Estimates of genetic parameters in diallelic populations of cotton subjected to water stress-Reference-Cited by-同舟云学术

Estimates of genetic parameters in diallelic populations of cotton subjected to water stress

Published:2020-08 Issue:8 Volume:24 Page:541-546
ISSN:1807-1929
Container-title:Revista Brasileira de Engenharia Agrícola e Ambiental
language:
Short-container-title:Rev. bras. eng. agríc. ambient.

Author:

Vasconcelos Walmir S.¹^ORCID,Santos Roseane C. dos²^ORCID,Vasconcelos Ubieli A. A.³^ORCID,Cavalcanti José J. V.²^ORCID,Farias Francisco J. C.²^ORCID

Affiliation:

1. Universidade Estadual da Paraíba, Brazil

2. Embrapa Algodão, Brazil

3. Universidade Federal de Viçosa, Brazil

Abstract

ABSTRACT The objective of this study was to estimate the general combining ability (GCA) and specific combining ability (SCA) of cotton genotypes subjected to water stress, based on fiber quality traits. Irrigated cotton plants were grown in the dry season in the Northeast region of Brazil and subjected to 23 days without irrigation at the beginning of the flowering stage. GCA and SCA analyses were based on the partial diallel model. Significant differences were found for GCA for all traits, with predominance of additive effects. The crossing between the genotypes FM-966 and CNPA-5M was the most promising hybrid combination, showing great potential for improvements in fiber quality in environments subjected to water stress, such as the Semiarid region of the Northeast of Brazil.

Publisher

FapUNIFESP (SciELO)

Subject

Agronomy and Crop Science,Environmental Engineering

Link

http://www.scielo.br/pdf/rbeaa/v24n8/1807-1929-rbeaa-24-08-0541.pdf

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