3年遗传选择大田试验评价杂交杨树无性系生长潜力

Lawrence P. Abrahamson, Edwin H. White, Christopher A. Nowak, Russell D. Briggs, Daniel J. Robison
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引用次数: 29

摘要

在美国纽约州马塞纳附近的圣劳伦斯河谷进行了为期3年的遗传选择田间试验,比较了54个杨树杂交无性系的生存、生长和病虫害危害。利用聚类分析和总生长量、溃疡病严重程度等指标将无性系分为生长势类。用判别分析检验生长潜力分类的统计显著性。54个克隆中有7个(DN16、NM6、NE17、D51、DN38、DN55和NE21)被推荐用于更大规模的克隆试验。本报告中提出的技术有助于对各种所需产品的硬木克隆性能进行评估。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Evaluating hybrid poplar clonal growth potential in a three-year-old genetic selection field trial

Survival, growth, and insect and disease damage of 54 hybrid poplar clones were compared in a three-year-old genetic selection field trial located in the St Lawrence River Valley, near Massena, New York, USA. Clones were grouped into growth potential classes using cluster analysis and indices of total growth and canker severity. Statistical significance of growth potential classes was tested using discriminant analysis. Seven of the 54 clones examined (DN16, NM6, NE17, D51, DN38, DN55 and NE21) were recommended for additional evaluations in larger scale clone-site trials. The technique presented in this report facilitates hardwood clone performance evaluation for a wide variety of desired products.

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