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2016 Vol.25, Issue 4 Preview Page
Evaluation of Thermal Insulation Properties of Covering Materials to Protect Peach Trunks against Freezing Injury

복숭아 주간부 동해 예방을 위한 피복재의 보온성 평가

Hyunsuk Shin1†
,
Seok Kyu Yun1†*
,
In Myung Choi1
,
Sung Jong Kim1
,
Ik Koo Yun1
,
Eun Young Nam1
,
Jung Hyun Kwon1
신 현석1†
,
윤 석규1†*
,
최 인명1
,
김 성종1
,
윤 익구1
,
남 은영1
,
권 정현1
1Fruit Research Division, National Institute of Horticultural & Herbal Science, Wanju 55365, Korea
1농촌진흥청 국립원예특작과학원 과수과

† These authors contributed equally to this work.

*Corresponding author: sky0611@naver.com
30 November 2016. pp. 288-293
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Abstract

The study was performed to evaluate thermal insulation covering materials (TICMs) to protect peach trunks against freezing temperatures in winter season by investigating thermo-physical properties and practical thermal insulation effect of the TICMs which was made of white non-woven fabrics, yellow paper sheets, and waterproof fabric pads. Among the three TICMs, Waterproof fabric pad (double layer) possessed the best performance about thermal insulation rate and thermal resistance among three kinds of TICMs. Day thermal insulation effects of waterproof fabric pad, which prevent from temperature rise on the bark tissues of trunks during the day time, were 14.09°C. Night thermal insulation effects of them, which prevent from temperature decline on the bark tissues of trunks at night time, were 7.23°C. Waterproof fabric pad showed the highest day and night thermal insulation effects. Thus our results suggest that development of TICMs using waterproof fabric pad might be helpful to protect the bark tissues of trunks from freezing injury.

Keywords
cold hardiness
freezing injury
heat insulation
Prunus persica

본 연구는 복숭아 주간부 동해 예방을 위한 피복재 의 보온성을 평가하기 위해 백색부직포, 황색일반지, 방수패드로 만들어진 피복재의 물리적 특성 및 보온성 을 평가하고 실제 겨울철 복숭아 주간부 보온효과를 구명하여 피복재로서의 이용가능성을 검토하기 위해 수행하였다. 세 피복재 중 2겹방수패드 처리가 보온율 과 열저항성이 가장 우수하였다. 2겹방수패드 처리의 주간단열효과는 14.09°C 만큼 온도상승을 차단하였고, 야간보온효과는 7.23°C 만큼 온도하강을 차단하여 보 온효과가 가장 우수함을 확인하였다. 따라서 방수패드 재질을 보온피복재로 개발·보급할 경우 복숭아 주간부 동해 피해를 경감시키는데 도움을 줄 수 있을 것으로 생각되었다.

키워드
내한성
단열
동해
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Information
  • Publisher :The Korean Society for Bio-Environment Control
  • Publisher(Ko) :(사)한국생물환경조절학회
  • Journal Title :Protected Horticulture and Plant Factory
  • Journal Title(Ko) :시설원예ㆍ식물공장
  • Volume : 25
  • No :4
  • Pages :288-293
  • Received Date : 2016-10-10
  • Revised Date : 2016-10-28
  • Accepted Date : 2016-11-17
  • DOI :https://doi.org/10.12791/KSBEC.2016.25.4.288
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