WANG Chun-yan,WANGLi-zhi,LI Zhong-jie,et al.Studies on the Basis of Ulfulfilled Grain of Rice Plant in Cold Rigon Ⅴ.Effect of Fertilizer on Unfulfilled Grain Formation[J].HEILONGJIANG AGRICULTURAL SCIENCES,2001,(06):1-3.[doi:10.11942/j.issn1002-2767.2001.06.0001]
寒地水稻秕粒形成基础的研究 Ⅴ.施肥对秕粒形成的影响
- Title:
- Studies on the Basis of Ulfulfilled Grain of Rice Plant in Cold Rigon Ⅴ.Effect of Fertilizer on Unfulfilled Grain Formation
- 文章编号:
- 1002 -2767(2001)06 -0001 -03
- Keywords:
- rice ; fertilizer ; unfulfilled grain
- 分类号:
- S511 .3
- 文献标志码:
- A
- 摘要:
- 分析了不同水稻品种(系)子粒充实程度及物质积累与施肥的关系。结果认为增施氮肥可使颖花的充实粒率表现为下降的趋势, 但不同品种(系)有不同的反映。孕穗期(抽穗前2 周)增施氮肥可增加灌浆期的单株干物质生产量和抽穗后的干物质积累率。
- Abstract:
- The relationship between fulfilled g rain percentage , dry mat ter accumulation and fertilizer w as analyzed .The result showed that increasing nitrogen supply had the t rend to decrease fulfilled g rain percentage .How ever , dif ferent genoty pes have various response to fertilizer t reatment .Topdressing 2 weeks ahead heading increased the rates of dry mat ter production and accumulation during g rain filling .
参考文献/References:
[ 1] 李荣田, 秋太权, 崔成焕.水稻品种类型间产量构成因素对肥力反应差异研究[ J] .东北农业大学学报, 1995 , 26(1):13-19.
[ 2] 凌启鸿.作物群体质量[ M] .北京:科学技术出版社, 2000.
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备注/Memo
收稿日期:2001 -07 -16
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。