Diseases of black gram green gram, cowpea & soybean
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Diseases of black gram green gram, cowpea & soybean
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Diseases of black gram green gram, cowpea & soybean
- 1. U.T. of Puducherry Disease free seed production in Pulses Prof. Dr.C. Rettinassababady
- 2. MAHE KARAIKAL PONDICHERRY YANAM Union Territory of Puducherry Couroupita guianensisCannon Ball Tree
- 3. Introduction SEED - Most efficient Input in Agriculture Infected Seed (SB pathogens) Primary source of inoculum Excellent carrier for dissemination of phytopathogens Victim & vehicle – Extensive & complex SB pathogens Seeds are foundation to crop production whereas SEED HEALTH is related to food production
- 5. Irish famineIrish famine ((1845-471845-47)) Late blight of potato Phytophthora infestans Seed borne nature of Phytophthora
- 6. Dry root rot / Charcoal rotDry root rot / Charcoal rot Macrophomina phaseolinaMacrophomina phaseolina
- 7. Dry root rot / Charcoal rotDry root rot / Charcoal rot Macrophomina phaseolinaMacrophomina phaseolina
- 8. SEED HEALTH ● Seed borne pathogens ● Important component of seed quality
- 10. DISEASES OF BLACK GRAM & GREEN GRAM
- 11. Dry root rot / Charcoal rotDry root rot / Charcoal rot Macrophomina phaseolinaMacrophomina phaseolina
- 12. Dry root rot / Charcoal rotDry root rot / Charcoal rot Macrophomina phaseolinaMacrophomina phaseolina
- 13. Dry root rot / Charcoal rotDry root rot / Charcoal rot Macrophomina phaseolinaMacrophomina phaseolina
- 14. Powdery mildewPowdery mildew Erysiphe polygoniErysiphe polygoni
- 15. Erysiphe polygoniErysiphe polygoni Conidia and Conidiophore Chasmothecium withChasmothecium with asci and ascosporesasci and ascospores
- 17. RustRust Uromyces phaseoli - typicaUromyces phaseoli - typica
- 18. RustRust Uromyces phaseoli - typicaUromyces phaseoli - typica
- 19. Leaf spotLeaf spot Cercospora canescensCercospora canescens
- 20. Leaf spotLeaf spot Cercospora canescensCercospora canescens
- 21. Halo blightHalo blight Pseudomonas syringaePseudomonas syringae pv.pv. phaseolicolaphaseolicola
- 22. Yellow mosaicYellow mosaic Mungbean Yellow Mosaic Virus (MYMV)Mungbean Yellow Mosaic Virus (MYMV)
- 23. Yellow mosaicYellow mosaic Mungbean Yellow Mosaic Virus (MYMV)Mungbean Yellow Mosaic Virus (MYMV) Vector Bemisia tabaci (White fly)
- 24. Leaf crinkleLeaf crinkle Urdbean Leaf Crinkle Virus (ULCV)Urdbean Leaf Crinkle Virus (ULCV)
- 25. Leaf crinkleLeaf crinkle Urdbean Leaf Crinkle Virus (ULCV)Urdbean Leaf Crinkle Virus (ULCV) Vector Bemisia tabaci (White fly)
- 26. Leaf Curl / Tip necrosisLeaf Curl / Tip necrosis Tomato Spotted Wilt Virus (TSWV)Tomato Spotted Wilt Virus (TSWV) Vector (Thrips) Thrips tabaci, Frankliniella schultzei Scirtothrips dorsalis
- 28. Dry Root RotDry Root Rot Macrophomina phaseolinaMacrophomina phaseolina
- 29. Powdery mildewPowdery mildew Erysiphe polygoniErysiphe polygoni
- 30. RustRust Uromyces phaseoli - typicaUromyces phaseoli - typica
- 31. Leaf spotLeaf spot Cercospora cruentaCercospora cruenta
- 32. Aphid borne mosaicAphid borne mosaic Cowpea Aphid - borne Mosaic VirusCowpea Aphid - borne Mosaic Virus (CAMV)(CAMV)
- 33. Yellow MOSAICYellow MOSAIC Mungbean Yellow Mosaic VirusMungbean Yellow Mosaic Virus
- 36. SEVERE MOSAICSEVERE MOSAIC Cowpea Severe Mosaic VirusCowpea Severe Mosaic Virus
- 37. StrigaStriga infestation in Cowpeainfestation in Cowpea
- 38. DISEASES OF SOYABEANDISEASES OF SOYABEAN
- 39. Dry root rotDry root rot Macrophomina phaseolinaMacrophomina phaseolina
- 40. Sudden Death Syndrome (SDS)Sudden Death Syndrome (SDS) Fusarium virguliformeFusarium virguliforme
- 43. Severe necrosisSevere necrosis Defoliation at upper nodes
- 44. Bluish mold growth on roots ofBluish mold growth on roots of plants with SDSplants with SDS
- 47. Root and stem rotRoot and stem rot Phytophthora sojaePhytophthora sojae
- 48. Browning of the stem, progressing up from the soil line, is diagnostic for Phytophthora
- 51. Sporangium with zoosporesSporangium with zoospores
- 52. oosporesoospores
- 53. Southern Wilt –Southern Wilt –Sclerotium rolfsiiSclerotium rolfsii
- 54. POWDERY MILDEWPOWDERY MILDEW Erysiphe polygoniErysiphe polygoni
- 55. AnthracnoseAnthracnose Colletotrichum truncatum, C. glycinesColletotrichum truncatum, C. glycines
- 56. Anthracnose
- 59. Purple blotch / Purple speckPurple blotch / Purple speck Cercospora kikuchiiCercospora kikuchii
- 60. Purple blotch / Purple speckPurple blotch / Purple speck Cercospora kikuchiiCercospora kikuchii
- 61. Conidia and ConidiophoreConidia and Conidiophore
- 62. Downy mildewDowny mildew Peronospora manshuricaPeronospora manshurica
- 63. Sporangiophore and SporangiaSporangiophore and Sporangia
- 67. Frog eye leaf spotFrog eye leaf spot Cercospora sojanaCercospora sojana
- 68. Conidia and ConidiophoreConidia and Conidiophore
- 69. Septoria spotSeptoria spot Septoria glycinesSeptoria glycines
- 70. Soyabean mosaicSoyabean mosaic Soyabean Mosaic VirusSoyabean Mosaic Virus
- 71. Bud blightBud blight Tobacco Ring Spot VirusTobacco Ring Spot Virus
- 72. TRSVTRSV
- 73. Management strategies…… 1.Selection of disease free healthy seed materials 2. Seed certification 3. Plant Quarantine Seed Treatment Methods 1.Physical methods Hot water treatment (Aschochyta), Hot air treatment, Solar heat treatment etc. 2.Chemical seed treatment – Thiram, Mancozeb, Carbendazim, Carboxin etc. 3. Biological seed treatment – BCA Trichoderma viride , P. fluorescens 4. Biotechnological Genetic transfer of Phenolic genes/ cell wall
- 74. You may not see a positive effect every year. However, when the proper conditions occur for disease development, seed treatment will help your crop with improved emergence & stand establishment resulting in an increase in yield
- 76. Seed coating bySeed coating by TrichodermaTrichoderma
- 78. Trichoderma viride Talc product - for seed treatment of pulses, oil seeds, cotton & vegetables. Diseases controlled Root rot and wilt – pulses, oil seeds, cotton Damping off - vegetables Combined application (ST, SA & ST+SA) Rhizosphere population of T. viride pathogenic population of M.phseolina percentage of root rot disease