Characteristics of Seed Vigor in Rice Varieties with Different Globulin Accumulations

被引：3

作者：

Peng, Liling ^{[1
]}

Lu, Hulun ^{[1
]}

Chen, Jiajin ^{[1
]}

Wu, Ziyan ^{[1
]}

Xiao, Zitong ^{[1
]}

Qing, Xindong ^{[1
]}

Song, Jintao ^{[1
]}

Wang, Zhoufei ^{[1
]}

Zhao, Jia ^{[1
]}

机构：

[1] South China Agr Univ, Lab Seed Sci & Technol, Guangdong Key Lab Plant Mol Breeding, Guangzhou 510642, Peoples R China

来源：

INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES | 2022年 / 23卷 / 17期

基金：

中国国家自然科学基金;

关键词：

rice; seed vigor; globulin protein; reactive oxygen species; direct seeding; QUANTITATIVE TRAIT LOCUS; STORAGE PROTEINS; GERMINATION;

D O I：

10.3390/ijms23179717

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Seed vigor of rice is an important trait for direct seeding. The objective of this study was to reveal the relationship between globulin and seed vigor, and then to explore a method for evaluating seed vigor. Several rice varieties with different levels of 52 kDa globulin accumulation were used to compare seed vigor under normal and aged conditions. Results showed that varieties with high globulin accumulation obtained significantly higher seed vigor, measured by germination percentage and germination index, compared with those varieties with low globulin accumulation under normal and aged conditions. Meanwhile, a significantly higher accumulation of reactive oxygen species (ROS) was observed in the early germinating seeds of varieties with high globulin accumulation compared to those varieties with low globulin accumulation under normal and aged conditions. Collectively, the globulin content could be applied in the evaluation of seed vigor, which contributes to the selection of rice varieties for direct seeding.

引用

页数：11

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