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To study the symptoms of different diseases and identify them in field condition. Also to study the favourable environmental condition for disease development and ways to control them.
This course will help the students to identify diseases of crops in fields and recommend proper management practices for them.
Symptoms, etiology, disease cycle and management of major diseases of following crops:
Field Crops: Rice: blast, brown spot, bacterial blight, sheath blight, false smut, khaira and tungro;Maize: stalk rots, downy mildew, leaf spots; Sorghum: smuts, grain mold and anthracnose, Bajra :downy mildew and ergot; Groundnut: early and late leaf spots, wilt
Soybean: Rhizoctonia blight, bacterial spot, seed and seedling rot and mosaic; Pigeonpea: Phytophthora blight, wilt and sterility mosaic;Finger millet: Blast and leaf spot; black & green gram: Cercospora leaf spot and anthracnose, web blight and yellow mosaic; Castor: Phytophthora blight;Tobacco: black shank, black root rot and mosaic. Horticultural Crops: Guava: wilt and anthracnose;Banana: Panama wilt, bacterial wilt, Sigatoka and bunchy top;Papaya: foot rot, leaf curl and mosaic,Pomegranate: bacterial blight;Cruciferous vegetables: Alternaria leaf spot and black rot;Brinjal: Phomopsis blight and fruit rot and Sclerotinia blight;Tomato: damping off, wilt, early and late blight, buck eye rot and leaf curl and mosaic; Okra:Yellow Vein Mosaic; Beans: anthracnose and bacterial blight; Ginger: soft rot; Colocasia: Phytophthora blight; Coconut: wilt and bud rot;Tea: blister blight;Coffee: rust
Identification and histopathological studies of selected diseases of field and horticultural crops covered in theory. Field visit for the diagnosis of field problems. Collection and preservation of plant diseased specimens for Herbarium.
Singh, R.S.2005. Plant Diseases. Oxford & IBH Publications, New Delhi
Rangaswami, G & Mahadevan, K.2001. Diseases of crop plants in India, Prentice Hall of India Pvt. Ltd., New Delhi
Chaube, H.S and V.S. Pundhir,2012. Crop Diseases & Their Management. PHI Pvt. Ltd., New Delhi
Mehrotra, R.S. and Aggarwal, A. 2003. Plant Pathology. Mc Graw Hill Education India.