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Theories and Methods of Rice Breeding for Makimun Yield

YANG Shouren;ZHANG Longbu; CHEN Wenfu; XU Zhenjin; WANG Jinhan (Rice Laboratory, Shenyang Agricultural University, Shenyang 110161)  
Rice breeding for maximum yield is a hot topic today in the world and a tremendous challenge as well. China's population is now approaching 1. 2 billion people. It is a country where rice constitutes a lion's share in grain production. The higher and higher the yield we seek,the more and more difficult the task will be. It is a breeding for maximum yield. Since there is no ready theory and method for us to follow, we have to grope along through trial and error. In this paper, the author attempts to make a comprehensive analysis of and systemize the valuable experience acquired by so many people through decades of painstaking labor, in order to further refine the theories and methods for combining ideal plant morphology with the utilization of vigor, as well as for optimized conbination of traits and criteria for selecting hybrid progeny put forward in the past, for reference and trial application by colleagues at home and abroad.
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