Genetical and Physiological Basis of Plant Type Model of Erect and Large Panicle Japonica Super Rice in Northern China

查看全文 作　　者：XU Zheng-jin, CHEN Wen-fu, HUANG Rui-dong, ZHANG Wen-zhong, MA Dian-rong, WANG Jia-yu, XU Hai and ZHAO Ming-hui Key Lab of Northern Japonica Rice Breeding of Liaoning Province, Shenyang Agricultural University, Shenyang 110161, P.R.China

出　　处：《Agricultural Sciences in China》索引2010年第9卷第4期,共6页

基　　金：supported by the National Natural Science Foundation of China (30871468);the Na-tional 973 Program of China (2009CB126007) 摘　　要：The historical changes in rice yields across China were explored. The physiological mechanisms and genetic basis of the erect and large panicle super-high-yield plant type model for breeding japonica super rice were analyzed mainly on the panicle type, number of large vascular bundles (LVB) in the panicle neck, and the panicle type index (PTI). In the production point of view, we suggested that, for the breeding of super-high-yield japonica rice, the erect panicle types with more LVB numbers in the panicle neck and superior upper grains in the secondary branches would be the key factors. The information has potential significance in the rice breeding and productivity not only in China but also throughout the rice production areas of the world. 关键词：大穗型超级稻生理基础中国植物遗传糖尿病方型粳型

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Genetical and Physiological Basis of Plant Type Model of Erect and Large Panicle Japonica Super Rice in Northern China

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