A Study of Superior Seedling Selection of <i>Paeonia ostii</i>

YANG Ma-jin; GAO Jie; LUO Jian-xun; DUAN Jin-fu

doi:10.16779/j.cnki.1003-5508.2016.06.003

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Volume 37 Issue 6

Nov. 2019

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Article Navigation > Journal of Sichuan Forestry Science and Technology > 2016 > 37(6): 12-16

YANG Ma-jin, GAO Jie, LUO Jian-xun, DUAN Jin-fu. A Study of Superior Seedling Selection of Paeonia ostii[J]. Journal of Sichuan Forestry Science and Technology, 2016, 37(6): 12-16. doi: 10.16779/j.cnki.1003-5508.2016.06.003

Citation:

YANG Ma-jin, GAO Jie, LUO Jian-xun, DUAN Jin-fu. A Study of Superior Seedling Selection of Paeonia ostii[J]. Journal of Sichuan Forestry Science and Technology, 2016, 37(6): 12-16. doi: 10.16779/j.cnki.1003-5508.2016.06.003

A Study of Superior Seedling Selection of Paeonia ostii

doi: 10.16779/j.cnki.1003-5508.2016.06.003

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China West Normal University, Nanchong 637009, China;Sichuan Academy of Forestry, Chengdu 610081, China;Sichuan Guokang Agricultural Science and Technology Co., Ltd, Mianyang 621000, China

Received Date: 2016-08-19

Abstract

The selection method and standard of the superior seedlings were studied and based on the datum with 3 to 5 years old Paeonia ostii,and according to the standard to select the appropriate plants to establish Paeonia ostii superior seedling nursery base,aiming to provide excellent germplasm resources for large-scale cultivation of Paeonia ostii.The results showed that:①heights and basal diameter increments among 3~5 years old Paeonia ostii were significantly different,and difference in basal diameter growth was more than in the height of 3 and 5 years old seedlings.②Height and basal diameter increment of individuals among the same age were in positive correlation,but only those of 5 years old seedlings were significant.③The average height and average basal diameter adding one point five times by standard variance selection way were used as the Paeonia ostii superior seedlings selection standard,and the 3 years old seedling selected ratio was 3.81%,4 years old seedling selected ratio was 4.57%,5 years old seedlings celeated rotion was 4.36%.④955 superior seedlings were selected by comprehensive selection way with a selection ratio of 3.91%.
- Paeonia ostii;
- Superior seedling;
- Selection standard
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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

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A Study of Superior Seedling Selection of Paeonia ostii

doi: 10.16779/j.cnki.1003-5508.2016.06.003

China West Normal University, Nanchong 637009, China;Sichuan Academy of Forestry, Chengdu 610081, China;Sichuan Guokang Agricultural Science and Technology Co., Ltd, Mianyang 621000, China

Received Date: 2016-08-19

Key words:

Abstract: The selection method and standard of the superior seedlings were studied and based on the datum with 3 to 5 years old Paeonia ostii,and according to the standard to select the appropriate plants to establish Paeonia ostii superior seedling nursery base,aiming to provide excellent germplasm resources for large-scale cultivation of Paeonia ostii.The results showed that:①heights and basal diameter increments among 3~5 years old Paeonia ostii were significantly different,and difference in basal diameter growth was more than in the height of 3 and 5 years old seedlings.②Height and basal diameter increment of individuals among the same age were in positive correlation,but only those of 5 years old seedlings were significant.③The average height and average basal diameter adding one point five times by standard variance selection way were used as the Paeonia ostii superior seedlings selection standard,and the 3 years old seedling selected ratio was 3.81%,4 years old seedling selected ratio was 4.57%,5 years old seedlings celeated rotion was 4.36%.④955 superior seedlings were selected by comprehensive selection way with a selection ratio of 3.91%.