Effect of Seed Size on Growth, Yield and Seed Quality of Jack Bean (Canavalia ensiformis (L.))
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Abstract
This research aimed to investigate the effect of seed size on growth, yield and seed quality of Jack beans cultivated in field conditions. The experiment was conducted at Faculty of Natural Resources and Agro-Industry, Kasetsart University Chalermphrakiat Sakonnakhon Province Campus. The experimental design was Randomized Complete Block Design (RCBD) with 3 replications and 3 treatments, and consisted of 3 different seed sizes of Jack bean (small, medium and large). The results indicated that seed size had no significant effect on growth (plant height, leaf number and weight of canopy). However, statistically significant differences (P<0.05) were found in fresh and dry biomass yields, whereas large seed size had the highest biomass yield without significant difference from seed yield. The 3 sizes of jack bean gave an average seed yield of 402.07 kg/rai. In term of seed quality, it was found that all 3 sizes of jack beans seed had no significant effect on physical quality and physiological quality in both standard germinations, germination index and a number of days used for germination. However, seed sizes had a significant effect on seedling biomass weight. The large seed had the highest weight (0.62 g/plant). Therefore, this study concluded that the three seed sizes (small, medium, and large) did not affect the growth, yield and seed quality of jack beans although the large size seed had the highest biomass yield.
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King Mongkut's Agricultural Journal
References
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