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Journal of Biological Sciences
Year: 2006  |  Volume: 6  |  Issue: 6  |  Page No.: 992 - 998

Performance of Wheat Cultivars as Understory Crop of Multipurpose Trees in Taungya System

M.M. Hossain, K.L. Hossain, M.M.U. Miah and M.A. Hossain    

Abstract: A field experiment was conducted to evaluate the performance of wheat varieties as an understory crop of different multipurpose tree species at the Agroforestry Farm, Hajee Mohammad Danesh Science and Technology University, Dinajpur, during November 2005 to March 2006. Five wheat varieties such as Gourove, Sourove, Shotabdi, Kanchan and Protiva were cultivated as an understorey crop of three different tree species such as Albizia lebbeck, Psidium guajava and Mangifera indica. The experiment was laid out in split plot design with three replications where tree species were in main plot and wheat varieties were in sub plots. All the tree species were statistically indifferent in their effect on grain yield. However, the highest yield (2.60 t ha-1) was found under Albizia lebbeck followed by Mangifera indica (2.58 t ha-1) and Psidium guajava (2.53 t ha-1). The trees species at their early stages of growth had a very little impact on the associated wheat crop except that crops grown in close proximity with tree lines suffered around 11-13% yield reduction. Among the wheat varieties, Shotabdi produced the highest grain yield (2.88 t ha-1) and total dry matter followed by Gourove and Shourove. Therefore, it can be suggested that farmers in the northern region of Bangladesh may cultivate wheat variety Shotabdi as an understory crop of Albizia lebbeck during its early years of establishment.

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