Abstract
With increasingly frequent extreme weather events, lodging has become an important limiting factor for crop yield and quality and for mechanical harvesting. Lodging resistance is a precondition for “super high yield” crops, and the question of how to achieve lodging resistance to guarantee high yield is an urgent scientific problem. Here, we summarize the anatomical results of lodging resistance stems and find that the lodging resistance of stems is closely related to stem components. Therefore, we focus on the roles of lignin, cellulose and hemicellulose, which provide stem rigidity and strength, in crop lodging resistance. By combing the synthetic regulatory molecular network of lignin, cellulose and hemicellulose, we find that only some of the genes involved in the biosynthesis and regulation of lignin, cellulose, and hemicellulose have been shown to significantly affect lodging resistance. However, many relevant genes remain to be studied in sufficient detail to determine whether they can be applied in breeding for lodging resistance. This work provides valuable information for future studies of lodging resistance.
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