[1]刘海燕,马宝新,孙善文,等.种植密度对玉米新品种嫩单18的产量及其生育性状的影响[J].黑龙江农业科学,2016,(07):15-18.[doi:10.11942/j.issn1002-2767.2016.07.0015]
　LIU Hai-yan,MA Bao-xin,SUN Shan-wen,et al.Effect of Plant Density on Grain Yield and Growing Characters of New Maize Varieties Nendan 18[J].HEILONGJIANG AGRICULTURAL SCIENCES,2016,(07):15-18.[doi:10.11942/j.issn1002-2767.2016.07.0015]
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种植密度对玉米新品种嫩单18的产量及其生育性状的影响

《黑龙江农业科学》[ISSN:1002-2767/CN:23-1204/S] 卷: 期数: 2016年07 页码: 15-18 栏目: 出版日期: 2016-07-10
Title:
Effect of Plant Density on Grain Yield and Growing Characters of New Maize Varieties Nendan 18
文章编号:
1002-2767（2016）07-0015-04
作者:
刘海燕; 马宝新; 孙善文; 王俊强; 韩业辉; 于运凯; 许健
（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):
LIU Hai-yan; MA Bao-xin; SUN Shan-wen; WANG Jun-ang; HAN Ye-hui; YU Yun-kai; XU Jian
(Qiqihar Branch of Heilongjiang Academy of Agricultural Sciences,Qiqihar,Heilongjiang 161041)
关键词:
嫩单18; 种植密度; 产量; 生育性状
Keywords:
Nendan 18;  planting density;  yield;  growing character
分类号:
S513
DOI:
10.11942/j.issn1002-2767.2016.07.0015
文献标志码:
A
摘要:
为明确嫩单18的适宜种植密度，发挥群体优势，获得高产，以玉米新品种嫩单18为材料，研究了不同种植密度对嫩单18的产量及其农艺性状的影响。结果表明：随着种植密度的增加，嫩单18的株高、穗位高和秃尖长逐渐增加，穗长、百粒重、单穗重和单株干物质积累逐渐减少；群体干物质积累和群体产量显著增加；种植密度6.75万株·hm-2时产量最高，在中等偏上的水肥条件下的适宜种植密度为6.0万～7.5万株·hm-2。
Abstract:
In order to clear the planting density of Nendan 18，give full play to the group advatages and obtain high yield,taking corn new variety Nendan 18 as materals,the yield and agronomic traits were measured,in which Nendan 18 was planted in different planting desity conditions,the yield and yield traits were analyzed.The most appropriate planting densitycondition of Nendan 18 was determined.The results showed that the plant height,ear height and bare top length increased ,and ear length,hundred-grain-weight,yield per plant and dry matter accumulation per plant decreased with the increasing of planting density.Population dry matter accumulation and population grain yield increased.The yield was the highest at the density of 67 500 plant·hm-2 .The appropriate density condition in the middle of the water and fertilizer conditions was 60 000~75 000 plant·hm-2.

参考文献/References:

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备注/Memo

收稿日期：2016-04-10

第一作者简介：刘海燕（1972-），女，黑龙江省克山县人，硕士，副研究员，从事玉米育种研究。E-mail:lhy8098@163.com。

更新日期/Last Update: 2016-12-12