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首页> 外文期刊>Anais da Academia Brasileira de Ciencias >Genetic divergence among accessions of Axonopus jesuiticus x A. scoparius based on morphological and agronomical traits
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Genetic divergence among accessions of Axonopus jesuiticus x A. scoparius based on morphological and agronomical traits

机译：基于形态学和农艺性状的耶稣乳杆菌x scoparius种质间的遗传差异

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摘要

This study had the objective of assessing the genetic divergence in giant missionary grass (Axonopus jesuiticus x A. scoparius) germplasm based on morphological and agronomic traits. Five accessions were evaluated in the field: V14337, V14403, V14404, V14405 and V14406. Three contrasting groups were formed using the UPGMA clustering method: V14337 and V14404 formed one group, V14403 and V14405 formed another, and V14406 was isolated from the other accessions. The most striking traits for the identification of the accessions were the height of the plant and the change color of the leaf. Only V14406 accession had purplish green leaves. The other four accessions differed with regards to plant height and dry matter production, with superiority of V14337 and V14404 accessions. The high similarity, as assessed by the mean Euclidean distance, suggests that V14337 and V14404 share the same genotype. The genotypic variability among accessions indicates their potential use in breeding programs.
机译：本研究的目的是根据形态和农艺性状评估巨型传教草（Axonopus jesuiticus x A. scoparius）种质的遗传差异。在该领域中评估了五个登录号：V14337，V14403，V14404，V14405和V14406。使用UPGMA聚类方法形成了三个对比基团：V14337和V14404组成一个基团，V14403和V14405组成另一个基团，而V14406与其他种质分离。鉴定这些种质最引人注目的特征是植物的高度和叶片的颜色变化。只有V14406加入品带有紫色的绿色叶子。其他四个品种在株高和干物质生产方面有所不同，其中V14337和V14404品种的优势更大。通过平均欧几里德距离评估得出的高度相似性表明，V14337和V14404具有相同的基因型。种质之间的基因型变异性表明它们在育种程序中的潜在用途。

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