Flower Development and Photoperiodic Control of Flowering in Rice  

作　　者：XIANG Chao QU Li-jun GAO Yong-ming SHI Ying-yao 

机构地区：[1]College of Agronomy,Anhui Agricultural University [2]Institute of Crop Science/National Key Facility for Crop Gene Resources and Genetic Improvement,Chinese Academy of Agricultural Sciences

出　　处：《Rice science》2013年第2期79-87,共9页水稻科学（英文版）

基　　金：funded by the National High Technology Research and Development Program fromthe Ministry of Science and Technology of China(Grant No. 2010AA101806);the Bill & Melinda Gates Foundation (Grant No. OPP51587)

摘　　要：Floral transition,which is referred to as a plant＇s transition from vegetative stage to reproductive stage,is considered to be a critical developmental switch in higher plants,for a timely flowering is a major factor of reproductive success.Endogenous and environmental cues,such as photoperiod,light quality,plant hormones concentrations and temperature,provide information to the plants whether the environment is favorable for flowering.These cues promote,or prevent,flowering through a complex genetic network,mediated by a careful orchestration of temporal and spatial gene expression.One of such cues is photoperiod.Rice（Oryza sativa L.） serves as a powerful model species for the understanding of flowering in higher plants,including flower development and photoperiodic control of flowering.In this review,we overviewed and discussed the flower development and its model.We also overviewed the photoperiodic pathways in rice flowering control,and summarized the pathways at molecular level.Floral transition,which is referred to as a plant＇s transition from vegetative stage to reproductive stage,is considered to be a critical developmental switch in higher plants,for a timely flowering is a major factor of reproductive success.Endogenous and environmental cues,such as photoperiod,light quality,plant hormones concentrations and temperature,provide information to the plants whether the environment is favorable for flowering.These cues promote,or prevent,flowering through a complex genetic network,mediated by a careful orchestration of temporal and spatial gene expression.One of such cues is photoperiod.Rice（Oryza sativa L.） serves as a powerful model species for the understanding of flowering in higher plants,including flower development and photoperiodic control of flowering.In this review,we overviewed and discussed the flower development and its model.We also overviewed the photoperiodic pathways in rice flowering control,and summarized the pathways at molecular level.

关 键 词：RICE flowering time gene floral transition flower development PHOTOPERIOD 

分 类 号：S511[农业科学—作物学]