Genetic Variation in Growth Traits of Toonaciliata Families in Guangdong Province

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Genetic Variation in Growth Traits of Toonaciliata Families in Guangdong Province

Genetic Variation in Growth Traits of Toonaciliata Families in Guangdong Province

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GENETIC

VARIATION

Ciliata

FAMILY

GROWTH

TRAITS

摘要：

The height and diameter at breast height were assessed for 173 Toona ciliata families at age 18 months. Analysis of varianceshowed that there were highly significant differences on height and diameter at breast height at Xinhui with 4.60 to 15.08 of Fvalue, indicating the family and replicate could affect the growth. The significant differences were also found on height anddiameter at breast height among provennances and replicates, however there was no significant differences on diameter at breastheight among families at Liangping, indicating the nearly growth speed on diameter at breast height. The coefficient of geneticvariation of height and diameter at breast height were 42.19% and 44.89% at Xinhui while those were 42.10% and 44.23% atLiangping. Heritabilities were were 0.88 for height, 0.90 for diameter at breast height at Xinhui and 0.97 for height, 0.37 fordiameter at breast height at Liangping. Family No. 169, 143, 154, 149 and 153 had significantly slowest growth whereas familyNo. 8, 1, 4, 116 and 39 were the higher growing at Xinhui. Family No. 134, 11, 86, 121 and 43 had significantly slowest growthwhereas family No. 123, 24, 89, 105 and 51 were the higher growing on height at Liangping. Furthermore, the mean values ofheight were nearly in two sites, however the diameter at breast height at Xinhui were bigger than Lianping probably due to theinsect pest.

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篇名	Genetic Variation in Growth Traits of Toonaciliata Families in Guangdong Province
来源期刊	林学研究进展：中英文版	学科	农学
关键词	GENETIC VARIATION T. Ciliata FAMILY GROWTH TRAITS
年，卷（期）	2015,（1）	所属期刊栏目
研究方向		页码范围	5-10
页数	6页	分类号	S
字数		语种
DOI