[1]洪艳华,时启宏,杨克军.种植密度对高淀粉玉米郑单19 产量和产量构成因素的影响[J].黑龙江农业科学,2007,(05):33-35.[doi:10.11942/j.issn1002-2767.2007.05.0033]
　HONG Yan-hua,SHI Qi-hong,YANG Ke-jun.Effect of Plant Density on Yield and Its Component Factors of High Starch Maize Zhengdan No. 19[J].HEILONGJIANG AGRICULTURAL SCIENCES,2007,(05):33-35.[doi:10.11942/j.issn1002-2767.2007.05.0033]
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种植密度对高淀粉玉米郑单19 产量和产量构成因素的影响

《黑龙江农业科学》[ISSN:1002-2767/CN:23-1204/S] 卷: 期数: 2007年05 页码: 33-35 栏目: 出版日期: 2007-09-10
Title:
Effect of Plant Density on Yield and Its Component Factors of High Starch Maize Zhengdan No. 19
文章编号:
1002 - 2767(2007)05 - 0033 - 03
作者:
洪艳华;  时启宏;  杨克军
黑龙江八一农垦大学植物科技学院, 大庆163319
Author(s):
HONG Yan-hua ;  SHI Qi-hong ;  YANG Ke-jun
Plant Science and Technology College , Heilo ng jiang Aug ust First Land Reclamat ion University , Daqing 163319
关键词:
种植密度; 高淀粉玉米; 产量; 产量构成因素
Keywords:
plant density ; high star ch maize ; y ield; yield compo nent factor s
分类号:
S513. 04
DOI:
10.11942/j.issn1002-2767.2007.05.0033
文献标志码:
A
摘要:
:以高淀粉玉米品种郑单19 为材料, 研究种植密度(4. 5、6. 0 、7. 5 、9. 0 万株 hm - 2)对玉米籽粒产量的影响。结果表明:密度对高淀粉玉米郑单19 的产量有显著影响。随密度的增加, 穗粒数、穗粒重和百粒重降低, 穗变小, 而穗数增加。密度与产量的关系为y = - 202. 22 x2 +2790. 67x +82. 98 , 籽粒产量呈单峰曲线变化。随着密度由4. 5 万株 hm - 2增加到7. 5 万株 hm - 2 , 玉米籽粒产量逐渐提高;密度由7. 5 万株 hm - 2 增加到9 万株 hm - 2 , 玉米籽粒产量则逐渐下降。
Abstract:
Hig h sta rch maize hy brid Zheng-dan No. 19 w as used to investig ate the effect o f plant density (45 000 , 60 000, 75 000, 90 000 plants hm - 2)o n yield. The re sults showed tha t:Effect of plant density on yield o f hig h star ch maize Zhengdan No. 19 w as r ema rkable. Ke rne ls per ear , ker nel w eig ht of ear a nd weight of 100 ke rne ls decreased and ear s number increased with plant densities increasing from 45 000 to 90 000 plants hm- 2 . The relation of plant density to yield o f maize was y = - 202. 22x2 + 2790. 67x +82. 98 ;g rain yield presented sing le-peaked curve. Grain yield increased with plant densities increasing from 45 000 to 75 000 plants hm - 2 , but when it over 75 000 plants hm - 2 , g rain yield reduced.

参考文献/References:

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　[J].HEILONGJIANG AGRICULTURAL SCIENCES,1991,(05):41.[doi:10.11942/j.issn1002-2767.1991.05.0041]

备注/Memo

收稿日期:2007 - 03 - 15
第一作者简介:洪艳华(1978 -), 女, 黑龙江省安达市人, 硕士, 助教, 从事农业微生物学教学与研究。E - mai l:hongyh_ 33 @s oh u. com 。

更新日期/Last Update: 2016-12-12