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KMID : 0903619960370060773
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Journal of the Korean Society for Horticultural Science
1996 Volume.37 No. 6 p.773 ~ p.776
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Determination of Minimum Concentration and Dipping Time for Inhibiton of Lateral Root and Growth Stimulation in Soybean Sprouts as Influenced by Benzyladenine
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김영구/Kim, Young Koo
윤도원/최형태/강정길/Yun, Do Won/Choi, Hyung Tae/Kang, Chung Kil
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Abstract
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This investigation was conducted to ascertain the minimum concentration of benzyladenine (BA) and the shortest dipping (imbibing) time needed for both the inhibition of lateral roots and the growth stimulation of soybean (Glycine max Merr. cv. Orial-tae) sprouts. BA at 4ppm for 6hrs dipping significantly reduced the number of lateral roots and resulted in an increase in the diameter in both the hypocotyl and hook of soybean sprouts. The higher concentration of BA also significantly increased the fresh weights of cotyledons and hypocotyl, but it, however, reduced elongation of both the hypocotyl, root and the total length of the plant. Dipping in BA at 4ppm for 6hrs was found to be the most effective treatment for inhibiting the lateral root development and stimulating growth in soybean sprouts. This concentration is a reduction of 90% of active ingredient of Indole-B (IAA 25 ppm + BA 16.7 ppm) which has been used at sprouting time for the growth stimulation of soybean sprouts and for inhibition of lateral root development.
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