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자료유형
학술저널
저자정보
Hyun Jin Kim (서울대학교) Hyun Hwan Jung (서울대학교) Ki Sun Kim (서울대학교)
저널정보
한국원예학회 HORTICULTURE ENVIRONMENT and BIOTECHNOLOGY HORTICULTURE ENVIRONMENT and BIOTECHNOLOGY Vol.51 No.6
발행연도
2010.12
수록면
471 - 476 (6page)

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The germination response of the Korean daisy (Aster koraiensis) seeds was evaluated under conditions of low temperature (12℃) to determine the effects of dry storage duration, GA (GA₃ and GA₄??), and priming. The effects of priming on germination at alternating temperatures (8/2, 15/9, 22/16, or 29/23℃) were also investigated. In seeds collected in 2007, the final germination percentage (FGP) of untreated seeds at constant 12℃ was 24, 29, and 37% for 3, 5, and 8 months stored seeds, respectively. However, FGP dramatically increased to 70% after 11 months of dry storage. Similarly, FGP of seeds collected in 2008 was lower than 10% in 1 and 3 months of dry storage, but increased to about 50% after 12 months of dry storage. Both GA₃ and GA₄?? enhanced FGP by 30-40% in seeds that had been stored for 1 month from seed collection in 2008. On the other hand, priming increased FGP to over 50% after even 1 or 3 months of dry storage, and up to almost 80% after 12 months of dry storage. Additionally, priming increased FGP by 18, 23, and 26% at 8/2, 15/6, and 29/23℃, respectively. The mean number of days for 30 or 50% germination of primed seeds at 8/2℃ were over 20 days faster than those of untreated seeds. Therefore, priming is recommended to accelerate the emergence of the Korean daisy seeds when directly seeded under low soil temperature condition in spring.

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Abstract
Introduction
Materials and Methods
Results
Discussion
Acknowledgement
Literature Cited

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UCI(KEPA) : I410-ECN-0101-2012-525-003764360