MORPHOLOGICAL VARIATION IN ALEPPO PINE (PINUS HALEPENSIS MILL.) IN ISRAEL

R. N. Melzack, C. Grunwald, G. Schiller
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引用次数: 3

Abstract

ABSTRACT Measurements of 17 characters of cones, needles and bark were made on trees from seven provenances in Israel, and analysed by principal components analysis. Four components accounted for 62% of the total variation. Among these components the Bet Meir and Yirka provenances are similar, while the other seed sources differ from each other. There is no evidence of clinal variation; this was confirmed by analysis of four of the original variables, taken separately, although there is significant between-provenance variation. The Rosh HaNiqra seed source tends to have more extreme component values than the others. This may be due to introgression with Pinus brutia or to different selection pressure.
阿勒颇松的形态变异在以色列
摘要对以色列7个种源树木的球果、针叶和树皮的17个性状进行了测定,并用主成分分析法进行了分析。4个分量占总变异的62%。在这些成分中,贝特梅尔和伊尔卡种源具有相似性,而其他种源则存在差异。没有临床变异的证据;这是通过对四个原始变量的分析证实的,尽管在种源之间存在显著的差异。Rosh HaNiqra种子源往往比其他种子源具有更极端的成分值。这可能是由于与粗壮松的渐渗或不同的选择压力。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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