WANG Chun-yan,WANGLi-zhi,LI Zhong-jie,et al.Studies on The Basis of Unfulfilled Grain of Rice Plant in Cold Region Ⅳ.The Relationship Between Yield Components of Different Cultivars(Lines)and Unfulfilled Grain[J].HEILONGJIANG AGRICULTURAL SCIENCES,2001,(05):1-3.[doi:10.11942/j.issn1002-2767.2001.05.0001]
寒地水稻秕粒形成基础的研究 Ⅳ.寒地水稻不同类型品种(系)的产量构成与秕粒的关系
- Title:
- Studies on The Basis of Unfulfilled Grain of Rice Plant in Cold Region Ⅳ.The Relationship Between Yield Components of Different Cultivars(Lines)and Unfulfilled Grain
- 文章编号:
- 1002 -2767(2001)05 -0001 -03
- Keywords:
- rice ; fulfilled grain percentage ; unfulf illed grain percentage
- 分类号:
- S511 .3
- 文献标志码:
- A
- 摘要:
- 分析了黑龙江省生产中广泛使用的21 份水稻品种(系)的穗部特征及产量构成因素间的相互关系。结果表明, 大穗型品种的结实率低于小穗型品种的结实率, 中晚熟品种的结实率比中早熟品种的结实率低。结实率降低的主要原因是秕粒率高造成的。
- Abstract:
- In this paper , the relationship between panicle feature of 21 cultiv ars(lines)w idely used in Heilong jiang province and yield component s w as analyzed .The result show ed that fulfilled grain percentage of heavy panicle cultivars w as lower than that of lig ht panicle ones and the fulfilled grain percentage of late ripened cultivars w as lower than that of early ripened ones .The major cause of low fulf illed grain percentage is high percentage of the unfulfilled g rain .
参考文献/References:
[ 1] 张三元, 石玉海.吉林省水稻超高产研究Ⅰ .不同类型水稻品种产量构成与超高产育种目标[ J] .吉林农业科学, 1999 , 24 (1):4-7.
[ 2] 李荣田, 秋太权, 崔成焕.水稻超稀植栽培条件下品种(系)产量构成因子分析[ J] .黑龙江农业科学, 1994 , 6(6):16-20.
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备注/Memo
收稿日期:2001 -01 -09
基金项目:黑龙江省自然科学基金资助项目部分内容。
作者简介:王春艳(1958 -), 女, 吉林省梅河口人, 副研究员, 从事水稻栽培及生理研究