Sah, V.K.Sharma, Asha2019-01-072019-01-072018-06http://krishikosh.egranth.ac.in/handle/1/5810089145The present investigations entitled “Comparative performance of promising wheat varieties under Poplar and Eucalyptus based Agroforestry systems” was carried out during winter season of 2016-17 at experimental site of Agroforestry Research Centre (old site), Patharchatta of G.B. Pant University of Agriculture and Technology, Pantnagar, Distt. Udham Singh Nagar, Uttarakhand to study the comparative performance of wheat varieties (UP-2526, UP-2565, UP-2628, DPW-621-50) under poplar and Eucalyptus based agroforestry system. Experiment was laid out in Split plot design with three main plots (open farming, poplar and Eucalyptus agroforestry system) and four sub plots (different wheat varieties). The observations on growth and yield parameters of wheat crop were recorded during rabi season. Germination count, plant height, number of tillers and dry matter accumulation were higher under open farming system than agroforestry system (poplar and Eucalyptus). Among wheat varieties UP-2526 showed higher germination count and maximum height, number of tillers and dry matter accumulation. Yield attributes like grain yield was higher in open farming (3.55t ha-1) system as compared to agroforestry system. Among wheat varieties grain yield was significantly higher in UP-2628 (3.13t ha-1). Biological yield was also higher under UP-2628. Soil parameters like EC, organic carbon and nitrogen, phosphorus and potassium was higher in agroforestry system as compared to open farming system. Growth parameters of poplar and Eucalyptus tree showed increase in height, diameter and volume. However results showed that crops shown in open farming system and poplar based agroforestry system was suitable for higher growth and yield of wheat crop.ennullThesis