Journal of the Korean Society of Tobacco Science (한국연초학회지)

The Korean Society of Tobacco Science (한국연초학회)
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The Water Content and Treatment Period of SMP for Enhanced Seedling Emergence in Tobacco Seeds.

담배 종자의 입묘율 향상을 위한 SMP 수분함량과 처리기간

  • 김영신 (충북대학교 연초학과, KT&G 중앙연구원) ;
  • 신승구 (KT&G 중앙연구원) ;
  • 백기현 (KT&G 중앙연구원) ;
  • 신주식 (충북대학교 연초학과, KT&G 중앙연구원)
  • Published : 2002.12.01
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Abstract

The purposes of this study are to investigate water content and treatment period in Solid Matrix Priming(SMP; method for enhanced rapid and uniform seedling emergence in tobacco seeds). The higher water content made the faster imbibition speed of tobacco seed. But the radicle emergence shorten the period of water equilibrium. The range of water content in SMP treatment within the limits of no radicle emergence of tobacco seed was 28∼32% to dry weight of tobacco seed. The rate of radicle emergence and seedling emergence was higher in water content 30% and 40% treatment plot than that in 50% and 60% treatment plot. But it was not different between SMP treatment and non-SMP treatment. In water content 40% during 9 days treatment, germinative energy was highest, and T50 and mean germination time(MGT) were the shortest. The germination speed was higher in SMP treatment than that in non-SMP treatment. It was not different on the germination rate between non-SMP treatment and SMP treatment.

Keywords

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