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Journal of Agricultural Science and Technology، جلد ۳، شماره Number ۴، صفحات ۲۶۵-۲۷۲
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عنوان انگلیسی Dry Matter Accumulation and Partitioning as Affected by Thinning in a Non-Prolific Maize Hybrid
چکیده انگلیسی مقاله The objective of the present field experiment was to examine how plant density and enhanced source, i.e. thinning treatments, may affect grain yield and its components for a non-prolific maize hybrid, SC704. The environment of the hybrid maize crop was changed at intervals over its life cycle by removing every other plant in rows equispaced at 75 cm apart with a population of 13.34 plants m-2. The plants were grown with no water or nutrient restrictions. Results showed that earlier thinning was associated with greater stem, leaf, shoot and ear dry weight accumulation, ear kernel weight (EKW) and kernel number per ear row (KNER). In this ways the greatest of these characteristics were obtained in thinning at sowing i.e. 6.67 plants m-2 throughout. Delay in thinning until the 12-leaf stage reduced stem dry weight and EKW significantly. Thinning at tasseling also resulted in significantly lower stem dry weight accumulation compared to thinning at sowing. At final harvest, the stem dry weight of plants thinned at tasseling was 20.47% (P
کلیدواژه‌های انگلیسی مقاله Dry matter partitioning,Maize,thinning
نویسندگان مقاله y امام |
department of agronomy college of agriculture, shiraz university, islamic rebublic of iran.
سازمان اصلی تایید شده: دانشگاه شیراز (Shiraz university)

غلامحسین رنجبر | g h
department of agronomy college of agriculture, shiraz university, islamic rebublic of iran.
سازمان اصلی تایید شده: دانشگاه شیراز (Shiraz university)

نشانی اینترنتی http://jast.modares.ac.ir/article_4646_e18887aaac4a5ff8d1cb87bba5a6dbae.pdf
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