Effects of Different Flooding Degrees at Jointing Stage on Two-line Indica Hybrid Rice and Countermeasures

doi:10.3969/j.issn.1006-8082.2021.06.012

China Rice ›› 2021, Vol. 27 ›› Issue (6): 58-62.DOI: 10.3969/j.issn.1006-8082.2021.06.012

• Special Thesis & Basic Research • Previous Articles Next Articles

Effects of Different Flooding Degrees at Jointing Stage on Two-line Indica Hybrid Rice and Countermeasures

Yalan JI¹(), Changhai ZHANG², Wenge WU^1,^*(), Xiangdong WANG², Xueyuan SUN¹

¹Rice Research Institute, Anhui Academy of Agricultural Sciences, Hefei 230031, China
²Tongcheng Seed Management Station, Tongcheng, Anhui 231400, China

Received:2021-07-30 Online:2021-11-20 Published:2021-11-20
Contact: Wenge WU
About author:
1st author: jiyalan626@163.com

拔节期不同涝淹程度对籼型两系杂交稻生长及产量的影响及对策

季雅岚¹(), 张长海², 吴文革^1,^*(), 汪向东², 孙雪原¹

¹安徽省农业科学院水稻研究所,合肥 230031
²桐城市种子管理站,安徽桐城 231400

通讯作者: 吴文革
作者简介:
第一作者：jiyalan626@163.com
基金资助:
国家重点研发计划（2018YFD0300903;2018YFD0300906）

Abstract

Abstract:

Floods during the Meiyu season in the middle and lower reaches of the Yangtze River often lead to flooding and disasters in Anhui’s rice fields. The effects of different submerged time and depth on growth traits, economic traits and yield of two-line indica hybrid rice Liangyou 240 were studied. The results showed that with the increase of flooding depth and flooding water days, the growth period of rice was delayed, the effective panicles and the yield decreased. The study provides a reference for single-season indica rice in the middle and lower reaches of the Yangtze River to replant in time after waterlogging.

Key words: single-season indica rice, flood disaster, technical countermeasure, middle and lower reaches of Yangtze River

摘要：

长江中下游地区梅雨季节的洪涝常常导致安徽水稻生产田受淹并成灾。本文研究比较了不同淹水深度和淹水天数对两系杂交籼稻两优240生育性状、经济性状和产量的影响。结果表明,随着淹水深度和淹水天数的增加,两优240的生育期推迟、有效穗数减少、产量下降。该研究可为长江中下游地区一季中稻在受涝后及时补改种提供参考。

关键词: 单季籼稻, 洪涝灾害, 技术对策, 长江中下游地区

CLC Number:

S511.04

Yalan JI, Changhai ZHANG, Wenge WU, Xiangdong WANG, Xueyuan SUN. Effects of Different Flooding Degrees at Jointing Stage on Two-line Indica Hybrid Rice and Countermeasures[J]. China Rice, 2021, 27(6): 58-62.

季雅岚, 张长海, 吴文革, 汪向东, 孙雪原. 拔节期不同涝淹程度对籼型两系杂交稻生长及产量的影响及对策[J]. 中国稻米, 2021, 27(6): 58-62.

Figures/Tables 8

References 21

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Effects of Different Flooding Degrees at Jointing Stage on Two-line Indica Hybrid Rice and Countermeasures

拔节期不同涝淹程度对籼型两系杂交稻生长及产量的影响及对策

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