修正了植物育种亲本系数的计算方法

IF 1.8 4区农林科学 Q2 AGRONOMY

Plant Breeding Pub Date : 2022-08-23 DOI:10.1111/pbr.13071

C. Hernández-Suárez, O. Montesinos-López

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引用次数: 0

摘要

两个个体之间的亲本系数(COP)是其后代近亲交配的预期值。最初由动物育种家利用，现在作为作物改良计划的一部分，是植物育种家的例行计算。这里我们表明，菌株之间的COP需要一个不同的计算方法，而不是用来计算个体之间的COP。如果不这样做，可能会导致对近亲繁殖数量的高估。在这里，我们提供了一种简单的方法来计算菌株之间的亲代系数。

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Revised calculation of the coefficient of parentage in plant breeding

The Coefficient of Parentage (COP) between two individuals is the expected inbreeding of their offspring. Originally exploited by animal breeders, is now a routine calculation among plant breeders as part of crop improvement programs. Here we show that the COP between strains requires a different calculation than the used to calculate the COP between individuals. Failure to do so may result in an overestimation of the amount of inbreeding. Here we provide a simple methodology to calculate the correct coefficient of parentage between strains.

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来源期刊

Plant Breeding 农林科学-农艺学

CiteScore

4.40

自引率

5.00%

发文量

审稿时长

3.0 months

期刊介绍： PLANT BREEDING publishes full-length original manuscripts and review articles on all aspects of plant improvement, breeding methodologies, and genetics to include qualitative and quantitative inheritance and genomics of major crop species. PLANT BREEDING provides readers with cutting-edge information on use of molecular techniques and genomics as they relate to improving gain from selection. Since its subject matter embraces all aspects of crop improvement, its content is sought after by both industry and academia. Fields of interest: Genetics of cultivated plants as well as research in practical plant breeding.