Determination of the relations between yield and earliness parameters by correlation and path coefficient analysis in early maturing cotton genotypes

• Published in: Anadolu tarım bilimleri dergisi (Online) Vol. 30; no. 2; p. 154
• Main Authors: Ekinci, Remzi, Basbag, Sema
• Format: Journal Article
• Language: Turkish
• Published: Samsun Ondokuz Mayis University (OMU), Ziraat Fakultesi Kurupelit 01.06.2015
• Subjects: Agricultural production; Cotton; Crop yield; Genotype & phenotype; Genotypes; Growing season; Plant populations; Selective breeding
• ISSN: 1308-8750; 1308-8769
• DOI: 10.7161/anajas.2015.30.2.154-159

The aim of this study was carried out to determine yield and yield parameters of some early maturing cotton genotypes. Experiments were set up in randomized complete block design with three replications at the research area of Dicle University Agricultural Faculty during 2011-2012 growing seasons. In the study, ten early maturing cotton (Gossypium hirsutum L.) genotypes (ADÜ Erkenci, BATEM Erkenci, Berke, Chirpan-632, Dicle-2002, Fantom, NP ÖZBEK100, NMCHBC1/4, OTBAS Erkenci and Paum-15) were used as material. First flowering date, first picking rate, ginning percentage, boll weight, seed cotton yield traits were investigated on genotypes used as material. According to the results, no statistical differences were found among the cotton genotypes. Statistical differences were in terms of first flowering date, first picking rate, ginning percentage, boll weight and seed cotton yield among the cotton genotypes and years x genotype interaction was statistically significant regarding seed cotton yield. Averaging of two years, Chirpan-632 was determined as the earlier variety. In terms of first flowering date compared to the first two annual averages Chirpan-632; in terms of seed yield Berke, Dicle 2002 and Fantom cotton varieties were included in the first and same group. There was statistically significant and positive relationship between first picking percentage and first flowering date (r = 0.6404 **) while negative relationship was between cotton seed yield and first picking rate. Cotton seed yield and boll weight were positively correlated with each other.