PHENOTYPIC ADAPTABILITY OF COTTON GENOTYPES TO THE BRAZILIAN CERRADO FOR YIELD AND FIBER QUALITY

被引：2
作者：
Cotrim, Mayara Favero [1 ]
Correa Farias, Francisco Jose [2 ]
de Carvalho, Luiz Paulo [2 ]
Ribeiro Teodoro, Larissa Pereira [1 ]
da Silva Junior, Carlos Antonio [3 ]
Teodoro, Paulo Eduardo [1 ]
机构：
[1] Univ Fed Mato Grosso do Sul UFMS, Chapadao Do Sul, MS, Brazil
[2] Embrapa Algodao, Campina Grande, Paraiba, Brazil
[3] Univ Estado Mato Grosso UNEMAT, Sinop, MT, Brazil
来源：
BIOSCIENCE JOURNAL | 2020年 / 36卷 / 04期
关键词：
Gossypium hirsutum; Adaptability and stability; Plant breeding; STABILITY; CULTIVARS;
D O I：
10.14393/BJ-v36n4a2020-48148
中图分类号：
S [农业科学];
学科分类号：
09 ;
摘要：
Studies on the adaptability and stability are fundamental for plant breeding as they are an alternative to reduce the effects of genotypes x environments interaction (GxE). Moreover, they help identify cultivars with predictable behavior, which are responsive to environmental improvements, subsidizing cultivar recommendation. This study aimed to evaluate the genotypes x environments interaction in cotton genotypes grown in the Brazilian Cerrado and identify genotypes for favorable and unfavorable environments. During the 2013/2014 and 2014/2015 seasons, 19 competition trials were carried out with cotton in a randomized block design, with 12 treatments, and four replications. The traits cotton seed yield, fiber percentage, fiber length, and fiber strength were evaluated. Results revealed significant GxE interaction for all the fiber traits evaluated. Genotype BRS 369 RF revealed general adaptability and high predictability for the fiber traits evaluated.
引用
收藏
页码：1223 / 1230
页数：8
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