|Table of Contents|

Effects of Planting Density on Morphological Traits and Yield of Oilseed Peony Paeonia ostii

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2018年03
Page:
101-108
Research Field:
Publishing date:

Info

Title:
Effects of Planting Density on Morphological Traits and Yield of Oilseed Peony Paeonia ostii
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
Keywords:
oilseed peony; Paeonia ostii; planting density; morphological traits; yield
PACS:
-
DOI:
10.11937/bfyy.20172263
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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Last Update: 2018-02-09