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Effect of Light Quality During Imbibition and Culture on Growth of Soybean Sprout  

강진호 (경상대학교 농과대학)
박아정 (경상대학교 농과대학)
전병삼 (경상대학교 농과대학)
윤수영 (경상대학교 농과대학)
이상우 (경상대학교 농과대학)
Publication Information
KOREAN JOURNAL OF CROP SCIENCE / v.47, no.6, 2002 , pp. 427-431 More about this Journal
Abstract
Lateral roots of soybean sprout might reduce the quality. The study was done to measure the effect of light quality treated during 24 hour imbibition or 6 day culture on growth and development of soybean sprouts on the 6th day after culture. With the soybean seeds imbibed in 4 ppm benzyladenopurine (BA) solution for last 6 hours of the imbibition, blue and red lights were treated during the imbibition, but during 6 day culture, blue and red or far-red light treatments were done for 50 minutes or 5 hours a day, respectively, the periods taking for their cotyledons to turn green color, On the 6th day after culture, the soybean sprouts were classified by 4 categories on the base of hypocotyl length;＞7cm, 4 to 7cm, ＜4cm and non-germination, and their lateral roots, hypocotyl diameters and fraction dry weights were measured. Blue and red lights treated during the imbibition completely blocked lateral root formation regardless of the lights treated during the culture, and showed nearly the same rate of hypocotyls of longer than 4cm. The period of each light treatment forced during the culture did not influence the growth of soybean sprouts. far-red light treated for 5 hours everyday, however, had the least rate of seed germination and hypocotyls of longer than 7cm of the light quality treatments. In addition, red and far-red lights almost equally having the commercial soybean sprouts of longer than 4cm hypocotyls move elongated and selenderized than blue light and dark treatment, meaning the growth and morphology of soybean sprouts was affected by light treatments during the culture.
Keywords
soybean (Glycine max L.); sprout; light quality; growth; morphology;
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Times Cited By KSCI : 2  (Citation Analysis)
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