한국농림기상학회지, 제 6권 제3호(2004) (pISSN 1229-5671, eISSN 2288-1859)
Korean Journal of Agricultural and Forest Meteorology, Vol. 6, No. 3, (2004), pp. 183~189
ⓒ Author(s) 2014. CC Attribution 3.0 License.


저장기간에 따른 3개 수종의 종자 및 발아 특성 변화

한심희, 김찬수, 장석성, 이현주, 탁우식
국립산림과학원 산림유전지원부

(2004년 02월 18일 접수; 2004년 07월 28일 수락)

Changes in the Seed Characters and Germination Properties of
Three Tree Species at Different Storage Time

Sim-Hee Han, Chan-Soo Kim, Suk-Seong Jang, Hyun-Ju Lee, Woo-Sik Tak
Department of Forest Genetic Resources, Korea Forest Research Institute, Suwon 441-350, Korea

(Received February 18, 2004; Accepted July 28, 2004)

ABSTRACT
This study was conducted to examine the changes in the seed physical characters and germinative properties of three tree species at three different storage times in order to determine the most suitable storage time and condition. Seed physical characters and germinative properties were examined from seeds of Fraxinus rhynchophylla, Zanthoxylum schinifolium and Staphylea bumalda that were stored at -18C for 1, 3 and 10 years, and the growth performance and physiological characters of their seedlings were analyzed. Seed physical characters and germinative properties showed significant differences between three storage times as well as three tree species. Seed moisture content of F rhynchophylla and S. bumalda and seed fresh weight of Z. schinifolium decreased with increase of storage time. Storage time represented negative correlation with moisture content and fresh weight (r = -0.822, P<0.01). Seed percent germination of Z. schinifolium and S. bumalda stored for 3 and 10 years decreased less than 15% and 10.7% respectively. Mean germination times for seed of F. rhynchophylla, Z. schinifolium and S. bumalda were delayed 11.9, 5.7 and 9.7 days after a storage time of 10 years, respectively. However the growth and viability of seedlings didn't show a special pattern for storage time and tree species.

Keyword: moisture content, physiological character, percent germination, mean germination time, viability

MAIN

적요

저장 기간이 서로 다른 종자들을 대상으로 저장 기간에 따른 종자 특성 및 발아특성 변호를 조사하고, 적정 저장 기간 및 저장 조건을 찾고자 실시하였다. 물푸레나무, 산초나무 및 고추나무의 종자는 −18oC에서 1년, 3년, 10년간 저장된 것을 이용하였으며, 수종별 종자 및 발아 특성과 유묘의 생장 및 생리적 특성을 조사하였다.
3개 수종의 종자 및 발아 특성은 저장 기간 및 수종별 차이를 뚜렷하게 보여주었다. 물푸레나무와 고추나무 종자의 수분함량은 저장기간이 길어지면서 감소하는 경향을 나타냈다. 또한 종자의 무게도 저장기간 이 길어지면서 감소하였는데, 특히 산초나무의 10년간 저장 종자의 생중량 감소가 뚜렷하였으며, 충실율도 10년간 저장 후 크게 낮아졌다. 저장기간은 물푸레니 무 및 고추나무 종자의 수분함량 또는 고추나무 종자의 생중량과 부의 상관(r = −0.822, p<0.01) 을 나타냈다. 3년 이상 저장된 산초나무 종자의 발아율은 15% 이하로 감소하였으며, 3년간 저장된 고추나무 종자의 발아율은 10.7% 이하로 급격히 하락하였다. 또한 평균발아소요일수는 종자 저장기간이 길어지면서 증가하였는데, 10 년간 저장된 물푸레나무, 산초나무 및 고추나무 종자의 평균발아소요일수는 11.9일, 5.7일, 9.7일 씩 각각 증가하였다. 물푸레나무와 고추나무 종자의 평균발아소요일수는 수분함량과 부의상관을 보여주었으며, 저장기간과는 정의 상관을 보였다. 그러나 종자의 저장기간에 따른 유묘의 생장 및 활력 차이는 일정한 경향을 나타내지 않았다.

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