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Effect of Benzyladenopurine Concentration in Soaking Solution on Growth of Mungbean Sprouts  

Kang Jin Ho (Research Institute of Life Sci., Gyeongsang Natl. University)
Ryu Yeong Seop (College of Agriculture & Life Sci., Gyeongsang Natl. Univ.)
Yoon Soo Young (College of Agriculture & Life Sci., Gyeongsang Natl. Univ.)
Jeon Seung Ho (College of Agriculture & Life Sci., Gyeongsang Natl. Univ.)
Kim Seung Rack (College of Agriculture & Life Sci., Gyeongsang Natl. Univ.)
Publication Information
KOREAN JOURNAL OF CROP SCIENCE / v.49, no.6, 2004 , pp. 482-486 More about this Journal
Abstract
Benzyladenopurine (BA), a synthetic chemical commonly used for bean sprout culture, should be minimized for wellbeing foods or not be applied. The study was done to check the effect of different BA concentrations treated during 5 hour imbibition on growth and morphological characters of mungbean sprouts. The mungbean seeds of 3 cultivars (Keumseongnogdu, Owoolnogdu, and Zhong Lu 1) were imbibed for 5 hours in the solutions with different BA concentrations (0, 25, 50, 75, and 100 ppm) before 3 hour aeration. On the 6th day after culture, the mungbean sprouts were classified by 4 categories on the base of hypocotyl length; > 7cm, 4 to 7cm, < 4cm, and non-germination, and their morphological characters, fresh and dry weights were measured. Regardless of cultivars the composition rate of hypocotyls of longer than 7cm was decreased with increased BA concentration over 50 ppm while the reverse result was true in the rate of shorter than 4cm. In the rate of 4 to 7cm. cv. Owoolnogdu showed the highest rate in its 50 ppm concentration although cv. Keumseongnogdu and Zhong Lu 1 showed similar result to the above two rates. Formation rate and its number of lateral roots were largely changed around 50 ppm concentration but the roots was not formed in over its 75 ppm concentration. Hypocotyl and root lengths of all the cultivars were shortened with increased BA concentration. In the diameter of middle part of hypocotyl, 3 cultivars showed nearly the same responses as the rate of 4 to 7cm hypocotyls. Hypocotyl and total fresh weights per sprout were heavier in BA treated sprouts than in no treated ones but the weights of the former sprouts were not influenced by its different concentrations.
Keywords
mungbean (Vigna radiata (L.) Wilczek) sprout; BA concentration; growth; morphological characters;
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Times Cited By KSCI : 5  (Citation Analysis)
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