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Zahra Ghahremani

زهرا قهرمانی 1، مجتبی دلشاد 2، عبدالکریم کاشی 3 -1 استادیار دانشگاه زنجان. 2 و 3- استادیار و استاد گروه علوم باغبانی، دانشکده باغبانی و گیاه پزشکی پردیس کشاورزي و منابع طبیعی دانشگاه تهران.
The Response of Growth Index and Yirld of a Commerical Cucumber (Cucumis sativus L. cv.Super Dominus) to Plant Density
ارزیابی تاثیر تراکم بوته بر شاخص هاي رشد خیارCucumis sativus L.cv Super Dominus)

To evaluate the effect of plant density on growth indices and yield of cucumber (Cucumis sativus L. cv. Super Dominus) an experiment was conducted at Horticultural Research Center of Department of Horticulture, University of Tehran in 2006. A completely randomized blocks design with three replications was used. Yield of cucumber in five densities including 53000, 66000, 88000, 130000 and 260000 plants per hectare was studied during the experiment. Growth indices such as CGR, RGR, LAI and NAR were used to evaluate plant growth rate. Samples were selected from each plot during growing season in 2 times, the first down when were seen tow leaves and another in the end of growing season. Keywords: CGR, RGR, LAI, NAR, TDW



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