No abstract

The present study was conducted to find out the status of major insects and diseases and utilization pattern of agro-chemicals in irrigated rice cultivation by the farmers of Dhamtari district in Chhattisgarh State. The analysis on major insect in irrigated rice crop revealed that majority of the respondents marked Yellow stem borer (Scirpophaga incertulas) as major insect, followed by Brown plant hopper (Nilaparvata lugens). The analysis on insect management practices in irrigated rice crop revealed that all the respondents were using chemical practices as major management practice, followed by physical practices. The analysis on major insecticides used in irrigated rice revealed that Chlorpyriphos 20% EC was popular insecticide, followed by Quinalphos 25% EC. In irrigated rice, major disease was found Blast, followed by Brown spot. The analysis on disease management practices in irrigated rice crop revealed that all the respondents were using chemical practices as major management practice, followed by physical practices. Majority of the respondents were using Carbendazim as major fungicide in irrigated rice crop, followed by Hexaconazol 5% EC.

A field experiment was conducted at the Agrometeorology research farm, Indira Gandhi Krishi vishwavidhyalaya, Raipur (C. G.) during 2017 -18 to evaluate the influence of variety and date of sowing on yield of wheat. The experiment consisted three wheat variety viz., CG1013, HD2967 and Kanchan and three sowing date viz., 25 November (D1),), 05 December (D2) and 15 December (D3). Result revealed that First data of sowing had more duration from sowing to maturity as compared to delayed sowing. Maximum grain yield was observed in first date of sowing (25 Nov) as compared to delayed sowing, highest grain yield 4077.6 kg/ha was recorded in D1 followed by D2 (3895.5 kg/ha) and D3 (3684.5 kg/ha), respectively. In varieties, Kanchan showed maximum grain yield (4093.4 kg/ha) followed by CG 1013 (3908.3 kg/ha) and HD 2967 (3655.9 kg/ha), respectively.

At the ICAR-IIWM research farm in Odisha, a study was carried out during the rabi season to assess the effects of agromet indices on the cowpea variety Kashi uttam during the two growth seasons of 2018–19 and 2019–20. Different growing seasons and a delay in sowing had a significant impact on the length of phenological stages and accumulation of agro-climatic indices (Growing Degree Days, Photothermal Units, and Heliothermal Units). The findings showed that distinct growth phases at the second growing season were responsible for the greater GDD and PTU. However, the decrease in HTU during the second growing season showed that the crop required fewer heat units as a result of the second growth season's considerably lower number of sunshine hours. Among the seasons and sowing dates, the meteorological indices accretion was perceived in 2nd growing season as compared to 1st growing season crop. Second season crop had sown earlier and get highest heat use efficiency.