Wang Lianmin,Wang Lizhi and Li Zhongjie.Studies on The Basis of Unfulfilled Grain of Rice plant in Cold Region Effect of Defol iate and Rachis -removing on Spikelets Fil ling[J].HEILONGJIANG AGRICULTURAL SCIENCES,2000,(02):1-3.[doi:10.11942/j.issn1002-2767.2000.02.0001]
寒地水稻秕粒形成基础的研究 Ⅰ 剪叶与剪穗对水稻小穗结实的影响
- Title:
- Studies on The Basis of Unfulfilled Grain of Rice plant in Cold Region Effect of Defol iate and Rachis -removing on Spikelets Fil ling
- 文章编号:
- 1002 -2767 -(2000)02 -0001 -03
- Keywords:
- Rice ; Unfulf illed grain ; Source and sink relat ionship
- 分类号:
- S511 .3
- 文献标志码:
- A
- 摘要:
- 本文通过盆栽的方法对19 个水稻品种(系)在花期进行剪叶与剪穗处理, 结果表明减少库容对降低秕粒率的效果不如减源对增加秕粒率的效果大;剪库增加粒重, 而剪源则降低粒重。品种间对剪源与剪库的反映不尽相同。
- Abstract:
- Through defoliation and rachis -removing at flowering stage to 19 rice genotypes , we found that the ef fect of lessening sink capacity on unfulfilled -g rain ratio is low er than that of lessening source capacity .Rachis -removing could increase grain w eight , w hile defoliation could low er grain w eight .Geno types have different responses to defolianion and rachis -removing .
参考文献/References:
[ 1] 卢向阳等.两系亚种间杂交水稻高空秕率的生理原因探讨.湖南农业科学, 1992 , 18(3):509515
[ 2] 谢泳枫、邹应斌.杂交水稻空秕粒分布及库、源与结实性关系的研究.湖南农业科学, 1998 , 14(2):18
[ 3] 长田键二等.四国地域における超多收水稻の生育.收量特性. 四国农试报, 1997 , 107117
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备注/Memo
收稿日期:1999 -11 -07
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:王连敏(1960 -), 农学硕士, 副研究员, 从事水稻栽培及生理研究。