![]() | Only 14 pages are availabe for public view |
Abstract Two field experiments were conducted in a private farm at Kafrhakeem village, at Embaba District, Giza Governorate during 1987 and 1988 seasons to study the effect of solarization (by mulching soil with transparent polyethylene sheets), mechanical and chemical weed control treatments on peanut plants, associated weeds, nodule formation, yield and quality and some soil properties. The results indicated that:-all weed control treatments reduced significantly the density (%), number and fresh and dry weights of peanut weeds as compared to the unweeded treatment. The most promising treatments for weed control in peanut field were: penoxalin + one hoeing, 2 or 3 ordinary hand hoeings, pre-sowing irrigation + two hoeings and pre-sowing irrigation + paraquat + one hoeing treatments. Weeds grown with peanut plants reduced significantly the fresh and dry weights of peanut plants as well as numbers and fresh and dry weights of peanut nodules/ plant 60 days old by about 60.2, 52.0 and 48.8%, respectively compared with those received three-hoeing treatment. All herbicidal treatments under investigation (Penoxalin, vernolate and oxadiazon) showed no hazardous effect on growth and root nodulation of peanut plants. Weeds reduced significantly the pod number/plant, pods yield/fed, seed yield/fed. and straw yield/fed. by 44.9, 42.6, 41.5 and 49.9%, respectively, compared to the three-hoeing treatment. |