Evaluation of some corn genotypes as a second crop by trait (GT) biplot method | ||
| Egyptian Journal of Agronomy | ||
| Volume 47, Issue 4, December 2025, Pages 851-859 PDF (670.79 K) | ||
| Document Type: Original Article | ||
| DOI: 10.21608/agro.2025.295955.1442 | ||
| Authors | ||
| veysi acıbuca* ; Serap Doğan; yusuf doğan | ||
| Mardin Artuklu University | ||
| Abstract | ||
| It is extremely important to grow more than one product in a production season to obtain the maximum income per unit area. Maize is one of the most suitable crops for the second product. This research was carried out in Tilkitepe village of Artuklu district of Mardin province in the 2021 growing season to determine the second crop conditions in the borders of Mardin province using hybrid cultivars with different characteristics. The study was conducted according to a randomised block design with three replications. The data obtained from the traits investigated in this study were subjected to an analysis of variance and interpreted using the GT biplot technique. Significant differences at the 1% level (p<0.01) were found between the genotypes in terms of the traits studied, except for the protein ratio. In the results of the study; plant height (PH) varied between 209-254 cm, height of first ear (HFC) between 59.4-87.7 cm, ear length (CL) between 17.7-21.7 cm, number of rows on ear (NRC) between 39.2-43.8 pieces, 100 grain weight (100 GW) between 30. 3-43.5 g, cob weight (CW) between 186-254 g, number of grains on the cob (NGC) between 584-696 pieces, hectolitre weight (HW) between 75.1-82.2 kg/hl, protein ratio (PR) 6.6-9.5%, grain yield (GY) between 9629-13220 kg/ha. According to the results and biplot graphs, Dekalb-6050(G39) was the most suitable genotype among the genotypes based on grain yield and traits as a second crop. | ||
| Keywords | ||
| Corn; hybrid; trait; GT; Turkey | ||
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