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作 者:张江涛[1] 赵蓬晖[1] 晏增[1] 马永涛[1]
出 处:《河南林业科技》2012年第1期8-10,37,共4页Journal of Henan Forestry Science and Technology
摘 要:豫西洛宁县38个黑杨无性系6年生试验材料表明:参试无性系胸径、树高、材积等差异达显著水平,用综合法评定了它们的优劣,选择出3个优良无性系,它们的平均材积分别超对照75.37%、67.83%、50.86%。The paper analyzed the results of 38 six-year-old black poplar clones grown in Wen Country, north of Henan. The results showed that there were highly significant differences on D.B.H, height and volume among of tested clones. With the synthetic method, there fme clones were selected. The average volume of these clones was respectively 75.37%, 64.83%, and 50.86% bigger than CK.
分 类 号:S792.11[农业科学—林木遗传育种]
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