[1]马 波.栽培因素对寒地水稻群体结构的影响[J].黑龙江农业科学,2011,(04):26-28.
　MA Bo.Effects of Cultivated Factors on Rice Group Structurein Cold Region[J].HEILONGJIANG AGRICULTURAL SCIENCES,2011,(04):26-28.
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栽培因素对寒地水稻群体结构的影响

《黑龙江农业科学》[ISSN:1002-2767/CN:23-1204/S] 卷: 期数: 2011年04 页码: 26-28 栏目: 出版日期: 2011-04-10
Title:
Effects of Cultivated Factors on Rice Group Structurein Cold Region
文章编号:
1002-2767（2011）04-0026-03
作者:
马 波
黑龙江省农业科学院 齐齐哈尔分院，黑龙江 齐齐哈尔 161006
Author(s):
MA Bo
Qiqihar Branch of Heilongjiang Academy of Agricultural Sciences，Qiqihar，Heilongjiang 161006
关键词:
栽培因素; 寒地水稻; 群体结构; 相关性
Keywords:
cultivated factors; cold region; rice; group structure; correlation
分类号:
S511.048
文献标志码:
A
摘要:
利用二次回归通用旋转设计，研究了栽培因素对寒地水稻产量和农艺性状的影响。结果表明：产量与氮肥施用量呈二次曲线关系，与密度及钾肥施用量呈正相关关系。施氮量除与千粒重有明显的负相关作用外，其余农艺性状均呈二次曲线关系。钾肥对穗长、每穗实粒数、结实率有明显的促进作用，增加密度会增加总穗数，但在高密度情况下穗数增长将趋缓。通过相关性分析可以得出，单位面积穗数对于水稻产量的影响程度最大，其次为千粒重和结实率等。
Abstract:
The effects of cultivated factors on rice yield and agronomic traits in cold region were studied by quadratic general rotatory combination design.The results showed that the yield and applied nitrogen had a conic relationship，the yield had a positive relationship with the density and applied potassium.Applied nitrogen and 1000-grain weight was a significant negative correlation，the other agronomic traits showed a conic relationship.Applied potassium could promote spike length and solid grains per panicle and seed setting rate，the density could increase the total spikes，but spike in cases of high-density would be increased slowly down.The correlation analysis drew that functions of panicles per unit area on the yield was the biggest role of all，followed by 1 000-grain weight and seed setting rate，etc.

参考文献/References:

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[4]赵步洪，张洪熙.水稻超高产栽培的实践与探讨[J].江苏农业科学，1998(6):19-21.

[5]王术，秦志列.沈阳地区高产水稻群体主要农艺性状对产量的影响[J].沈阳农业大学学报，2001，32(4):250-252.

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备注/Memo

基金项目：黑龙江省科技攻关计划资助项目（GA09B102-2-4）

作者简介：马波（1982-），男，黑龙江省齐齐哈尔市人，学士，研究实习员，从事水稻育种及栽培研究。E-mail：mb20031982@yahoo.com.cn。

更新日期/Last Update: 2014-10-29