Evaluation of mung bean genotypes (Vigna radiate L. Wilczek) response to sowing date in Dezful region
Subject Areas : crop production
Keywords: Mung bean, Sowing date, Yield, Yield components.,
Abstract :
To study the effect of sowing time on yield and yield components of mung bean genotypes an investigation was carried out during 2007 in Dezful region in complete randomized block design with four replications. Mung bean genotypes were in four levels (V1) VC3-960-8, (V2) NM92, (V3) Gohar and V4 (CN-9-3) and also sowing times were in tree levels (D1) 22 June, (D2) 6 July and (D3) 22 July 2007. Results of mean comparisons showed that the first sowing date (D1) obtained the highest grain yield (2019.7 kg/ha) and biological yield (5286.6 kg/ha) and pods in plant (23) respectively. Results also showed highest thousand kernel weight (60g), number of seeds in pod (10) and harvest index (41%) were obtained in (D3). Further study of the genotypes effects and comparisons of the mean difference of traits showed the highest number of pods in plant (34), number of seeds in pod (12), pod length (9.1 cm), plant height (89.6 cm), grain yield (2362.2 kg/ha), biological yield (6489 kg/ha) obtained in NM92 genotype. NM92 genotype variety yielded a better performance than other genotypes. Results of interaction effects of sowing date and genotypes showed that D1V2 treatment with 2662.2 kg/ha grain yield and 36 pods per plant were the most appropriate. D1V3 treatment with 13 seeds in pod was the best treatments. The overall conclusion being that the first planting date (D1) and NM92 (V2) genotype are better than other genotypes for cultivation of mung bean in Dezful region.
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