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《Journal of Henan Agricultural Sciences》 2006-08
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Characteristics of Dry Matter Accumulation and Distribution and Grain Filling of New Wheat Cultivar Bainong AK58

XUE Xiang,HAN Zhan-jiang,GAO Qing-lu,WU Yu-e,ZHANG Yong-chao,CAO Shi-gang(Henan Institute of Science and Technology,Xinxiang 453003,China)  
Accumulation and distribution of dry matter and grain filling of new wheat variety Bainong AK58 were observed.The results showed that the dry matter accumulation centers of Bainong AK58 were stems,leave,sheath,glumes and ear axis during the stage of grain forming,then transferred to grains gradually;the tendency of grain weight increasing was "slow-quick-slow" with two filling peaks in the middle and last phases of grain filling.The quickly increasing stage of grain weight of Bainong AK58 was longer than the slightly increasing stage which was longer than the slowly increasing stage,which was advantageous to increase the grain weight.
【Fund】: 河南省自然科学基金(0411032800 0511031100);; 河南省科技攻关项目(524100006 0424060016)
【CateGory Index】: S512.1
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