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朱报著张方秋,李胜强,潘 文,黎土兰,孙恒
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投注app 广东 广州,广州市石门国家森林公园管理处 广东 从化,投注app 广东 广州,投注app 广东 广州,投注app 广东 广州
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The early growth performance of three provenances of Sapium sebiferum from Wangcheng county, Hunan province, Lianshan county, Guangdong province, and Shangyou county, Jiangxi province were studied. The results showed that there were highly significant difference in thousandseed weight, seedling height, tree height and diameter at breast height (DBH) of young forest among either provenances or families. There were positive correlation between the thousandseed weight and seedling height, and also existing among seedling height, tree height and DBH. The provenances from Hunan had the maximum value in thousandseed weight, seedling height, tree height and DBH. 16 superior families were screened out by the comprehensive analysis, of which 8, 4 and 4 families came respectively from Hunan, Guangdong and Jiangxi province, with the actual gains of tree height and DBH were 23.1% and 37.5%, respectively.
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