A Study of the Early Growth of Clonal Saplings in the Walnut Variety Orchard in Panzhihua

LI Heng; GU Guo-dong; DAO Li-ping; TANG Ping; ZHANG Chun-hua

doi:10.16779/j.cnki.1003-5508.2013.04.002

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Volume 34 Issue 4

Nov. 2019

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Article Navigation > Journal of Sichuan Forestry Science and Technology > 2013 > 34(4): 5-9

LI Heng, GU Guo-dong, DAO Li-ping, TANG Ping, ZHANG Chun-hua. A Study of the Early Growth of Clonal Saplings in the Walnut Variety Orchard in Panzhihua[J]. Journal of Sichuan Forestry Science and Technology, 2013, 34(4): 5-9. doi: 10.16779/j.cnki.1003-5508.2013.04.002

Citation:

LI Heng, GU Guo-dong, DAO Li-ping, TANG Ping, ZHANG Chun-hua. A Study of the Early Growth of Clonal Saplings in the Walnut Variety Orchard in Panzhihua[J]. Journal of Sichuan Forestry Science and Technology, 2013, 34(4): 5-9. doi: 10.16779/j.cnki.1003-5508.2013.04.002

A Study of the Early Growth of Clonal Saplings in the Walnut Variety Orchard in Panzhihua

doi: 10.16779/j.cnki.1003-5508.2013.04.002

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Panzhihua Agricultural Science Research Institute of Sichuan, Panzhihua 617000, China

Received Date: 2013-04-07

Abstract

Panzhihua Academy of Agriculture and Forestry Sciences introduced 18 local walnut clones and collected 10 local walnut planting clones from Dali of Yunnan province,then a collection orchard of walnut varieties was established in Puwei town by use of the grafting propagation mode. Through analysis of clonal saplings' tree height,diameter and branching of scion,the results showed that tree height repeatability was 0.57,the average diameter of scion repeatability was 0.72,the number of branches repeatability was 0.65. By multiple comparison, clones MH1, RH1, YH1, YH10, YH17, YH18, YH9, YH7 and YH16,their three growth indexes were significantly better than the other clones,the scion diameter or number of branches of them were significantly higher than the average of the index value,and the coefficient of variation was small. The initially screened 9 clones would be selected as the focus research and breeding objects of fine walnut clones.
- Walnut;
- Clone;
- Sapling stage;
- Repeatability
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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 the Early Growth of Clonal Saplings in the Walnut Variety Orchard in Panzhihua

doi: 10.16779/j.cnki.1003-5508.2013.04.002

Panzhihua Agricultural Science Research Institute of Sichuan, Panzhihua 617000, China

Received Date: 2013-04-07

Key words:

Walnut /
Clone /
Sapling stage /
Repeatability

Abstract: Panzhihua Academy of Agriculture and Forestry Sciences introduced 18 local walnut clones and collected 10 local walnut planting clones from Dali of Yunnan province,then a collection orchard of walnut varieties was established in Puwei town by use of the grafting propagation mode. Through analysis of clonal saplings' tree height,diameter and branching of scion,the results showed that tree height repeatability was 0.57,the average diameter of scion repeatability was 0.72,the number of branches repeatability was 0.65. By multiple comparison, clones MH1, RH1, YH1, YH10, YH17, YH18, YH9, YH7 and YH16,their three growth indexes were significantly better than the other clones,the scion diameter or number of branches of them were significantly higher than the average of the index value,and the coefficient of variation was small. The initially screened 9 clones would be selected as the focus research and breeding objects of fine walnut clones.