Transcript MAIZE - Upl Online.com
Tobacco
Damping off :Pythium aphanidermatum
Shank: Phytophthora parasitica
Host
• Tomato, tobacco
Distribution
• A&N, AP, Assam, Gujarat, Haryana,HP, Punjab,Kerala, T N,UP
Affected parts
• Whole plant, leaves, stems, roots, fruits/pods, and growing points
Affected stage
• Fruiting, seedling , vegetative growing, and post-harvest Whole plant: damping off. Leaves: necrotic areas; abnormal colours; abnormal forms; wilting; rot. Stems: discoloration of bark; canker on woody stem; gummosis or resinosis; mould growth on lesion; internal discoloration; wilt. Roots: soft rot of cortex; rot of wood; necrotic streaks or lesions. Fruits/pods: lesions: black or brown; abnormal shape; extensive mould; ooze. Growing points: rot.
Leaf spot:Cercospora nicotianae
Host • Tobacco.
Distribution
• Gujarat Karnataka Affected parts • Leaves.
Affected stage • Vegetative growing, and flowering Leaves: necrotic areas; yellowed or dead.
Powdery mildew: Erysiphe cichoracearum Host • Sunflower, endives, chicory, lettuce, Jerusalem artichoke.
Distribution • MaharashtraTamil Nadu U P Affected parts • Whole plant, leaves, stems, and growing points.
Affected stage • Vegetative growing, flowering, and fruiting Whole plant: plant dead; dieback. Leaves: necrotic areas; abnormal colours; fungal growth; yellowed or dead. Stems: discoloration of bark; distortion. Growing points: dead Heart; distortion; mycelium present.
Sore skin: Rhizoctonia solani
Host • Rice, potato, sugarbeet, leguminous plants, cruciferous crops, cucurbits, cereals, oil seed, Solanaceous vegetable .
Distribution • A N, A P, Assam Delhi Affected parts • Whole plant, leaves, stems, roots, inflorescence, fruits/pods, seeds, and growing points.
Affected stage • Flowering , fruiting, seedling, vegetative growing Whole plant: plant dead; dieback; damping off; dwarfing. Leaves: necrotic areas; abnormal colours; abnormal forms; wilting; fungal growth; webbing. Stems: discoloration of bark; canker on woody stem; stunting or rosetting; mould growth on lesion. Roots: necrotic streaks or lesions. Inflorescence: discoloration panicle. Fruits/pods: extensive mould. Seeds: rot; discolorations.
Anthracnose: Colletotrichum tabacum
Coffee
Coffee
Rust : Hemileia vastatrix
Host • Coffee .
Distribution • AN, Karnataka, T N Affected parts • Leaves, stems, and fruits/pods.
Affected stage • Flowering , fruiting, seedling, and vegetative growing Leaves: necrotic areas; abnormal colours; abnormal leaf fall; fungal growth. Stems: discoloration of bark. Fruits/ods: lesions: scab or pitting; lesions: on pods
Die back: Glomerella cingulata
Host • Mango, avocado, onion, Citrus, yam, orchids, Amaranths . Distribution • AP, Assam, Bihar: Delhi Gujarat Affected parts • Leaves, stems, fruits/pods, and inflorescence Affected stage • Flowering, fruiting, post-harvest, seedling, and vegetative growing Leaves: necrotic areas; abnormal colours; abnormal patterns. Stems: discoloration of bark; canker on woody stem; gummosis or resinosis; dieback. Fruits/pods: lesions: black or brown; lesions: scab or pitting; extensive mould; lesions: on pods. Inflorescence: blight; necrosis; lesions; flecking; streaks (not Poaceae).
Leaf spot : Mycosphaerella coffeicola
Pink disease :Botryobasidium salmonicolor Host • Rubber, tea, pigeon pea, Citrus, Eucalyptus, ornamentals Distribution • A & N , A P, Goa H P, Punjab and North East Region Affected parts • Leaves, and stems.
Affected stage • Flowering, fruiting, and vegetative growing Leaves: necrotic areas; abnormal colours; wilting. Stems: discoloration of bark; canker on woody stem; gummosis or resinosis; mould growth on lesion; mycelium present.
Tea
Blister blight:Exobasidium vexans
Host • tea Distribution • Assam Karnataka Kerala T N, W B Affected parts • Leaves, and stems.
Affected stage • Seedling stage, and vegetative growing stage.
Leaves: necrotic areas; abnormal colours; abnormal forms. Stems: discoloration of bark; dieback; distortion
Brown blight : Glomerella cingulata
Host • Mango, Avocado,Onion, Citrus, Orchids,Onions Distribution • A P, Assam, Bihar, Delhi, Gujarat, Haryana, H P, Punjab Affected parts • Leaves, stems, fruits/pods, and inflorescence Affected stage • Flowering, fruiting, seedling, and vegetative growing Leaves: necrotic areas; abnormal colours; abnormal patterns. Stems: discoloration of bark; canker on woody stem; gummosis or resinosis; dieback. Fruits/pods: lesions: black or brown; lesions: scab or pitting; extensive mould; lesions: on pods. Inflorescence: blight; necrosis; lesions; flecking; streaks (not Poaceae).
Leaf spot :Cercospora theae
Canker: Nectria cinnabarina
Sugarcane
Red rot: Colletotrichum falcatum
Host • Sugarcane Distribution • A P, Assam, Bihar, Haryana, Punjab J & K, Kerala, N, U P, WB Affected parts • Leaves, stems, and fruits/pods.
Affected stage • Flowering, post-harvest, seedling, and vegetative growing Leaves: necrotic areas; abnormal colours; abnormal patterns. Stems: discoloration of bark; canker on woody stem; gummosis or resinosis; dieback. Fruits/pods: lesions: black or brown; lesions: scab or pitting; extensive mould; lesions: on pods.
Smut: Ustilago scitaminea
Host • Sugarcane Distribution • widespread Affected parts • Stems, and inflorescence.
Affected stage • Vegetative growing stage.
Stems: witches broom. Inflorescence: black fungal spores
Set rot: Ceratocysitis paradoxa
Host • Sugarcane, Pineapple, Betel nut palm, Coconut, Coffee, Mango, Distribution • A & N , Assam, Punjab, Karnataka, Kerala Maharashtra, T N, U P Affected parts • Whole plant, leaves, stems, roots, fruits/pods, and seeds.
Affected stage • Pre-emergence, vegetative growing, flowering, fruiting Whole plant: dwarfing; unusual odour. Leaves: necrotic areas; abnormal colours; abnormal forms; yellowed or dead. Stems: dieback; internal discoloration. Roots: soft rot of cortex. Fruits/pods: lesions: black or brown; premature drop. Seeds: rot; discolorations
Downy mildew: Sclerospora sacchari Host • Sugarcane, Maize Distribution • Bihar, Delhi, U P Affected parts • Whole plant, leaves, stems, inflorescence, and growing points.
Affected stage • Flowering, fruiting, seedling, and vegetative growing Whole plant: dwarfing. Leaves: necrotic areas; abnormal colours; fungal growth; shredding. Stems: dieback; distortion; mycelium present.
Inflorescence: twisting and distortion.
Growing points: mycelium present.
Eye spot : Drechslera sacchari
Host • sugarcane Distribution • A P, Assam, KR, M P, Maharashtra Rajasthan T N, U P Affected parts • Whole plant, leaves, and stems.
Affected stage • Seedling , vegetative growing, and flowering Whole plant: plant dead; dieback; damping off; seedling blight; early senescence. Leaves: necrotic areas; abnormal colours; abnormal patterns; wilting; fungal growth; yellowed or dead. Stems: mould growth on lesion.
Brown spot: Cercospora longipes
Rust : Puccinia melanocephala
Host • sugarcane Distribution • A P, H P, Punjab, Karnataka , Maharashtra, T N, U P Affected parts • Leaves.
Affected stage • Seedling, and vegetative growing Leaves: fungal growth; yellowed or dead.
Cotton
Wilt: Fusarium oxysporum
Root rot: Rhizoctonia bataticola
Host • Chickpea, Bean, Mung, Common bean,Pea Affected parts • Whole plant, leaves, stems, roots, and seeds.
Affected stage • Flowering, fruiting, seedling, vegetative growing Whole plant: damping off; seedling blight. Leaves: necrotic areas; abnormal colours; abnormal leaf fall; wilting. Stems: discoloration of bark; canker on woody stem; dieback. Roots: rot of wood; necrotic streaks or lesions. Seeds: rot; lesions on seeds
Anthracnose: Colletotrichum capsici
Host • Pepper Distribution • A P, Assam, Bihar, Gujarat, Punjab, M P, Maharashtra Affected parts • Leaves.
Affected stage • Pre-emergence, seedling stage, vegetative growing stage, flowering stage, fruiting stage, and post harvest.
Leaves: necrotic areas; abnormal colours.
Ascochyta blight: Ascochyta gossypii Host • cotton Distribution • Jammu and Kashmir Affected parts • Whole plant, leaves, stems, & fruits/pods.
Affected stage • Flowering, fruiting, seedling and vegetative growing Whole plant: dwarfing. Leaves: necrotic areas; abnormal colours; abnormal leaf fall; wilting; fungal growth. Stems: discoloration of bark; canker on woody stem; dieback. Fruits/pods: lesions: black or brown.
Leaf spot: Cercospora gossypina
Powdery mildew: Leveillula taurica
Host • Pepper, Tomato Distribution • A P, Delhi, Gujarat, Haryana, H P, J&K Maharashtra, T N, UP Affected stage • Post-harvest.
Affected Part • Leaves, stems, and growing points Leaves: necrotic areas; abnormal colours; abnormal forms; abnormal leaf fall; wilting; fungal growth; yellowed or dead. Stems: mould growth on lesion; mycelium present. Growing points: mycelium present.
Boll rot: Nematospora nagpuri
Jute
Root and stem rot: Macrophomina phaseolina Host • Chickpea, Black gram, Common bean, Pea Affected parts • Whole plant, leaves, stems, roots, and seeds.
Affected stage • Flowering stage, fruiting stage, pre-emergence, seedling stage, vegetative growing stage, and post-harvest.
Whole plant: damping off; seedling blight. Leaves: necrotic areas; abnormal colours; abnormal leaf fall; wilting. Stems: discoloration of bark; canker on woody stem; dieback. Roots: rot of wood; necrotic streaks or lesions
Anthracnose: Colletotrichum corchorum
Stem gall: Physoderma corchori
Host • Maize Affected parts • Whole plant, leaves, stems, and inflorescence.
Affected stage • Seedling, vegetative growing, and flowering Whole plant: dwarfing. Leaves: abnormal colours; fungal growth. Stems: discoloration of bark; mould growth on lesion. Inflorescence: lesions on glumes.