Subjects: Agriculture, Forestry,Livestock & Aquatic Products Science >> Plant Protection submitted time 2018-06-22 Cooperative journals: 《广西植物》
Abstract： Falling flowers and fruit is a common natural phenomenon of plant organs that are detached from the mother plant. The organ exfoliation area is called as abscission zone ( AZ). The abscission layer can be differentiated in abscission zone and has close relationship with shedding. The development and function of the abscission layer are controlled by many enzymes, many hormones, and many genes, which involve a complex and accurate process. Falling and falling fruits are not only typical agronomic traits in crop cultivation and breeding, but also one of the major forms of plant shedding. Reducing the number of plant organs falling or controlling the proper shattering for increasing the yield and quality in some crops, fruit and vegetable plants have been the goal of crop domestication. Based on the previous studies on the physiological, biochemical and molecular biological mechanisms of plant organ abscission, this paper mainly reviewed the molecular mechanism of falling flower and fruits from the aspects of cytology, physiological and biochemical mechanism, genetics, molecular biology, related gene mapping, and transcriptome analysis. Among them, molecular biology and related gene mapping were focused, which provided some guidance for crop genetics and breeding.
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