巴西核桃树外形的遗传多样性。内果皮有刺和无刺的基因型中的一种

IF 0.5 4区农林科学 Q4 FORESTRY

Scientia Forestalis Pub Date : 2022-04-11 DOI:10.18671/scifor.v50.08

Bruno H. Gomes, Mariana G. Mendes, M. V. Faria, A. Bonetti, A. Nogueira

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引用次数: 0

摘要

摘要本研究的目的是评价巴西核桃树(Caryocar brasiliense)果实内果皮有刺和无刺基因型的遗传多样性，这是核桃树果实的生物特征之一。由于组间差异、组内基因型差异、组内基因型果实之间差异和组内差异，估计了与模型效应相关的方差成分和总表型变异比例的估计值。各类群的遗传多样性得到了验证，主要集中在无刺果实类群中。在本研究中，有刺果实组H2变化范围为0.0 ~ 88.40%，无刺果实组H2变化范围为0.0 ~ 96.32%。生物计量学评估表明，所研究的基因型存在统计学上的显著差异;表明该群体具有较高的种质资源保护和育种潜力。

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Genetic diversity of Caryocar brasiliense Cambess. (Caryocaraceae: Malpighiales) among genotypes producing fruits with and without thorns in the endocarp

The aim of this research was to evaluate genetic diversity among genotypes of “pequi”, Caryocar brasiliense, producing fruits with and without thorns in the endocarp, which is one the biometric characteristics of the fruits. The variance components associated with the effects of the model and estimates of the proportions of the total phenotypic variation were estimated due to the difference between groups, the difference between genotypes within each group, the difference between fruits within genotypes and within of groups. The genetic diversity within each group was verified, mainly in the group of plants producing fruit without thorns. In this study, H2 varied from 0.0 to 88.40% in the group of fruits with thorns and from 0.0 to 96.32% in the group of fruits without thorns. Biometric evaluations demonstrate that the genotypes studied presented statistically significant differences; which shows that the population has a high genetic potential for germplasm conservation and breeding.

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来源期刊

Scientia Forestalis Agricultural and Biological Sciences-Forestry

CiteScore

1.00

自引率

0.00%

发文量

期刊介绍： Scientia Forestalis is a scientific publication of the IPEF – Institute of Forest Research and Studies, founded in 1968, as a nonprofit institution, in agreement with the LCF – Department of Forest Sciences of the ESALQ – Luiz de Queiroz College of Agriculture of the USP – São Paulo University. Scientia Forestalis, affiliated to the ABEC – Brazilian Association of Scientific Publishers, publishes four issues per year of original papers related to the several fields of the Forest Sciences. The Editorial Board is composed by the Editor, the Scientific Editors (evaluating the manuscript), and the Associated Editors (helping on the decision of acceptation or not of the manuscript, analyzed by the Peer-Reviewers.