Determination of the optimal number of evaluations in half-sib progenies of kale by Bayesian approach

被引：4

作者：

Azevedo, Alcinei M. ^{[1
]}

da Silva, Derly Jose H. ^{[2
]}

Seus, Rogerio ^{[2
]}

de Freitas, Elis Marina ^{[2
]}

Afonso, Daniel F. ^{[2
]}

Gomes, Cristiane L. ^{[2
]}

Aspiazu, Ignacio ^{[3
]}

机构：

[1] Univ Fed Minas Gerais, Inst Ciencias Agr UFMG, Montes Claros, MG, Brazil

[2] Univ Fed Vicosa UFV, Vicosa, MG, Brazil

[3] Univ Estadual Montes Claros UNIMONTES, Janauba, MG, Brazil

来源：

HORTICULTURA BRASILEIRA | 2021年 / 39卷 / 01期

关键词：

Brassica oleracea var. acephala; repeatability; genetic improvement; production of leaves; BRASSICA-OLERACEAE; REPEATABILITY; ANTIOXIDANT; PARAMETERS; SELECTION;

D O I：

10.1590/s0102-0536-20210103

中图分类号：

S6 [园艺];

学科分类号：

0902 ;

摘要：

Kale has a long vegetative cycle, requiring a lot of labor, due to the need for tutoring, thinning and multiple harvests, leading to difficulties in the maintenance and evaluation of experiments. Thus, the objective was to estimate the minimum number of evaluations for the assertive selection of half-sib progenies of kale by means of a repeatability study by Bayesian approach. Twenty four half-sib progenies were evaluated in a randomized block design with four replicates and five plants per plot. The number of shoots, number of marketable leaves, fresh mass of marketable leaves and fresh mass per leaf were measured throughout 15 harvests. All traits showed high estimates of the repeatability, indicating high regularity in the expression of the traits during the harvesting period. With eight harvests it is possible to evaluate all the traits with a coefficient of determination superior to 85% in half-sib progenies of kale.

引用

页码：20 / 25

页数：6

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