Container seedling classification of <em>Ormosia yunnanensis</em>

SHI Fu-qiang; ZHOU Feng-lin

Volume 23 Issue 6

Feb. 2017

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SHI Fu-qiang, ZHOU Feng-lin. Container seedling classification of Ormosia yunnanensis[J]. Journal of Zhejiang A&F University, 2006, 23(6): 651-655.

Citation:

SHI Fu-qiang, ZHOU Feng-lin. Container seedling classification of Ormosia yunnanensis[J]. Journal of Zhejiang A&F University, 2006, 23(6): 651-655.

Container seedling classification of Ormosia yunnanensis

SHI Fu-qiang^,,
ZHOU Feng-lin

1.
The Tropical Forestry Institute , Yunnan Academy of Forestry , Jinghong 666102, Yunnan, China

Publish Date: 2006-12-20

Abstract

The standard of container seedling of Ormosia yunnanensis is studied by using the methods of gradual clustering analysis .Seedling height and basal diameter are proposed as the main indexes of quality for seedling classification of the species .The container seedlings are classified into three grades .First grade container seedlings are with the height greater than 15.4 cm, the basal diameter greater than 0.29 cm.Those , the height between 11.4 cm and 15.4 cm , the basal diameter between 0.24 cm and 0.29 cm are classified as second grade .Those , with height lower than 11.4 cm and basal diameter lower than 0.24 cm are sorted into third grade .[ Ch , 5 tab .5 ref .]
- silviculture,
- Ormosia yunnanensis,
- container seedling,
- seedling classification,
- gradual clustering analysis

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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

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Container seedling classification of Ormosia yunnanensis

1. The Tropical Forestry Institute , Yunnan Academy of Forestry , Jinghong 666102, Yunnan, China

Publish Date: 2006-12-20

Key words:

Abstract: The standard of container seedling of Ormosia yunnanensis is studied by using the methods of gradual clustering analysis .Seedling height and basal diameter are proposed as the main indexes of quality for seedling classification of the species .The container seedlings are classified into three grades .First grade container seedlings are with the height greater than 15.4 cm, the basal diameter greater than 0.29 cm.Those , the height between 11.4 cm and 15.4 cm , the basal diameter between 0.24 cm and 0.29 cm are classified as second grade .Those , with height lower than 11.4 cm and basal diameter lower than 0.24 cm are sorted into third grade .[ Ch , 5 tab .5 ref .]

Container seedling classification of Ormosia yunnanensis

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Container seedling classification of Ormosia yunnanensis

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