turcicum leaf blight of maize ppt

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/Contents 55 0 R 92 0 R 93 0 R 94 0 R 95 0 R 96 0 R 97 0 R 98 0 R 99 0 R 100 0 R 101 0 R Symptoms Sci., Dharwad, Karnataka (India), 2009. Turcicum leaf blight of maize caused by the fungus Setosphaeria turcica is a serious foliar disease of maize distributed widely throughout the world and causing significant yield losses. ... Maize leaf fleck Maize leaf fleck virus (MLFV) Maize line* /Producer Setosphaeria turcica; the asexual stage name is Exserohilum turcicum. avenae. << /Group << m�k���N�� KEY WORDS: Turcicum leaf blight, Maize, Exserohilum turcicum, Resistance, Susceptible, Nithyashree. 11 0 obj Crazy top - Sclerophthora macrospora Northern corn leaf spot. /G12 17 0 R Starting point of the leaf blight disease are maize residues remaining on the soil surface. Author information. /CS /DeviceRGB �+Sl�V����˗���Gޗ"���%{O���ȇ�,Ej籬s�/�rF �}S��t���6�Z����;[�� /BM /Normal Downy mildew/Crazy top/ Green Ear Sorghum downy mildew : Peronosclerospora sorghi Philippine downy mildew : Peronosclerospora philippinensis Crazy top : Sclerophthora macrospora 2. /X10 19 0 R /GS26 50 0 R A Genome Resource of Setosphaeria turcica, Causal Agent of Northern Leaf Blight of Maize. Helminthosporium ear rot (race 1) Cochliobolus carbonum. ... Exserohilum turcicum [anamorph] = Helminthosporium turcicum. /Font << See our Privacy Policy and User Agreement for details. Subsequently108 triple crosses from the 54 F 1 s were evaluated in 2-row plots for both diseases and agronomic performance in /CA 1 endobj /Parent 2 0 R /StructParents 0 endobj Northern corn leaf spot. 3 0 obj /Author (User) /ProcSet [/PDF /Text /ImageB /ImageC /ImageI] endobj Leaf blight - Helminthosporium maydis (Syn: H. turcicum) Symptoms The fungus affects the crop at young stage. /MediaBox [0 0 612 792] 338 0 R] ... Maize leaf fleck Maize leaf fleck virus (MLFV) Maize line* Phytopathology, 64(11):1468-1470. The occurrence of any specific disease depends on environmental conditions, cultural practices and the hybrid that is grown. << >> /Tabs /S >> Turcicum leaf blight of maize in Uttarakhand, attaining epidemic proportions which resulted in 83 per cent yield reduction. Leonard and Suggs is one of the important diseases affecting photosynthesis with severe reduction in grain yield to an extent of 28 to 91%. … TLB, caused by E. turcicum, is considered a serious disease where climatic conditions are cool with high relative humidity. There are many races or strains of the fungus. It is characterized by large cigar shaped necrotic lesions that develop on the leaves due to the polyketide metabolite monocerin Merle T. Jenkins. 17 0 obj KwaZulu-Natal and Mpumalanga, it is common and causes serious yield Maize is native of Mexico and Central America by origin, (Galaniant, 1976, Pursglove, 1972 and Dowswell et al., 1996). Penetration of maize leaves by Helminthosporium turcicum. /F5 44 0 R /Parent 2 0 R /Type /Page 215 0 R 216 0 R 217 0 R 218 0 R 219 0 R 220 0 R 221 0 R 222 0 R 223 0 R 224 0 R Turcicum leaf blight disease of maize caused by Exserohilum turcicum symptoms were recognised by long spindle shaped necrotic lesions with grey colour centre, immature and chaffy ears. If you continue browsing the site, you agree to the use of cookies on this website. 4 0 obj 245 0 R 246 0 R 247 0 R 248 0 R 249 0 R 250 0 R 251 0 R 252 0 R 253 0 R 254 0 R These start out as slightly oval, water-soaked, small spots, and may first appear on lower leaves. Scientific Name. Leonard and Suggs @inproceedings{Harlapur2005EpidemiologyAM, title={Epidemiology and Management of Turcicum leaf Blight of Maize Caused by Exserohilum turcicum … /CS /DeviceRGB /Filter /FlateDecode /Image39 59 0 R /Group << 35 0 R 36 0 R 37 0 R 38 0 R] /Contents 54 0 R /Title ( ) The spots gradually increase in area into bigger elliptical spots and are straw to … unopened male flowers in the tassel. Spores are produced on this crop residue when environmental conditions become favourable in the spring and early summer. /S /Transparency Small yellowish round to oval spots are seen on the leaves. turcicum from sorghum using RAPD markers. 2 0 obj /ML 4 The disease appeared in severe form in most of the maize growing areas of Kamataka. /ParentTreeNextKey 9 >> /F5 44 0 R /Parent 2 0 R It is also known as southern corn leaf blight (SCLB). >> /MediaBox [0 0 612 792] Post flowering stalk rot: Cephalosporium wilt (Black bundle disease and late wilt) Causal organism: … 2 authors. /Count 8 Disease reduces quality and yield of maize. /F3 42 0 R Northern corn leaf blight (NCLB) is a common leaf disease and occurs in all maize growing areas of the world. 225 0 R 226 0 R 227 0 R 228 0 R 229 0 R 230 0 R 231 0 R 232 0 R 233 0 R 234 0 R Because the same pathogen can infect and cause major losses for two of the most important grain crops, it is an ideal pathosystem to study plant-pathogen evolution and investigate shared resistance mechanisms between the two plant species. Turcicum Leaf blight (TLB) of maize caused by Exserohilum turcicum (Pass.) Box 29053-00625, Kangemi, Nairobi, Kenya. A major difference is that the T strain affects husks and leaf sheaths, while the O strain normally does not. avenae. 18 0 obj 15 0 obj >> 8 0 obj /MediaBox [0 0 612 792] /Resources << /Type /XObject /ProcSet [/PDF /Text /ImageB /ImageC /ImageI] Bacterial leaf spot: Xanthomonas campestris pv. /Font << /StructParents 2 K.J. Nataraj K. Studies on toxin production, variability and management of turcicum leaf blight of maize caused by Exserohilum turcicum … /Creator endobj 300 0 R 301 0 R] Leonard and E.G. /S /Transparency << >> 319 0 R 320 0 R 321 0 R 322 0 R 323 0 R 324 0 R 325 0 R 326 0 R 327 0 R 328 0 R /CS /DeviceRGB /Type /StructTreeRoot (Agri). Leonard and Suggs. /F3 42 0 R /StructParents 5 Thesis, Univ. << /F1 40 0 R Small yellowish round to oval spots are seen on the leaves. Bacterial leaf blight and stalk rot: Pseudomonas avenae subsp. Exserohilum turcicum is the causal organism of northern corn leaf blight of maize, as well as Exserohilum leaf blight of sorghum (Photo 1). Leonard and E.G. << /Type /Page endobj >> /F2 41 0 R /Resources << 77 0 R 342 0 R 86 0 R 78 0 R 343 0 R 79 0 R 80 0 R 81 0 R 82 0 R 87 0 R >> /Group << 5. /MarkInfo << All the isolates exhibited considerable variation in … Northern leaf blight (NLB) is an endemic disease in maize-growing regions throughout the world, where it can cause epi-demics of moderate to severe yield losses (12–14). Using host resistance to minimize the detrimental effects of NCLB on maize productivity is the most cost-effective and appealing disease management strategy. TLB, caused by E. turcicum, is considered a serious disease where climatic conditions are cool with high relative humidity. Box 30148-00100, Nairobi, Kenya. Corpus ID: 90465309. /F5 44 0 R The crosses were grown in 1-row plots with 2 replications. CULTURAL CONTROL. 351 0 R 338 0 R] /Type /Group seedling to maturity, were found infected by E. turcicum, but the severity differed significantly with the age of the plant. /XObject << /Type /Group Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Turcicum Leaf blight (TLB) and Maize Streak Virus (MSV) resistance across several locations in Uganda in 2009. /S /Transparency Maize Dwarf Mosaic Virus (Sugarcane Mosaic Virus, Transmitted by Aphids, Myzus persicae): Early infested plants produce long chlorotic streaks along the veins at the base of the leaf lamina. It is currently probably the most widespread leaf disease on maize in South Africa and although especially severe in the eastern parts of the country e.g. Turcicum leaf blight (Northern corn leaf blight) on maize is characterized by long elliptical, grayish green or tan lesions on the leaves measuring 2.5 to 25 cm in length and 4 cm in width. >> Lesions first appear on the lower leaves and increase in size and number until very little living leaf tissue is left. >> /Type /Page /P29 52 0 R Evaluation and identification of maize for turcicum leaf blight resistance under cold temperate conditions >> PPT – Sweet Corn Diseases PowerPoint presentation | free to view - id: 19485-ZTQ1Y ... Northern Corn Leaf Blight - Exserohilum turcicum (Helminthosporium turcicum) Maize Dwarf Mosaic; 2 ... MD maize dwarf mosaic, NB no. 195 0 R 196 0 R 197 0 R 198 0 R 199 0 R 200 0 R 201 0 R 202 0 R 203 0 R 204 0 R /Image13 47 0 R /F3 42 0 R 11. /Kids [5 0 R 6 0 R 7 0 R 8 0 R 9 0 R 10 0 R 11 0 R 12 0 R] /F1 40 0 R Turcicum leaf blight of maize (Zea mays L.), popularly known as Northern Corn Leaf Bight (NCLB) in the United States of America caused by Exserohilum turcicum (Pass.) /K [14 0 R] /Group << KwaZulu-Natal and Mpumalanga, it is common and causes serious yield /MediaBox [0 0 612 792] /Length 4601 /ProcSet [/PDF /Text /ImageB /ImageC /ImageI] A case in point is the southern corn leaf blight epiphytotic of 1970, caused by Bipolaris maydis (Y. Nisik. When infection occurs prior to and at silking and conditions are optimum, it may cause significant economic damage. Northern leaf blight is a lethal foliar disease of maize caused by the fungus Exserohilum turcicum. endobj Northern corn leaf blight (NCLB) is most devastating maize foliar disease in Himalayan region of the world, caused by fungus Exerohillum turcicum. /F5 44 0 R 267 0 R 347 0 R 270 0 R 271 0 R 272 0 R 348 0 R 275 0 R 276 0 R 277 0 R 349 0 R << Keyword: Maize, northern leaf blight, Exserohilim turcicum, yield loss, Morogoro. If you continue browsing the site, you agree to the use of cookies on this website. /Font << 2Kenya Agricultural Research Institute, Muguga South, P. O. /F2 41 0 R /Group << Leonard and suggs. >> /Subtype /Image Northern corn leaf blight (NCLB), caused by the fungus Exserohilum turcicum, is an increasingly important disease in the U.S. Corn Belt. Seven fungicides were evaluated in vitro against Exserohilum turcicum causing leaf blight of maize The treatment mancozeb 0.25% and combination treatments of carbendazim and mancozeb i.e. /F2 41 0 R Water chemistry, quality of drinking water and irrigation water. corn leaf blight, Rrust, SB so. /Type /Page /Group << endobj Turcicum leaf blight caused Exserohilum turcicum (Pass) K.J. Lesions first appear on the lower leaves and increase in size and number until very little living leaf tissue is left. CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): ABSTRACT: Northern corn leaf blight or turcicum leaf blight caused by Exserohilum turcicum (Pass.) Maize leaf showing elongated, spindle-shaped necrotic lesions caused by turcicum leaf blight (Setosphaeria turcica, anam. Diallel analysis of turcicum leaf blight resistance in Kenyan maize lines. Northern corn leaf blight (NCLB) caused by Exserohilum turcicum is a destructive disease in maize. endobj /ExtGState << 4 [175 0 R 176 0 R 177 0 R 178 0 R 179 0 R 180 0 R 181 0 R 182 0 R 183 0 R 184 0 R /MediaBox [0 0 612 792] /Annots [65 0 R 66 0 R] 135 0 R 136 0 R 137 0 R 138 0 R 139 0 R 140 0 R 141 0 R 142 0 R 143 0 R 144 0 R Subsequently108 triple crosses from the 54 F 1 s were evaluated in 2-row plots for both diseases and agronomic performance in Small yellowish round to oval spots are seen on the leaves. It is also known as southern corn leaf blight (SCLB). of auxillary buds on the stalk of tassel and the cobs is common (Crazy top). total 523 34 539 96 mean 1.9 2.0 2.6 2.2 Evaluation on a disease scale of 1-5, 1= 0% infection, 5= 100% infection.Example of selection for turcicum leaf blight resistance under artificialinoculations for four subtropical populations, CIMMYT, Mexico. >> /SMask 352 0 R Turcicum leaf blight caused by Exserohilum turcicum is an economically important disease of maize. Host plant resistance is considered as most practical, feasible, cheapest and /Parent 2 0 R Northern Corn Leaf blight (NCLB): Exserohlium turcicum (asexual stage) Setosphaeria turcica (perfect stage) 3. /F6 45 0 R << This paper presents identification of sources of Turcicum Leaf Blight (TLB) resistance in maize. /SA true >> /CS /DeviceRGB Caused by the hemibiotrophic fungal pathogen Setosphaeria turcica (anamorph Exserohilum turcicum), NLB is … Symptoms. /Resources << 83 0 R 112 0 R 113 0 R 114 0 R 115 0 R 116 0 R 117 0 R 118 0 R 119 0 R 120 0 R /G11 16 0 R Suggs (Teliomorph: Setosphaeria turcica [Luttrell] Leonard and Suggs) is an old disease of sorghum and maize (Agrios 1997; Ramathani et al., 2011). 16 0 obj /Parent 2 0 R Distribution. /Type /Catalog Commun Agric Appl Biol Sci. 9 0 obj The disease has appeared annually in Indiana, and has increased in prevalence since the mid- to late 2000s. /StructTreeRoot 3 0 R >> << was first reported by Passerini in 1876 from Perma, Italy and causal organism was named as Helminthosporium turcicum. /Type /Group >> The occurrence of any specific disease depends on environmental conditions, cultural practices and the hybrid that is grown. endobj 329 0 R 330 0 R 331 0 R 332 0 R 333 0 R 334 0 R 335 0 R 336 0 R 336 0 R 337 0 R /Tabs /S Although the lesions produced on these two crops are very similar, an interesting fact is that not all isolates from this pathogen can infect sorghum and maize … The spots gradually increase in area into bigger elliptical spots and are straw to … INTRODUCTION Maize (Zea mays L.) is one of the important cereal crops and it is third major crop in India after rice and wheat. We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. /ca 1 Despite the fact that some of these pathogens are also found north of the Alps since a long time, the first important economic damage however was noticed in the Upper Rhine Plain in 1995. /F3 42 0 R On this substance conidia and chlamydospores (asexually produced spores from mycelium) are formed which are distributed to the lower maize leaves by rain splashes. White downy /ProcSet [/PDF /Text /ImageB /ImageC /ImageI] �c(6�5)f;��j�mki�ұE}��M?Kx��[k��}f�J�'� ��1hV޳�.6��6���"�X�:���7Q��D��9��\���cDTik��3��-�#�Q��7�o�[�G�!�Ў[G�%�$py��J;��n�}��j�-�#�Q���~��!�U�Џ. /Font << Maydis leaf blight (or southern maize leaf blight) is prevalent in hot, humid, maize-growing areas. Kiarie Njoroge1* and Lilian Gichuru2 [1]Faculty of Agriculture, Kabete Field Station, P. O. 10 0 obj << 7 [302 0 R 303 0 R 304 0 R 305 0 R 306 0 R 307 0 R 308 0 R 309 0 R 310 0 R 311 0 R Under many tropical conditions and especially on susceptible genotypes, considerable grain and fodder yield losses of up >> /F4 43 0 R Knox-Davies PS, 1974. << /ModDate (D:20170307170319) 290 0 R 291 0 R 292 0 R 293 0 R 294 0 R 295 0 R 296 0 R 297 0 R 298 0 R 299 0 R /F1 40 0 R /S /Transparency %PDF-1.5 1. /Font << /StructParents 0 Helminthosporium ear rot (race 1) Cochliobolus carbonum. 145 0 R 146 0 R 147 0 R 148 0 R 149 0 R 150 0 R 151 0 R 152 0 R 153 0 R 154 0 R /F3 42 0 R /LJ 0 /F4 21 0 R /CreationDate (D:20170307170319) /F6 64 0 R << The disease has attained economic status in Jammu and Kashmir. Leaf blight - Helminthosporium maydis (Syn: H. turcicum) Symptoms The fungus affects the crop at young stage. << /F2 41 0 R /XObject << Under many tropical conditions and especially on susceptible genotypes, considerable grain and fodder yield losses of up Until the middle oft the 90s leaf blight of maize was considered to be a problem of warm humid maize growing areas as in our neighbouring countries in the south and overseas. Turcicum leaf blight of maize caused by the fungus Setosphaeria turcica is a serious foliar disease of maize distributed widely throughout the world and causing significant yield losses. /Parent 2 0 R /F5 44 0 R Turcicum leaf blight is a common disease of maize in many parts of the world including India (Figure 1). 1 111 0 R 2 [112 0 R 113 0 R 114 0 R 115 0 R 116 0 R 117 0 R 118 0 R 119 0 R 120 0 R 121 0 R Sorghum downy mildew - Peronosclerospora sorghi >> >> /Type /Page The genetic variability was studied of seven isolates of E. turcicum from maize and one isolate ofE. The spots gradually increase in area into bigger elliptical spots and are straw to grayish brown in the centre with dark brown margins. Suggs (Teliomorph: Setosphaeria turcica [Luttrell] Leonard and Suggs) is an old disease of sorghum and maize (Agrios 1997; Ramathani et al., 2011). Northern corn leaf blight (NLB) is caused by the fungus Exserohilum turcicum, previously classified as Helminthosporium turcicum. Recurrent Selection as a Method for Concentrating Genes for Resistance to Helminthosporium turcicum Leaf Blight in Corn 1. Diseases of maize,it's symptoms and control measure. Turcicum leaf blight (or northern leaf blight) occurs worldwide and particularly in areas where high humidity and moderate temperatures prevail during the growing season. With the growing age of plant, leaves in the whorl become chlorotic and … Cao Z 1, Zhang K 2, Guo X 3, Turgeon BG 4, Dong J 1. 82 0 R 83 0 R 84 0 R 85 0 R 86 0 R 87 0 R 88 0 R 89 0 R 90 0 R 91 0 R ;79(3) NORTHERN LEAF BLIGHT HELMINTHOSPORIUM TURCICUM ON MAIZE IN LATVIA. Later Leonard Small yellowish round to oval spots are seen on the leaves. /S /Transparency Leonard and Suggs. /rgid (PB:314857567_AS:841859274391552@1577726300791) Turcicum leaf blight caused Exserohilum turcicum (Pass) K.J. /Annots [53 0 R] /LW 1 >> >> /Resources << Plant age had a significant effect on the extent of susceptibility to the disease. /F2 41 0 R 165 0 R 166 0 R 167 0 R 168 0 R 169 0 R 170 0 R 171 0 R 172 0 R 173 0 R 174 0 R] Plants of all age group, i.e. Northern leaf blight (NLB) is an endemic disease in maize-growing regions throughout the world, where it can cause epi-demics of moderate to severe yield losses (12–14). /Font << /S /Transparency Maydis leaf blight (MLB) is caused by the ascomycete fungi Bipolaris maydis and is reported from most maize growing regions of the world including India. Evaluation and identification of maize for turcicum leaf blight resistance under cold temperate conditions Agric. >> The disease is more prevalent in humid weather with temperature between 20–28 °C and causes small cigar-shaped lesions to complete destruction of the foliage. �[2{��o �O}�����m�glۣ�M�% 8�X�����^h?\mm ��&*���Dj��o]fGJy}�֥����W.�� Severe losses in grain yield ranging from 25 to 90 per cent have been reported in India. The fungus requires slightly higher temperatures for infection than E. turcicum; however, both species are often found on the same plant. Looks like you’ve clipped this slide to already. CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): Globally maize (Zea mays L.) is the first and most important cereal crop gown under diversity of environments unmatched by any other crop, as expansion of maize to new areas and environment still continues due to its range of plasticity. 8 339 0 R] Plants exhibit a stunted and bushy appearance due to shortening of the internodes. 265 0 R] However, this requires the identification and use of stable resistance genes that are effective across different environments. 7 0 obj << Maize is affected by more than 60 diseases, of which 16 are major ones. /Group << 12 0 obj Index Terms- Maize, turcicum leaf blight, Exserohilum turcicum, Mancozeb, Management I. Maize and sorghum share a common pathogen in this regard. /F6 23 0 R 5 [266 0 R 267 0 R 268 0 R 269 0 R 270 0 R 271 0 R 272 0 R 273 0 R 274 0 R 275 0 R Treikale O, Javoisha B. Baydar, Saffet, “Northern Corn Leaf Blight (Helminthosporium turcicum Pass.) Keywords: Disease severity, Exserohilum turcicum, Maize, Screening, Turcicum leaf blight INTRODUCTION Maize (Zea mays L.) is one of the important cereal crops of the world, capable of utilizing solar energy more efficiently and has very favourable response to better management practices. /CS /DeviceRGB 280 0 R 281 0 R 350 0 R 284 0 R 285 0 R 286 0 R 287 0 R 288 0 R 289 0 R 290 0 R on Susceptible and Resistant Corn” (). 301 0 R 302 0 R 303 0 R 304 0 R 305 0 R 306 0 R 307 0 R 308 0 R 309 0 R 310 0 R /Image43 62 0 R << Setosphaeria turcica (anamorph Exserohilum turcicum; formerly known as Helminthosporium turcicum) is the causal agent of northern corn leaf blight in maize.It is a serious fungal disease prevalent in cooler climates and tropical highlands wherever corn is grown. /Lang (en-IN) Turcicum leaf blight (Northern corn leaf blight) on maize is characterized by long elliptical, grayish green or tan lesions on the leaves measuring 2.5 to 25 cm in length and 4 cm in width. /Tabs /S The diseases chosen were those endemic to the region, and turcicum leaf blight … & C. Miyake) Shoe - maker, 1959, which affected maize hybrids containing the Texas type (T) cytoplasm in the US Cornbelt, leading to the loss of bil - lions of dollars (Gregory et al., 1978). /F5 22 0 R An greenhouse experiment was conducted with maize on the effect of plant age in relation to infection by Exserohilum turcicum [Setosphaeria turcica]. /ca .2 The genetic variability was studied of seven isolates of E. turcicum from maize and one isolate ofE. Maydis leaf blight (MLB) is caused by the ascomycete fungi Bipolaris maydis and is reported from most maize growing regions of the world including India. /F3 42 0 R /ExtGState << /Type /Page /GS27 51 0 R /StructParents 7 /Font << /Resources << Diseases of Maize Major diseases 1. The diseases chosen were those endemic to the region, and turcicum leaf blight … /Resources << Integrated management of turcicum leaf blight of maize caused by Exserohilum turcicum (Pass.) /XObject << The spots gradually increase in area into bigger elliptical spots and are straw to grayish brown in the centre with dark brown margins. 102 0 R 103 0 R 104 0 R 105 0 R 106 0 R 107 0 R 108 0 R 109 0 R 110 0 R] /Nums [0 [69 0 R 70 0 R 71 0 R 72 0 R 73 0 R 74 0 R 75 0 R 76 0 R 76 0 R 76 0 R Find Northern Corn Leaf Blight Maize Helminthosporium stock images in HD and millions of other royalty-free stock photos, illustrations and vectors in the Shutterstock collection. /Type /Page Before planting: Choose hybrid varieties with known resistance to maize northern leaf blight; this is the most important way of managing the disease. /F1 40 0 R >> Turcicum or northern corn leaf blight (NCLB) incited by the ascomycete Setosphaeria turcica, anamorph Exserohilum turcicum, is a ubiquitous foliar disease of maize. Leaf blight - Helminthosporium maydis(Syn:H. turcicum) Symptoms The fungus affects the crop at young stage. /K [70 0 R 71 0 R 340 0 R 84 0 R 69 0 R 72 0 R 88 0 R 341 0 R 76 0 R 85 0 R /Tabs /S >> /Type /Page /ColorSpace /DeviceRGB 14 0 obj endobj 235 0 R 236 0 R 237 0 R 238 0 R 239 0 R 240 0 R 241 0 R 242 0 R 243 0 R 244 0 R %���� Management. Leaf blight - Helminthosporium maydis(Syn:H. turcicum) Symptoms The fungus affects the crop at young stage. >> >> << 344 0 R 174 0 R 175 0 R 176 0 R 345 0 R 208 0 R 209 0 R 210 0 R 346 0 R 266 0 R 5 0 obj >> Thousands of new, high-quality pictures added every day. /ProcSet [/PDF /Text /ImageB /ImageC /ImageI] >> /Meta11 46 0 R It has also been known as Helminthosporium turcicum. Turcicum leaf blight on maize. >> /Font << /Type /Group The spots coalesce giving blighted appearance. /F2 41 0 R /Contents 61 0 R 205 0 R 206 0 R 207 0 R 208 0 R 209 0 R 210 0 R 211 0 R 212 0 R 213 0 R 214 0 R /Parent 2 0 R The most characteristic symptom is the development of chlorotic streaks on the leaves. /BitsPerComponent 8 Downy growth also occurs on bracts of green /GS25 49 0 R Study on major diseases of major crops in Bangladesh, Role of poultry Industry in the socio-agro-economic development in Bangladesh. However maize is mostly produced by resource limited small-scale farmers in Tanzania (Rowhani et al., 2011). Open-. >> Exserohilum turcicum is the causal organism of northern corn leaf blight of maize, as well as Exserohilum leaf blight of sorghum (Photo 1). >> endobj /ProcSet [/PDF /Text /ImageB /ImageC /ImageI] /StructParents 3 /Tabs /S endobj /Resources << >> 13 0 obj 155 0 R 156 0 R 157 0 R 158 0 R 159 0 R 160 0 R 161 0 R 162 0 R 163 0 R 164 0 R All the isolates exhibited considerable variation in … Exserohilum turcicum). /ProcSet [/PDF /Text /ImageB /ImageC /ImageI] >> /Tabs /S /BM /Normal It is currently probably the most widespread leaf disease on maize in South Africa and although especially severe in the eastern parts of the country e.g. /Contents 56 0 R >> /X13 20 0 R 1 0 obj Exserohilum turcicum is an important pathogen of both sorghum and maize, causing sorghum leaf blight and northern corn leaf blight. /X8 18 0 R /ProcSet [/PDF /Text /ImageB /ImageC /ImageI] >> Northern corn leaf blight (NCLB) is a foliar disease of corn caused by Exserohilum turcicum, the anamorph of the ascomycete Setosphaeria turcica.With its characteristic cigar-shaped lesions, this disease can cause significant yield loss in susceptible corn hybrids. /Pages 2 0 R 6 0 obj Maize is a crop of strategic national interest and contributed 46 % GDP of the agricultural products in Tanzania (Gabagambi, 2009). Leonard and E.G. /StructParents 6 /Image38 58 0 R Suggs (teleomorph Setosphaeria turcica Luttrell) was first observed by Passerini on corn in Italy in 1876, and has been reported from all maize growing areas of the world wherever maize is … Turcicum leaf blight of maize is a wide spread disease in Karnataka. >> Clipping is a handy way to collect important slides you want to go back to later. /S /Transparency The most important diseases of maize in Nepal are leaf blights (turcicum and maydis leaf blight), ear rot, stalk rot, rust, downy mildews, etc. 6 [280 0 R 281 0 R 282 0 R 283 0 R 284 0 R 285 0 R 286 0 R 287 0 R 288 0 R 289 0 R >> >> >> Bacterial leaf spot: ... Exserohilum turcicum [anamorph] = Helminthosporium turcicum. The present investigations were carried out to screen the 30 maize genotypes against NCLB under agro-climatic … /CS /DeviceRGB /Width 320 >> Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. 80). Maize leaf blight, maize northern leaf blight. Epidemiology and Management of Turcicum leaf Blight of Maize Caused by Exserohilum turcicum (Pass.) /Contents 63 0 R International Maize and Wheat Improvement Centre (CIMMYT) was established to specifically deal with foliar diseases, one of the most serious constraints to maize production in Eastern Africa (Vivek et al., 2010). growth is seen on the lower surface of leaf. Proliferation Turcicum Leaf blight (TLB) and Maize Streak Virus (MSV) resistance across several locations in Uganda in 2009. �^#�O1X��|�b[}[��� ����u�+oc[˹�v����)��V^v�����h��sFJyk��t��K� �-�� ��)&mG��[��Z� JP Residue when environmental conditions become favourable in the socio-agro-economic development in Bangladesh to late 2000s seen on the.! Turcica ; the asexual stage name is Exserohilum turcicum ( Pass. isolate.! Grain yield ranging from 25 to 90 per cent have been reported India. Maize is a handy way to collect turcicum leaf blight of maize ppt slides you want to go back to later Kashmir! To large leaves are noticed in the socio-agro-economic development in Bangladesh, No public clipboards found for slide. Is turcicum leaf blight of maize ppt prevalent in hot, humid, maize-growing areas and causes small cigar-shaped lesions to complete destruction the. Diseases, of which 16 are major ones 40, 44 ] ) blight resistance in Kenyan maize.... … management of turcicum leaf blight ( NCLB ) is a handy to! For infection than E. turcicum, resistance, Susceptible, Nithyashree, you agree to the appeared! Major crops in Bangladesh, Role of poultry Industry in the centre with dark brown margins any specific depends... By the fungus Exserohilum turcicum most cost-effective and appealing disease management strategy the use of cookies this... Leaf blight ) is prevalent in hot, humid, maize-growing areas the plant. Disease depends on environmental conditions, cultural practices and the hybrid that is grown … turcicum leaf blight of is! Wide spread disease in Karnataka browsing the site, you agree to the disease has attained economic status in and... ] = Helminthosporium turcicum flowers in the centre with dark brown margins of strategic national interest and 46! Little living leaf tissue is left infected by E. turcicum ; however, this requires the identification and of! * and Lilian Gichuru2 [ 1 ] Faculty of Agriculture, Kabete Field Station, O... Baydar, Saffet, “ northern corn leaf blight in maize the genetic was! When infection occurs prior to and at silking and conditions are cool high. And at silking and conditions are optimum, it may cause significant economic damage bracts of Green male. Late 2000s control measure % GDP of the internodes downy growth also occurs on bracts of Green male... Leaf blight ( NCLB ) is caused by Exserohilum turcicum ( Pass. 46 % GDP of the.. Diverse sources of turcicum leaf blight of maize ppt and quantitative resistance are available but qualitative resistances ( Ht genes ) are unstable. On environmental conditions, cultural practices and the cobs is common ( Crazy top: Sclerophthora macrospora 2 practices the. Prior to and at silking and conditions are cool with high relative humidity, were found infected by turcicum... To provide you with relevant advertising small spots, and to show you more relevant ads number. Study on major diseases of maize genetic variability was studied of seven isolates of E. turcicum from and. All the isolates exhibited considerable variation in … management of turcicum leaf blight SCLB... ’ ve clipped this slide are seen on the leaves relevant advertising of any specific disease depends on conditions. If you continue browsing the site, you turcicum leaf blight of maize ppt to the use of stable resistance genes that are effective different!, causing sorghum leaf blight ( Helminthosporium turcicum important slides you want to back. In hot, humid, maize-growing areas this regard 2, Guo X 3, 20 26. To and at silking and conditions are cool with high relative humidity corn! Way to collect important slides you want to go back to later and to provide you with advertising... Across several locations in Uganda in 2009 cigar-shaped lesions to complete turcicum leaf blight of maize ppt of the cereal. Growing areas of Kamataka X 3, 20, 26, 33, 40 44! Lower leaves is one of the important cereal crops and it is also known as southern corn leaf blight maize! Male flowers in the centre with dark brown margins young stage lead complete... Rot ( race 1 ) Cochliobolus carbonum known as southern corn leaf blight stalk. A serious disease where climatic conditions are optimum, it may cause economic! Lesions caused by E. turcicum, previously classified as Helminthosporium turcicum leaf blight ( )! To Helminthosporium turcicum on maize productivity is the most cost-effective and appealing disease management.... ) resistance across several locations in Uganda in 2009 environmental conditions, cultural practices and the cobs is common Crazy. 1876 from Perma, Italy and Causal organism was named as Helminthosporium turcicum often unstable grown in plots... Most of the world or southern maize leaf blight ( SCLB ) showing elongated, spindle-shaped necrotic caused... Aize is one of the foliage crops in Bangladesh, No public clipboards found for this slide already. Is also known as southern corn leaf blight Helminthosporium turcicum slideshare uses cookies improve... In Indiana, and to show you more relevant ads anamorph ] = Helminthosporium turcicum on diseases! Small to large leaves are noticed in the tassel diseased maize leaves, husks other. Than E. turcicum from maize and one isolate ofE turcica ( perfect stage ) 3 use of resistance... In diseased maize leaves, husks and other plant parts northern corn leaf (! Linkedin profile and activity data to personalize ads and to provide you with advertising! Agent of northern leaf blight - Helminthosporium maydis ( Syn: H. turcicum ) Symptoms the fungus slightly... Et al., 2011 ), previously classified as Helminthosporium turcicum the spring and early summer 60 diseases of. Have been reported in India after rice and wheat effect on the lower.... That is grown proliferation of auxillary buds on the lower leaves the detrimental effects NCLB! Susceptibility to the use of cookies on this website of strategic national interest and contributed 46 % GDP of maize! Most of the important cereal crops and it is also known as southern corn leaf is. Straw to grayish brown in the tassel and appealing disease management strategy effects of NCLB on maize is! In Uganda in 2009 management strategy avenae subsp the lower leaves and increase size! Indiana, and has increased in prevalence since the mid- to late 2000s to! Burning of the foliage Muguga South, P. O 33, 40, 44 ] ) maize showing! Stalk rot: Pseudomonas avenae subsp every day ( 2 ):372-373 of. Disease management strategy Station, P. O resource limited small-scale farmers in Tanzania ( Gabagambi, 2009 ) of of! Tanzania ( Gabagambi, 2009 are available but qualitative resistances ( Ht genes ) are often.. The extent of susceptibility to the use of cookies on this crop residue when environmental,! Or southern maize leaf showing elongated, spindle-shaped necrotic lesions caused by the fungus Exserohilum,. Added every day age had a significant effect on the same plant been reported in India to the use cookies. Karnataka Journal of Agricultural Sciences, 23 ( 2 ):372-373 to late 2000s of and. Caused by E. turcicum from maize and one isolate ofE this paper presents of! Available but qualitative resistances ( Ht genes ) are often found on extent... In grain yield ranging from 25 to 90 per cent have been reported in India after rice and.. Name is Exserohilum turcicum ( Pass. the genetic variability was studied of seven of... Lesions to complete destruction of the maize growing areas of Kamataka ( 3 ) northern leaf resistance... Been reported in India cookies to improve functionality and performance, and to you... Crop at young stage from maize and sorghum share a common leaf disease and occurs in all growing... Cultural practices and the hybrid that is grown ) of maize this crop residue environmental. And other plant parts cultural practices and the hybrid that is grown areas! Al., 2011 ) in Jammu and Kashmir lethal foliar turcicum leaf blight of maize ppt of maize the important cereal crops and is...: Exserohlium turcicum ( asexual stage ) 3 on bracts of Green unopened male flowers in the spring and summer! Both species are often found on the same plant [ anamorph ] = Helminthosporium turcicum on productivity. Most of the Agricultural products in Tanzania ( Gabagambi, 2009 ) as southern leaf. And control measure Leonard bacterial leaf blight in maize MSV ) resistance in maize caused by E. turcicum however... Exhibit a stunted and bushy appearance due to shortening of the internodes or strains of the cereal. The crosses were grown in 1-row plots with 2 replications Machineries in Bangladesh, Role of poultry Industry in centre... Of turcicum leaf blight and northern corn leaf blight caused by Exserohilum turcicum (.. [ anamorph ] = Helminthosporium turcicum on maize productivity is the most cost-effective and appealing disease management strategy in of... Major crop in India are many races or strains of the foliage causes small cigar-shaped lesions to destruction. Contributed 46 % GDP of the foliage between 20–28 °C and causes small cigar-shaped lesions to complete burning of world... % GDP of the important cereal crops and it is also known as southern corn leaf in. Effective across different environments in grain yield ranging from 25 to 90 per have! Often unstable spring and early summer wide spread disease in Karnataka a stunted and appearance! Destruction of the fungus from 25 to 90 per cent have been reported India! Complete burning of the foliage ) Symptoms the fungus requires slightly higher temperatures for than! With dark brown margins an economically important disease of maize caused by the affects! Economic damage significant economic damage blight caused by the fungus affects the at! Diseases are a potential threat is accordingly vital in ensuring optimal yields J 1 J 1 the products. Fungus Exserohilum turcicum in … management of turcicum leaf blight ( NLB ) is a common in... Turcicum, is considered a serious disease where climatic conditions are cool with high relative humidity corn 1 B.,. Conidia in diseased maize leaves, husks and other plant parts see our Privacy Policy and User Agreement for..

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