[1]马维文,张跃华,贾振宇,等.种植密度对“蒙农1号”红三叶种子产量及其构成因子的影响[J].北方园艺,2017,41(21):88-93.[doi:10.11937/bfyy.20170594]
　MA Weiwen,ZHANG Yuehua,JIA Zhenyu,et al.Effects of Plant Density on Seed Yield and Yield Components of Trifolium pratense cv. ‘Mengnong No.1’[J].Northern Horticulture,2017,41(21):88-93.[doi:10.11937/bfyy.20170594]
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种植密度对“蒙农1号”红三叶种子产量及其构成因子的影响

《北方园艺》[ISSN:1001-0009/CN:23-1247/S] 卷: 第41卷 期数: 2017年21 页码: 88-93 栏目: 出版日期: 2017-11-15
Title:
Effects of Plant Density on Seed Yield and Yield Components of Trifolium pratense cv. ‘Mengnong No.1’
作者:
马维文; 张跃华; 贾振宇; 张晓明; 王俊杰
内蒙古农业大学 草原与资源环境学院，内蒙古 呼和浩特 010019
Author(s):
MA Weiwen; ZHANG Yuehua; JIA Zhenyu; ZHANG Xiaoming; WANG Junjie
College of Grassland Resources and Environment,Inner Mongolia Agricultural University,Hohhot,Inner Mongolia 010019
关键词:
“蒙农1号”红三叶; 种植密度; 种子产量; 构成因子
Keywords:
Trifolium pratense L.cv.‘Mengnong No.1’; plant density; seed yield; components
DOI:
10.11937/bfyy.20170594
文献标志码:
A
摘要:
以“蒙农1号”红三叶为试材，对4种不同种植密度下单株分枝数、每枝花序数、每花序小花数、单株种子数、单株结实率、千粒质量及单株种子产量进行了测定,研究不同种植密度对种子产量及其构成因素的影响。结果表明：行株距60 cm×40 cm、60 cm×50 cm、50 cm×40 cm、50 cm×50 cm 4个处理都对“蒙农1号”红三叶单株种子产量产生了影响，其中密度为50 cm×40 cm的单株种子产量最高，达到9.6 g，且显著高于其它3个种植密度处理（P＜0.05），其它3个种植密度的单株种子产量没有显著性差异（P＜0.05）。单株分枝数、单株种子数、千粒质量是“蒙农1号”红三叶种子产量的主要构成因子。不同种植密度主要对单株分枝数和单株种子数2个种子产量构成因子有调控作用，对千粒质量无影响。
Abstract:
In order to clear the effects of density on seed yield and yield components of Trifolium pratense cv. ‘Mengnong No.1’,branch number per plant,inflorescence number per branch,floret number per inflorescence,seed number per plant,setting percentage per plant,thousand kernel weight and seed yield per plant at four different density were measured.The results showed that seed yield per plant was changed with four row spacing of 60 cm×40 cm,60 cm×50 cm,50 cm×40 cm,50 cm×50 cm,seed yield per plant at row spacing of 50 cm×40 cm was the highest and reached 9.6 g,seed yield per plant between the other three density had no significant different.Branch number per plant,seed number per plant,and thousand kernel weight were the main seed yield component factors of Trifolium pratense cv. ‘Mengnong No.1’.Plant density mainly controlled branch number per plant,seed number per plant and had no effect on thousand kernel weight.

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备注/Memo

第一作者简介：马维文（1990-），女，河北张北人，硕士研究生，研究方向为牧草种质资源与育种。E-mail：mwxl90@163.com.

责任作者：王俊杰（1962-），男，内蒙古呼和浩特人，博士，教授，现主要从事药用植物与牧草种质资源与育种等研究工作。E-mail：jjw62@163.com.
基金项目：国家科技支撑计划资助项目（2012BAD13B07）；国家重点研发计划资助项目（2016YFC0500605）。
收稿日期：2017-04-11

更新日期/Last Update: 2017-11-14