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KMID : 0903619800210020126
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Journal of the Korean Society for Horticultural Science
1980 Volume.21 No. 2 p.126 ~ p.134
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Seasonal Influence on Yield , its Components and Maturity in Mungbean (vigna radiata)
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Abstract
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Ten mungbean (Vigna radiata) cultivars originated from 5 countries were evaluated for yield, yield components and maturity in three plantings (March, July and September) in each of the three years since 1976 at the Asian Vegetable Research and Development Center (23°N). The strong cultivar × environment (either year or season, or both) interactions for all characters studied indicated that careful and extensive use of multilocational testing will be necessary in any mungbean improvement programs. The results also indicate that selection of season is most critical for successful mungbean farming. Mungbean appears to be a thermo-sensitive crop which flourishes in hot weather. Summer yields averaged 1.8t/㏊ in 68 days while spring and fall trials yielded 1.3t/㏊ in 80 days and 1.1t/㏊ in 82 days, respectively. Summer mungbean produced significantly taller, more pods/plant and seeds/pod with smaller seeds. Correlation of yield with other characters greatly varied with environments. As an overall average (10 cultivars × 3 seasons × 3 years × 4 reps), mungbean produced 1.37t/㏊ in 77 days with 18 pods/plant, 11 seeds/pod, 52 gr/1000 seeds, and 55㎝ in plant height.
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