Advance in the Thermoinhibition of Lettuce (Lactuca sativa L.) Seed Germination

被引:1
|
作者
Wei, Jinpeng [1 ,2 ]
Zhang, Qi [1 ]
Zhang, Yixin [1 ]
Yang, Le [1 ,2 ]
Zeng, Zhaoqi [3 ]
Zhou, Yuliang [2 ]
Chen, Bingxian [1 ]
机构
[1] Guangdong Acad Agr Sci, Guangdong Prov Key Lab Crop Germplasm Resources P, Agrobiol Gene Res Ctr, Guangzhou 510640, Peoples R China
[2] South China Agr Univ, Coll Agr, Guangzhou 510642, Peoples R China
[3] Zhongkai Univ Agr & Engn, Coll Agr & Biol, Guangzhou 510550, Peoples R China
来源
PLANTS-BASEL | 2024年 / 13卷 / 15期
关键词
lettuce seeds; high-temperature germination; thermoinhibition; hormones; interactions; genetic expression; BETA-MANNANASE ACTIVITY; CV GRAND-RAPIDS; ABSCISIC-ACID BIOSYNTHESIS; HIGH-TEMPERATURE; SECONDARY DORMANCY; PROTEOMIC ANALYSIS; 1-AMINOCYCLOPROPANE-1-CARBOXYLIC ACID; GIBBERELLIN BIOSYNTHESIS; ETHYLENE PRODUCTION; ARABIDOPSIS SEEDS;
D O I
10.3390/plants13152051
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
Thermoinhibition refers to the inability of seeds to germinate when inhibited by high temperatures, but when environmental conditions return to normal, the seeds are able to germinate rapidly again, which is different from thermodormancy. Meanwhile, with global warming, the effect of the thermoinhibition phenomenon on the yield and quality of crops in agricultural production is becoming common. Lettuce, as a horticultural crop sensitive to high temperature, is particularly susceptible to the effects of thermoinhibition, resulting in yield reduction. Therefore, it is crucial to elucidate the intrinsic mechanism of action of thermoinhibition in lettuce seeds. This review mainly outlines several factors affecting thermoinhibition of lettuce seed germination, including endosperm hardening, alteration of endogenous or exogenous phytohormone concentrations, action of photosensitizing pigments, production and inhibition of metabolites, maternal effects, genetic expression, and other physical and chemical factors. Finally, we also discuss the challenges and potential of lettuce seed germination thermoinhibition research. The purpose of this study is to provide theoretical support for future research on lettuce seed germination thermoinhibition, and with the aim of revealing the mechanisms and effects behind lettuce seed thermoinhibition. This will enable the identification of more methods to alleviate seed thermoinhibition or the development of superior heat-tolerant lettuce seeds.
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页数:24
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