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  Faculty of Agriculture
 
DEPARTMENT OF PLANT PATHALOGY
 
Head of the Department Dr. Jitendra Singh
 
Research achievements


The research activities in the department are being carried out through various units viz., bacteriology, plant virology, plant pathology, mycology, seed pathology and nematology for finding out better and more effective eco-friendly management strategies against the disease of agricultural crops caused by plant pathogens.

 
A. Genetic stock of various crops is regularly screened out under natural as well as artificial condition of infection with an object to provide resistant donor for resistant breeding programme against disease and to assess the performance of released varieties. The department has provided resistant donor for developing following resistant moderately resistant varieties like in chickpea vars. Avrodhi, KWR108, Udai against root rot and wilt; wheat var. Deva against rust, var. Halna against Karnal Bunt ; barley var. Jyoti, Amber, Manjari, Haritma and Jagriti against smut and stripe disease; linseed var. Padmini and Rashmi against wilt; lentil var. Mallika against rust; field pea vars. Sapna and Swati, Rachna and Shikha against powdery mildew; pigeon pea var. KA-32-1 (Amar) and KA 91-25 (Azad) against sterility mosaic and wilt; vegetable pea Azad P-3 against powdery mildew; and paddy var. User 1 against bacterial blight and bacterial streak.


B. New chemicals and other eco-friendly methods are also screened regularly for their effectiveness in the management of plant disease caused by fungi, bacteria, viruses and nematodes.
  • General seed treatment with Thiram before sowing has been found beneficial for improving seed germinations and seedling emergence in all agricultural crops.
  • Two sprays of Improdione (0.2%) one at 5% flowering and the second at completion of flowering proved effective in checking of Alternaria blight of rapeseed and mustard.
  • A prophylactic spray with Dimethioate or methyl-o- demeton 1 litre or phosphamidon 250 ml. per hectare to check the insect vector on 21 day old crop was found to control the yellow vein mosaic and crinckle of urd and mungbean.
  • Seed treatment of groundnut with carbofuran @3g/g seed along with application of phorate @2.0Kga.i/ha proved beneficial for the control of root knot nematode.
  • Topsin M proved effective in controlling white rust of mustard.
  • Intercropping of sesame and groundnut (1:1) and soil application of phorate was found best for controlling the bud necrosis disease.
  • Seed treatment with Streptocycline (100ppm) followed by application of four sprays of Streptomycin +Blue Copper –50 (50ppm+500ppm) at 10 day intervals gave the best control of black root of mustard.
  • Topsin M as spray (0.15%) proved the must effective fungicide in controlling downy mildew and rust of pea.
  • Seed treatment with Topsin M (1g/kgseed), Apron, Jkstein (1.5g/kgseed) Bavistin 50 Bavistin 25SD (each 2g/kg seed) were found to eliminate seed borne infection of Macrophomina phaseolina in urdbean.
  • Late blight of potato was effectively controlled by spraying with a combination of Streptocycline and copper oxy chloride (15ppm+2000ppm) at 10-day interval.
  • Late sowing and tuber treatment with Emisan (0.25%) for 30 minutes were found effective in minimizing the Common Scab of potato. This disease was also effectively controlled by irrigating the potato field at 7- day interval.
  • Seed treatment with Vitavax or Bavistin 2.0g/kg seed controls of loose smut disease in wheat and barley.
  • Seed treatment with Vitavax(2g/kg seed) followed by soil drenching of Brassicol (0.2%) effectively controls root rot and seedling blight in wheat.
  • Seed treatment with Bavistin or Vitavax followed by spraying with Topsin M or Benlate (0.2%) at 10 day intervals reduced the banded blight disease in paddy.
  • Seed treatment with Bavistin, Difolatan or Captan or Indofil M 45 (each 2g/kg seed) checked seed borne pathogens responsible for reducing seed germination seedling emergence and increase germination by 1.3 to12.6% over control.
  • Soaking of seed in Difolatan 80W or Thiram or Indofil M 45 (0.2%) for at least 24 hours was found to eradicate the seed borne infection of Alternaria brassicae with increase in germination and seedling vigour in mustard.
C. Cheap and profitable production technology have been developed for the cultivation of paddy straw mush room , grown during summers and oyster (Dhingiri) and white button mushroom grown in winters by the scientist of the department. The department has been imparting training to the farmers and small entrepreneurs for the promotion of these edible mushroom production among the rural and urban populace of not only of this state like also form other states like M.P., Chhatishgarh Bihar and Jharkhand for the last 15 years thereby augmenting their income. By now more then 3000 farmers and unemployed youths and housewives have been trained free of cost. It is proposed to conduct seven six- day training programmes on it on payment basis. Through our efforts, at present 300 viable units on mushroom cultivation are on running in and aroud Kanpur city.
 
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