논문 : 소나무 산지의 개엽시기에 영향을 미치는 기후인자
분야
농학 > 기타(농학)
저자
김인식 ( In Sik Kim ) , 유근옥 ( Keun Ok Ryu ) , 이주환 ( Joo Whan Lee )
발행기관
한국농림기상학회
간행물정보
한국농림기상학회지 2012년, 제14권 제4호, 229~235페이지(총7페이지)
파일형식
0e200745.pdf [무료 PDF 뷰어 다운로드]
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    영문초록
    This study was conducted to investigate the climatic factors affecting bud phenology of Pinus densiflora provenances. Data were collected from Jungseon, Chungju and Jeju plantations which were parts of the 11 provenance trials established by Korea Forest Research Institute in 1996. The 36 provenances were included in this trial (33°30`~38°08` in latitude and 126°30`~129°20` in longitude). The bud swelling date and bud burst date of the provenances were investigated from March to May in 2004 in two-day interval. The four geographic factors and fifteen climatic factors of the test sites and provenances were considered in this study. Canonical correlation analysis was conducted to examine the major factors affecting the bud phenology. Our results suggested that the major factors affecting the timing of bud swelling and burst are the differences in latitude, longitude, extremely low temperature (during December-February), extremely high temperature (during November-February)and annual mean growing days between test plantation and provenance. The provenances with lower winter temperature than that of plantation showed the faster bud swelling and bud burst. Based on these results, the implication on the seed transfer of P. densiflora was discussed.
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