期刊名称:Revista Brasileira de Engenharia Agrícola e Ambiental
印刷版ISSN:1415-4366
电子版ISSN:1807-1929
出版年度:2020
卷号:24
期号:8
页码:541-546
DOI:10.1590/1807-1929/agriambi.v24n8p541-546
出版社:Departamento de Engenharia Agrícola - UFCG / Cnpq
摘要: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.
关键词:Gossypium hirsutum L.;capacidade de combinação;tolerância à seca