完全双列配合力的遗传成分

IF 1.3 4区农林科学 Q3 AGRONOMY

Crop Breeding and Applied Biotechnology Pub Date : 2004-09-30 DOI:10.12702/1984-7033.V04N03A12

F. Ferreira, J. I. R. Júnior, C. Pacheco, C. Henrique, O. Silva, S. M. Filho

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引用次数: 15

摘要

得到的和值与28个父母完全双列列中各自参数的理论概念相关联，并模拟了5个具有5种不同d/a关系(0,0.5,1.0,1.5和2.0)的假设变量。这两个等位基因的亲本分别由不同频率的有利等位基因(1/ 28,2 / 28，…，28/28)所控制。结果表明，调节性状的基因座存在显性偏差对GCA估计有较大影响，其绝对值与相应值之间存在较高的相关性(0.96)。联合评价和估计提供了双列杂交群体遗传质量的信息。

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Genetic components of combining ability in a complete diallel

Obtained and values were associated to theoretical concepts of the respective parameters in a complete diallel with 28 parents and the simulation of five hypothetic variables with five different d/a relations (0, 0.5, 1.0, 1.5, an d 2.0). These were controlled by a single gene with two alleles whose parents were represented by different frequencies of the favorable allele (1/28, 2/28,...,28/28). The conclusion was drawn that the existence of dominance deviations in the loci regulating the trait influences the GCA estimates considerably and that there is a high correlation (0.96) between the absolute and the respective values. The joint evaluation of and estimates provides information on the genetic quality of the populations of the diallel.

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来源期刊

Crop Breeding and Applied Biotechnology AGRONOMY-BIOTECHNOLOGY & APPLIED MICROBIOLOGY

CiteScore

2.70

自引率

13.30%

发文量

审稿时长

6-12 weeks

期刊介绍： The CBAB – CROP BREEDING AND APPLIED BIOTECHNOLOGY (ISSN 1984-7033) – is the official quarterly journal of the Brazilian Society of Plant Breeding, abbreviated CROP BREED APPL BIOTECHNOL. It publishes original scientific articles, which contribute to the scientific and technological development of plant breeding and agriculture. Articles should be to do with basic and applied research on improvement of perennial and annual plants, within the fields of genetics, conservation of germplasm, biotechnology, genomics, cytogenetics, experimental statistics, seeds, food quality, biotic and abiotic stress, and correlated areas. The article must be unpublished. Simultaneous submitting to another periodical is ruled out. Authors are held solely responsible for the opinions and ideas expressed, which do not necessarily reflect the view of the Editorial board. However, the Editorial board reserves the right to suggest or ask for any modifications required. The journal adopts the Ithenticate software for identification of plagiarism. Complete or partial reproduction of articles is permitted, provided the source is cited. All content of the journal, except where identified, is licensed under a Creative Commons attribution-type BY. All articles are published free of charge. This is an open access journal.