
Chinese Journal OF Rice Science >
Roles of Polyamines and Ethylene in Grain Filling, Grain Weight and Quality of Rice
Received date: 2021-10-29
Revised date: 2021-12-20
Online published: 2022-07-12
It is of great significance to study grain yield and quality characteristics for breeding and cultivation of rice with high quality and high yield. Polyamines (PAs) and ethylene (ETH) are two important endogenous plant growth regulators, which play crucial roles in regulating grain filling, grain weight and quality in rice. In this manuscript, we introduced the characteristics of PAs, ETH, grain filling, grain weight and rice quality, briefly described the relationships of grain filling with grain weight and quality, and then focused on reviewing the regulation and physiological mechanism of PAs and ETH on grain filling, grain weight, and quality (including milling, appearance and nutritional qualities, and grain starch quality) in rice. The existing problems and future research direction were also discussed.
Key words: rice; free polyamines; ethylene evolution rate; grain filling; grain weight; quality
XU Yunji, TANG Shupeng, JIAN Chaoqun, CAI Wenlu, ZHANG Weiyang, WANG Zhiqin, YANG Jianchang . Roles of Polyamines and Ethylene in Grain Filling, Grain Weight and Quality of Rice[J]. Chinese Journal OF Rice Science, 2022 , 36(4) : 327 -335 . DOI: 10.16819/j.1001-7216.2022.211010
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