Increasing rice production is important to ensure food security in China. Exploring yield potential and identifying genes beneficial to yield are important goals in the modern rice breeding. Generally, controlling lea...Increasing rice production is important to ensure food security in China. Exploring yield potential and identifying genes beneficial to yield are important goals in the modern rice breeding. Generally, controlling leaf morphology, increasing photosynthesis efficiency and modulating the ＂sink-source＂ relationship can pro- mote the breeding of high-yield rice as well as other cereal crops . The morphology of the leaf includes length, width and degree of curl after its emergence from the meristem and is determined by the establishment of polariW along the adaxial-abaxial, ventral-dorsal and medial-lateral axes and regulated at genetic, hormonal and environmental levels . Rice leaf morphology varies widely among rice subspecies and cultivars. Quantitative trait loci （QTLs） affecting leaf shape commonly have pleiotropic effects on rice yield , which are more useful than mutant genes for studying the molecular mechanism of leaf shape regulation and their application to rice breeding.展开更多
基金supported by the National Key Research and Development Program (2016YFD0101801)the National Natural Science Foundation of China (31570184, 31770195, 91535205 and 31671666)
文摘Increasing rice production is important to ensure food security in China. Exploring yield potential and identifying genes beneficial to yield are important goals in the modern rice breeding. Generally, controlling leaf morphology, increasing photosynthesis efficiency and modulating the ＂sink-source＂ relationship can pro- mote the breeding of high-yield rice as well as other cereal crops . The morphology of the leaf includes length, width and degree of curl after its emergence from the meristem and is determined by the establishment of polariW along the adaxial-abaxial, ventral-dorsal and medial-lateral axes and regulated at genetic, hormonal and environmental levels . Rice leaf morphology varies widely among rice subspecies and cultivars. Quantitative trait loci （QTLs） affecting leaf shape commonly have pleiotropic effects on rice yield , which are more useful than mutant genes for studying the molecular mechanism of leaf shape regulation and their application to rice breeding.
