Lodging Resistance of Stems in Rice （ Oryza sativa L. ）

• 作者: Guan RUAM Jinxian ZHANG ShejianLIANG
• 来源期刊: 植物病虫害研究：英文版
• 学科: 农学
• 关键词: 倒伏水稻 横截面面积 水稻品种 形态解剖特征 茎 抗压强度 切片技术 相关分析
• 年，卷（期）: 2012,（2）
• 页码范围: 1-5
• 页数: 5页
• 分类号: S511.04

摘要

[Objective] The paper was to explore the relationship between character of rice stem and compressive strength. [Method] The morphological and anatomical characters of stems of 10 rice varieties (including 3 internodes) were systematically studied by paraffin sectioning technology; the digital force tester was used to measure the compressive strengths of various varieties; the correlation between various characters and stem compressive strengths was analyzed. [Result] Correlation analysis showed that the outer diameter and cross-sectional area of stem had close relation with longing resistance of stem, which could be adopted as the important factors for stem lodging resistance. The outer diameter and cross-sectional area of 63 Liangyou 636 was significantly higher than other tested varieties, 3 internodes all had high compressive strength, and the yield was also high. [Conclusion] 63 Liangyou 636 could be used as the rice cultivar with super yield.