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Effects of Water-soaking and Mechanical and Chemical Scarifications on Seed germination of Hairy Vetch (Vicia villosa Roth)
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 Title & Authors
Effects of Water-soaking and Mechanical and Chemical Scarifications on Seed germination of Hairy Vetch (Vicia villosa Roth)
Kim, Min-Tae; Lee, Yong-Hwan; Jeon, Weon-Tai; Kim, Sook Jin; Yun, Da-Hae; Ku, Ja-Hwan; Song, Hana; Lee, Hyeon Bok; Seo, Myung Chul; Kang, Hang-Won;
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Seed coat of hairy vetch is very thick and hard, and difficult to absorb water during germination. It requires much time that cotyledon comes out from seed coat. Therefore this experiment was carried out to increase the germination rate by enhancing water absorption through water-soaking of seed, chemical scarification by sulfuric acid, and mechanical scarification on seed coat. Water-soaking for 5 hours seemed to be highly effective in enhancing germination rate. Although not significant, water-soaking resulted in increase of germination rate by 9%. Effect of soaking temperature was not significant, but early germination rate was increased to be 5.0%, 31.7% and 48.3% at , and , respectively. Mechanical scarification of seed coat led to a germination rate of 97% whereas intact seed showed that of 65%. Chemical scarification by sulfuric acid for 10min, 20min and 30min resulted in a germination rate of 76.7%, 74.7% and 96.0% respectively. It is clear that scarification increased germination rate.
Hairy vetch;Seed soaking;Scarification;Seed germination;
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