한국농림기상학회지, 제 13권 제1호(2011) (pISSN 1229-5671, eISSN 2288-1859)
Korean Journal of Agricultural and Forest Meteorology, Vol. 13, No. 1, (2011), pp. 1~9
DOI: 10.5532/KJAFM.2011.13.1.001
ⓒ Author(s) 2014. CC Attribution 3.0 License.


지표면 멀칭재료가 지온과 사과나무 묘목의
수체생육에 미치는 영향

사공동훈(1,3), 이수진(2), 한수곤(3), 윤태명(3)
(1)농촌진흥청 국립원예특작과학원 사과시험장, (2)경남 거창군 농업기술센터,
(3)경북대학교 농업생명과학대학 원예학과

(2010년 10월 18일 접수; 2011년 02월 23일 수정; 2011년 03월 11일 수락)

The Influence of Materials for Surface Mulching on Soil Temperature
and Vegetative Growth of Apple Nursery Trees

Dong-Hoon Sagong(1,3), Su-Jin Lee(2), Su-Gon Han(3), Tae-Myung Yoon(3)
(1)Apple Research Station, National Institute of Horticultural & Herbal Science, R.D.A., Gunwi 716-812, Korea
(2)Gyeongnam Geochang Agricultural Technology Center, Geochang 670-807, Korea
(3)Department of Horticulture, Kyungpook National University, Daegu 702-701, Korea

(Received October 18, 2010; Revised February 23, 2011; Accepted March 11, 2011)

ABSTRACT
This study was conducted to investigate the influence of different polyethylene film (P.E. film) for mulching on the changes in soil temperature and the production of good feathered apple nursery trees. M.9 rootstocks with stem diameter of 9.1~11.0 mm were planted in plots covered with different P.E. film (i.e., transparent P.E. film, black P.E. film, and bare soil as control). Three weeks after planting, the rootstocks were veneer grafted with ‘Sinano Sweet’ apple cultivar. In the middle of June, BA was sprayed to nursery for inducing feathering during the growing season. The soil temperature of the control was higher than air temperature by about 0.7oC from mid April to early October, and that of P.E. film mulching was about 1~5oC higher than that of the control. The soil temperature under transparent P.E. film was about 2~3oC higher than that under black P.E. film. The diurnal range of soil temperature under the black P. E. film was lowest among all treatments. The P.E. film mulching induced better tree growth and feathering than bare soil. Percentage of good feathering apple nursery of black P.E. film was highest among all treatments because the soil temperature unuder black P.E. film in the early growing season was higher than that of the control and the number of days when the maximum soil temperature was over 35oC in the summer was lower than that under the transparent P.E. film.

Keyword: Air temperature, Diurnal range, Feathering, Light intensity, Malus domestica borkh., Rainfall

MAIN

적요

본 실험은 멀칭용 P.E 필름 종류에 따른 지온변화가 사과 우량 측지묘 생산에 미치는 영향을 구명하고자 실시하였다. 투명 P.E. 필름, 흑색 P.E. 필름 피복구와 대조구로 무피복구를 두고 대목 직경이 9.1~11.0mm인 M.9 대목을 재식하였다. 대목 재식 3주 후에 사과 ‘시나노 스위트’ 품종을 절접하였으며, 6월 중순에는 재식 당년 측지발생을 유도하기 위하여 묘목에 BA를 살포하였다. 생육기인 4월 중순부터 11월 초순까지의 대조구의 지온은 기온보다 약 0.7oC 정도 높았고, 피복구의 지온은 대조구보다 약 1~5oC 정도 높았다. P.E. 필름 종류별 지온은 투명 P.E. 필름 피복구가 흑색 P.E. 필름 피복구보다 약 2~3oC 정도 높았다. 기상요소에 따른 지온의 일교차는 흑색 P.E. 필름 피복구가 시험구중 가장 낮았다. 사과 묘목의 생장과 측지 발달에 있어서는 피복구가 무피복구보다 생장이 양호하였다. 우량 측지묘 획득률은 흑색 P.E. 필름피복구가 가장 높았는데, 그 이유는 생육초기 지온이 대조구보다 높게 유지되면서 여름철에 지온이 35oC를 넘은 적이 투명 P.E. 필름 피복구보다 많지 않았기 때문으로 추정되었다.

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