둥굴레의 종자발아에 관여하는 저장기간, 온도 및 프라이밍의 영향
Effect of Storage Duration, Temperature and Priming Treatment on SeedGermination of Polygonatum odoratum var. pluriflorum
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Abstract
- Present experiments are conducted to study the seed viability and optimum germination temperature ofPolygonatum odoratumvar. pluriflorumthat is known to have low germination ability and long germination duration. Toenhance germination rate, various growth regulators and inorganic salts were employed. Low germination rate wasobtained with 4 year old seeds, but not with 1∼2 year old seeds. The seeds germinated very well under 22∼25℃ andgerminated speed was rapid. Especially, 1∼2 year old seeds germinated at 25℃ showed 70∼71.2% germination rate.Priming treatments using GA3, IAA, NAA, kinetin, KNO3, KH2PO4, Ca (NO3)2 were effective compared to controlexcept BA. 1 year old seeds treated with GA3 0.5 mM and IAA 1 mM showed 96% and 93% germination rate,respectively.Key words - Seed viability, PGRs, Auxin, Inorganic salts
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