王启和,熊大国,杨金亮,曹小军,魏德志,冯绍惠
WANG Qi-he1 XIONG Da-guo2 YANG Jin-liang3CAO Xiao-jun1 WEI De-zhi2 FENG Shao-hui3(1.Forestry Research Institute,Sichuan Academy of Forestry,Chengdu 610081,Sichuan,China,2.Forestry Bureau of Yuanba County

• 1:四川省林业科学研究院林业研究所
• 2:广元市元坝区林业局
• 3:四川省林业科学研究院川南林业研究所
• 4:四川省林业科学研究院林业研究所

摘要(Abstract)：

运用变异系数和方差分析研究了四川两个引种试验地点刚火松树龄1 a~3 a生的高生长表现,结果表明:与作为对照的当地乡土树种马尾松相比较,刚火松1 a生高生长在川北的广元市元坝区和川南的泸州市泸县2个试验地点均表现出明显的杂种优势。泸县刚火松2 a生和3 a生高生长极显著大于元坝,但与泸县马尾松相比较未显露出杂种优势。元坝刚火松2 a生和3 a生高生长比马尾松分别大73.3%和62.5%,差异达极显著水平。分析比较了刚火松和马尾松在两个试验地点的年净高增长趋势。讨论了近30年来中国引种刚火松在河北、辽宁、山东、河南、江苏、四川等地的生长表现。
Variation coefficient and variance analysis were applied to examine height increments from the first to the third growing season for Pitlolly pine(Pinus rigida × P.taeda),which had been introduced into the Yuanba and Luxian counties located in the northern and the southern Sichuan Province,respectively.The results showed that mean heights of 1 year old Pitlolly pine were significantly superior to those of the indigenous Masson's pine(P.massoniana) as a control in the 2 locations.For both 2 and 3 years old Pitlolly pine,the mean heights in Luxian were very significantly greater than those in Yuanba.The mean heights of the 2 and 3 years old Pitlolly pine in Yuanba were 73.3% and 62.5%, respectively,greater than those of the Masson's pine,while this heterosis exhibited not in Luxian.Tendency in heigth increment from the first to the third growing season was compared between the 2 pines.Discussion was made of the growth performance of the Pitlolly pine in the Chinese Provinces Hebei,Liaonin,Shangdong,Henan,Jiangsu and Sichuan since its introduction in 1978.

关键词(KeyWords)： 刚火松;引种;高生长;杂种优势
Pinus rigida × P.taeda;Introduction;Height increment;Heterosis

Abstract:

Keywords:

基金项目(Foundation): 四川省农作物育种攻关子专题“湿加松、刚火松引种与选育”的部分研究内容

作者(Author): 王启和,熊大国,杨金亮,曹小军,魏德志,冯绍惠
WANG Qi-he1 XIONG Da-guo2 YANG Jin-liang3CAO Xiao-jun1 WEI De-zhi2 FENG Shao-hui3(1.Forestry Research Institute,Sichuan Academy of Forestry,Chengdu 610081,Sichuan,China,2.Forestry Bureau of Yuanba County

DOI: 10.16779/j.cnki.1003-5508.2007.06.009

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