环境指数对Eberhart和Russell稳定性参数估计的影响

IF 1.3 4区农林科学 Q3 AGRONOMY

Crop Breeding and Applied Biotechnology Pub Date : 2004-12-31 DOI:10.12702/1984-7033.V04N04A15

C. Pacheco, A. C. Oliveira, E. E. Gama, Manoel Xavier dos Santos, S. N. Parentoni, W. F. Meirelles, P. E. Guimarães, P. H. Ribeiro

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引用次数: 0

摘要

本研究利用A、B、C和QPM 4个基因型组的环境指数，验证环境指数对适应性和稳定性参数分析和估计的影响。利用2000/2001年收获季在中国东南和中西部地区9个环境下获得的玉米品种初步试验数据，对巴西玉米和高粱进行初步试验。在产量稳定性和对环境的响应方面，环境指标的交换对4个类群的参数估计和基因型分类影响不大。这种变异的原因可能更多地与实验误差和每组g型与环境相互作用的差异有关，而不是与基因型均值与各自环境指数的协方差有关。

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Influence of the environmental index on the estimation of stability parameters of Eberhart and Russell

The objective of this study was to verify the influence of the environmental index on the analysis and estimates of adaptability and stability parameters, using environmental indices obtained from four genotype groups (A, B, C, and QPM). Data of preliminary maize cultivars trials of Embrapa Maize and Sorghum, were used obtained in the 2000/2001 harvest season in nine environments of the southeast and central-western regions. The interchange of environmental indices did not affect the paramete r estimates and the genotype classification of the four groups equally in relation to their stabilities of yield and response to environments. The cause of this variation is probably more linked to the experimental errors and the differences in the interaction of the g enotypes of each group with the environments than to the covariance of the genotype means with their respective environmental indices.

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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 The article must be unpublished.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.