[1]王晓静,马慧丽,郭丽丽,等.种植密度对油用牡丹‘凤丹’形态性状和产量的影响[J].北方园艺,2018,42(03):101-108.[doi:10.11937/bfyy.20172263]
　WANG Xiaojing,MA Huili,GUO Lili,et al.Effects of Planting Density on Morphological Traits and Yield of Oilseed Peony Paeonia ostii[J].Northern Horticulture,2018,42(03):101-108.[doi:10.11937/bfyy.20172263]
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种植密度对油用牡丹‘凤丹’形态性状和产量的影响

《北方园艺》[ISSN:1001-0009/CN:23-1247/S] 卷: 第42卷 期数: 2018年03 页码: 101-108 栏目: 出版日期: 2018-02-15
Title:
Effects of Planting Density on Morphological Traits and Yield of Oilseed Peony Paeonia ostii
作者:
王晓静; 马慧丽; 郭丽丽; 段祥光; 郭大龙; 侯小改
河南科技大学 农学院，河南 洛阳 471023
Author(s):
WANG Xiaojing; MA Huili; GUO Lili; DUAN Xiangguang; GUO Dalong; HOU Xiaogai
College of Agriculture,Henan University of Science and Technology,Luoyang,Henan 471023
关键词:
油用牡丹; ‘凤丹’; 种植密度; 形态性状; 产量
Keywords:
oilseed peony; Paeonia ostii; planting density; morphological traits; yield
DOI:
10.11937/bfyy.20172263
文献标志码:
A
摘要:
以油用牡丹‘凤丹’（Paeonia ostii T.Hong et J.X.Zhang）为试材，设置4种株距和行距种植密度40 cm×60 cm、50 cm×70 cm、60 cm×80 cm、70 cm×90 cm。分别于盛花期和收获期，测定并比较分析了株高、冠幅、新枝条数、新枝长度、花横径、花高、叶片数、叶长和叶宽9个关键形态指标以及单株果荚长度、果荚厚度、果荚质量、籽粒质量、籽粒数和千粒质量6个关键产量指标，以期筛选出兼顾优良性状和高产的最适种植密度，为‘凤丹’进一步规范化种植和高产高效提供参考。结果表明：随着种植密度的减小，冠幅、叶片数、叶长、叶宽、单株果荚质量、单株籽粒质量、千粒质量、果荚长度、果荚厚度呈逐渐增大趋势，而株高和新枝长度变化趋势则相反；花横径、花高、新枝条数和单株籽粒数先升高后降低，呈明显的抛物线变化趋势，在60 cm×80 cm密度下达到最大值，且此密度下群体产量显著高于其它3个密度（P<0.05），其籽粒667 m2产量为153.0 kg。综上，在60 cm×80 cm密度下油用牡丹‘凤丹’的形态性状和产量指标均达到较优水平，可被建议为高产高效合理化种植的最佳密度。
Abstract:
Paeonia ostii were used as the test material,according to the plant spacing and row spacing,four planting densities,40 cm×60 cm,50 cm×70 cm,60 cm×80 cm and 70 cm×90 cm were set.At the full-bloom stage,nine key morphological indexes including the plant height,crown width,number of new branches,new branch length,number of leaves,leaf length,leaf width,flower diameter,flower height were calculated and analyzed;at the harvesting period,six key yield indexes including the fruit pod length,fruit pod thickness,fruit pod weight per plant,seed weight per plant,number of seeds per plant,1 000-seed weight were measured and compared to screen out the optimal planting density with good traits and high yield,and to provide the refernce for further standardized planting and high yield and high efficiency.The results showed that the crown width,number of leaves,leaf length,leaf width,fruit pod weight per plant,seed weight per plant,1 000-seed weight,the fruit pod length,fruit pod thickness increased gradually with the decrease of planting density,but the plant height and new branch length were the opposite.The flower diameter,flower height,number of new branches, mm〗
〖HQK〗number of seeds per plant showed a curve of first increase and later drop,reaching the maximum at the density of 60 cm×80 cm.In addition,at the density of 60 cm×80 cm,the population yield was significantly higher than that of the other three densities（P<0.05),and the grain yield per 667 m2 was 153.0 kg.In conclusion,the morphological traits and yield indexes of Paeonia ostii reached the optimum level at the density of 60 cm×80 cm,which could be suggested as the best density of high yield and efficient cultivation.

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备注/Memo

第一作者简介：王晓静（1991-），女，硕士研究生，研究方向为植物生理和分子生物学。E-mail：1036376665@qq.com.

基金项目：河南省科技创新杰出人才计划资助项目（164200510013）；国家自然科学基金资助项目（31370697）；河南省科技攻关资助项目（162102110095）。
收稿日期：2017-07-13

更新日期/Last Update: 2018-02-09