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Effects of Aeration Period and Temperature after Imbibition on Growth of Mungbean Sprouts  

Kang Jin Ho (Research Institute of Life Sci., Gyeongsang Natl. Univ.)
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.)
Cho Sook Hyon (Gyeongnam Agricultural Research & Extension Services)
Publication Information
KOREAN JOURNAL OF CROP SCIENCE / v.49, no.6, 2004 , pp. 472-476 More about this Journal
Abstract
Lateral roots formed on mungbean sprouts should lower their quality. The study was carried out to clarify the effects of aeration periods (AP; 1, 2, 3, and 4 hours) and temperature (AT; 20, 30, and $40^{\circ}C$) after 5 hour seed imbibition into 50 ppm benzyladenopurine (BA) solution on growth and morphological characters of mungbean (cv. Keumseongnogdu, Owoolnogdu and Zhong Lu 1) sprouts. On the 6th day, the mungbean sprouts were sorted by 4 categories on the base of hypocotyl lengths; > 7cm, 4 to 7cm, < 4cm, and non-germination to calculate their composition rates, number of lateral roots, lengths of hypocotyl and root, diameters at middle and upper parts of hypocotyl, fraction fresh and dry weights were measured. AP more affected growth of the cultivars than AT showing little effect on them. In the composition rate of the above 4 categories, cv. Zhong Lu 1 had the highest rate in longer than 7cm but nearly the same rate in AP treatments. Rates of longer than 4cm hypocotyls in cv. Keumseongnogdu, Owoolnogdu were increased with longer AP but their rates of shorter than 4cm showed reverse response to the former. Formation rate and number of lateral roots per sprout were decreased with longer AP, showing more severe decrement when delayed 3 to 4 hour AP. Upper part of hypocotyls and roots were more thickened and shortened in longer AP, respectively. Total fresh weights had no significant difference between AP treatments while hypocotyl fresh weights were increased with longer AP. It was concluded that in mungbean sprout culture aeration from BA treatment to the first watering permitted at least 4 hours.
Keywords
mungbean (Vigna radiata (L.) Wilczek) sprout; aeration temperature; aeration period; growth; morphological characters;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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