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Heat-shock에 의한 allelopathic potential을 가진 벼 Kouketsumochi의 allelopathic 효과증대 원문보기
Increase of allelopathic potential of potent allelopathic rice(Kouketsumochi) by heat-shock treatment

  • 저자

    박 정수

  • 학위수여기관

    慶北大學校

  • 학위구분

    국내석사

  • 학과

    농학과 식물자원학전공

  • 지도교수

  • 발행년도

    2005

  • 총페이지

    18 p.

  • 키워드

    Heat-shock Kouketsumochi;

  • 언어

    kor

  • 원문 URL

    http://www.riss.kr/link?id=T10049397&outLink=K  

  • 초록

    Heat-shock treatment to Kouketsumochi known as a high allelopathic rice high cultivar and Lemont known as a low allelopathic cultivar increased allelopathic effects on barnyardgrass growth. Root exudates of Kouketsumochi and Lemont after heat-shock treatment inhibited 44.4% and 23.8% of shoot growth, 38.8% and 15.2% of root growth, 54.7% and 29.6% of dry weight of barnyardgrass, respectively. Several compounds such as tetradecanoic acid, n-hexadecanoic acid and octadecanoic acid were detected in both Kouketsu1)mochi and Lemont with or without heat-shock treatment by GC/MS. In Kouketsumochi, heat-shock treatment showed about 9-fold increase of n-hexadecanoic acid, about 5-fold increase of octadecanoic acid, about 3-fold increase of bis(2-ethylhexyl) phthalate and di-(2-ethylhexyl) phthalate in terms of peak area in chromatogram. The remarkable increase of some existing compounds with newly induced compounds by heat-shock treatment such as 1,2-benzenedicarboxylic acid, phenol acetate, glycoside, pentadecanoic acid, DL-alanine which were not present in the untreated Kouketsumochi, might be all together responsible for inhibitory effects on the growth of barnyardgrass.


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