Correlations between agronomic characters in garlic

IF 0.7 4区农林科学 Q3 AGRICULTURE, MULTIDISCIPLINARY

Pesquisa Agropecuaria Brasileira Pub Date : 2022-01-01 DOI:10.1590/s1678-3921.pab2022.v57.02603

Marcelo Augusto Vieira Santos, V. C. A. Andrade Júnior, A. G. Guimarães, O. G. Brito, Antônio Jorge Viegas Taula, Rogers Augusto Costa, João Pedro Rocha Alves, Natália Oliveira Silva, F. V. Resende

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引用次数: 1

Abstract

Abstract The objective of this work was to evaluate the phenotypic correlations between agronomic characters of garlic (Allium sativum) and to carry out the path analysis, using commercial bulb yield as the main character. The experiment was conducted under field conditions in two harvests (2018 and 2019) in the municipality of Diamantina, in the state of Minas Gerais, Brazil. A total of 13 garlic genotypes were evaluated, of which 11 were experimental and 2 were commercial cultivars. The experimental design used was randomized complete blocks with four replicates. Characters related to plant biometry and bulb yield were evaluated. The phenotypic correlations and the path analysis of the studied characters were carried out. The phenotypic correlations that showed significant positive effects occurred between commercial bulb yield and plant height, bulb diameter, number of commercial bulbs, mean total bulb mass, mean commercial bulb mass, total bulb yield, and number of bulbils per bulb. However, only number of commercial bulbs and bulb diameter had significant effects (direct and indirect) on commercial bulb yield. Therefore, in genotype genetic breeding programs in the studied region, selection should seek a larger diameter of bulbs and a higher number of commercial bulbs to increase commercial yield.

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大蒜农艺性状的相关性研究

摘要以大蒜(Allium sativum)商品鳞茎产量为主要性状，评价其农艺性状间的表型相关性，并进行通径分析。该试验在巴西米纳斯吉拉斯州迪亚曼蒂纳市的两个收获季节(2018年和2019年)的田间条件下进行。共鉴定了13个大蒜基因型，其中11个为试验品种，2个为商品品种。试验设计为完全随机区组，设4个重复。对植株生物计量学和鳞茎产量等性状进行了评价。对所研究性状进行表型相关和通径分析。商品鳞茎产量与株高、鳞茎直径、商品鳞茎数、平均总鳞茎质量、平均商品鳞茎质量、总鳞茎产量和每鳞茎鳞茎数呈显著正相关。然而，只有商品球茎数量和球茎直径对商品球茎产量有显著影响(直接和间接)。因此，在研究区域的基因型遗传育种计划中，应寻求更大的鳞茎直径和更多的商品鳞茎，以提高商品产量。

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来源期刊

Pesquisa Agropecuaria Brasileira 农林科学-农业综合

CiteScore

1.20

自引率

0.00%

发文量

审稿时长

9-18 weeks

期刊介绍： Pesquisa Agropecuária Brasileira – PAB – is issued monthly by Empresa Brasileira de Pesquisa Agropecuária – EMBRAPA, affiliated to Ministry of Agriculture, Livestock and Food Supply. PAB publishes original scientific-technological articles on Plant Physiology, Plant Pathology, Crop Science, Genetics, Soil Science, Food Technology and Animal Science. Its abbreviated title is Pesq. agropec. bras., and it should be used in bibliographies, footnotes, references and bibliographic strips.