西藏野生芥菜型油菜构件种群相互关系及其与气候因素的灰色关联度分析

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Abstract

The relationship between environmental factors and the modular structure of wild Brassiea juncea in Tibet was investigated.Results showed that 1):the numbers of plant silique,the numbers of seed of silique and the weight of seed are the important index representing the yield of wild B.juncea in Tibet,and the weight increasing followed the numbers of plant silique,the numbers of seed of silique and the weight of seed.2):the stem system was the foundation for the whole plant,while the first grade branch system is derived from the stem system.The relationship among these factors indicates the integration in the modular structure of wild B.juncea population.3):a strong relationship among the length of first branch,the silique numbers in first branch,the numbers of second branch and the diameter of the first branch in the first grade branch system was observed,but weeker between the height of the first branch.4):between the seven environmental factors investigated and the modules of the plant are higher relative,which shows that the environmental factors strongly affect the growth and distribution of wild B.juncea population.Mean while the temperature is more important factor than the other factors,and the precipitation is an indirect environment factor for wild B.juncea population.

Key words： Tibet Wild B.juncea population Modular structure Environmental factors

Received: 25 December 2006

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	Articles by authors
	WANG Jian-lin
	CHANG Tian-jun
	FANG Hua-li
	CHENG Hai-hong
	LUAN Yun-fang
	HE Yan
	DA Ci-zhuo-ga

Cite this article:

WANG Jian-lin,CHANG Tian-jun,FANG Hua-li, et al. Analysis of grey relatedness between the modular structure of wild Brassica juncea population in Tibet and the environmental factors[J]. , 2006, 25(6): 507-511.

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http://www.ecolsci.com/EN/ OR http://www.ecolsci.com/EN/Y2006/V25/I6/507

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[1]	. [J]. Ecological Science, 2020, 39(2): 18-.