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- W57347141 abstract "본 연구에서는 버즈풋 트레포일의 Empire 품종을 이용하여 조직 절편체의 종류 및 식물생장조절물질 첨가가 캘러스로부터 식물체 재분화에 미치는 영향을 조사하였다. 각각의 잎과 줄기 절편체를 배지에 치상한 후 배양한 결과, 모든 처리구에서 5-7일 후부터 캘러스 형성이 시작되었다. 캘러스를 유도함에 있어 첨가되는 auxin류로 NAA를 첨가 우수한 결과가 나타났다. 1 mg/L NAA와 1 mg/L BA가 첨가된 CM4 배지에서 잎 절편체 92%, 줄기 절편체 88%로 가장 높게 나타났으며 잎 절편체 배양하는 것이 더 줄기 절편체를 배양하는 것 보다 더 우수한 결과가 나타났다. 캘러스 배양 6주 후 캘러스로부터 shoot이 유도되기 시작하였으며 잎절편체를 치상하여 배양한 것은 대부분 multiple shoot으로 유도 되었다. 줄기신장 후 뿌리 유도를 위해 2<TEX>$sim$</TEX>3 cm 이상 재분화 식물체의 shoot을 절단하여 1 mg/L IBA 첨가된 처리구에서 배양한 결과, 잎 절편체에서 유도된 shoot에서 98.3%, 줄기 절편체에서 유도된 shoot에서 93.3%로 조사되었다. 또한, 캘러스의 형성 없이 직접 뿌리를 내리고 뿌리의 발달도 잘 되었다. 본 연구를 통하여 확립된 재분화 시스템은 분자육종을 통한 신품종 버즈풋 트레포일의 개발에 유용하게 이용될 수 있을 것이다. Efficient plant regeneration system of birdsfoot trefoil (Lotus corniculatus L.) was development. The factors affecting the somatic embryo formation, its proliferation and regeneration capacity of leaf and stem explants of Empire cultivar was investigated. The highest number of somatic embryos was obtained on B5 medium supplemented with 1 mg/L NAA and 1 mg/L BA. Depending on different explants, highest frequency of embryogenic callus and regeneration were observed in Empire with leaf explants. The response from stem explants was slower and callus induction was less than that from leaf explants. Regenerated shoots formed complete plantlets in on 1/2 MS medium supplemented with 1 mg/L IBA. Regenerated plants were morphologically uniform with normal shape and growth pattern." @default.
- W57347141 created "2016-06-24" @default.
- W57347141 date "2008-09-30" @default.
- W57347141 modified "2023-09-26" @default.
- W57347141 title "Plant Regeneration from Different Explant Types of Birdsfoot Trefoil (Lotus corniculatus L.)" @default.
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- W57347141 doi "https://doi.org/10.5333/kgfs.2008.28.3.171" @default.
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