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Articles by Vinit Pratap Singh
Total Records ( 2 ) for Vinit Pratap Singh
  Vinit Pratap Singh , Seweta Srivastava , Swapnil Kumar Shrivastava and H.B. Singh
  Trichoderma spp. are also known as effective bio-control agents against soil-borne pathogens of several important crops. Integration of chemicals and bio-control agents has been the subject of research during recent years. The potential value of bio-pesticides for the control of important plant pathogens requires investigation due to the general requirement for very low pesticide residues in foodstuffs and concerns over the increasing development of resistance to the different classes of chemicals. The aim of the present study was to check the compatibility of different insecticides viz., Decis (deltamethrin 2.8% EC), Ekalux EC 25 (quinalphos 25% EC), Fenval 20% EC (fenvalerate 20% EC), Hilcron 36 SL (monocrotophos 36 SL), Hildan 35 EC (endosulfan 35 EC), Hilmida (imidacloprid 17.8 SL), Marshal 25 E (carbosulfan 25% EC), Rogor 30% EC (dimethoate 30% EC), Rocket 44 EC (profenofos 40%+cypermethrin 4%) with V15 strain of Trichoderma harzianum Rifai. Mycelial growth of V15 strain of Trichoderma harzianum was calculated in the presence of above mentioned insecticides by using Potato Dextrose Broth (PDB) medium and SP3 medium separately. Hilmida (imidacloprid 17.8 SL) was found to be most compatible with V15 strain of Trichoderma harzianum in both the liquid media as it shows nil percentage reduction of mycelium. It was concluded that conclude that Decis (deltamethrin 2.8% EC), Hilcron 36 SL (monocrotophos 36 SL), Hilmida (imidacloprid 17.8 SL) and Rogor 30% EC (dimethoate 30% EC) are compatible insecticides with biocontrol agent (Trichoderma harzianum) while some insecticides viz., Ekalux EC 25 (Quinalphos 25% EC), marshal 25 E (carbosulfan 25% EC) and rocket 44 EC (profenofos 40%+cypermethrin 4%) inhibits the growth of Trichoderma spp.
  Vipul Kumar , Vinit Pratap Singh , Brajesh Kumar , Seweta Srivastava and Bipen Kumar
  Background and Objective: Sugarcane (Saccharum spp.) is a commercially important cash crop of India utilized for the production of sucrose, ethanol, biofuel and fiber-related commodities. Amongst the foliar diseases, the pokkah boeng disease is becoming the major disease of sugarcane. In view of importance of this disease in sugarcane cultivation in India, a plan has been outlined for its study on different parameters of soil properties and their management by using some chemotherapeutants. Materials and Methods: Study on the different inoculation techniques on suitable host variety of sugarcane was done by inoculating with Fusarium moniliforme under suitable temperature (25-30°C), humidity (80-85%) and rainfall (300-400 mm.) under natural conditions. Sugarcane is grown on varieties of soil from sandy loam to heavy clay but is grown best on well drained sandy loam soil. Results: Data revealed that sandy clay loam soil and ph 6.5-7.5 exhibited highest incidence of disease among all type of soils. It was also observed that the percentage pokkah boeng incidence increased with the increase in moisture content of soil. In the soil temperature study, results revealed that 24-29°C temperature was favourable for disease development but maximum disease incidence was recorded at 27.5°C. Copper oxychloride was found more effective against pathogen out of all the chemical fungicides used during the experiment. Conclusion: Sandy clay loam exhibited highest incidence of disease and copper oxychloride was found more effective fungicide against Fusarium moniliforme.
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