휴양경관조성식물의 열내성에 관한 연구Ⅱ -헤데라속 식물의 체표면온도와 재배육성조건을 중심으로-
A Study on the Thermo-resistance of Rercreational landscape plant I I - Interrelations between Plant Surface Temperature, Cultivation Environments and Cold Resistance of GENUS hedera -
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헤데라(Hedera)속 식물의 내한성이, 재배육성조건의 차이에 의해 어느 정도 좌우되는 것인가 하는 점과,식물체의 부위별로 저온감수성의 차이를 밝히기 위하여 적외선써모그라피에 의한 식물체표면온도의 해석을 포함한일련의 생육실험을 행하였다. 결과, 식물의 내한성의 정도, 즉 최저치사온도등은 공기온도로 표시할 것이 아니라,식물체표면온도로 표시함이 바람직하다는 점과 헤데라속 식물의 내한성은 온실, 노지라고 하는 재배환경의 차이나질소분의 과다에 의한 영양조건의 차이에는 별로 좌우되지 않고, 바람과 급격한 기온의 저하에 의해 영향을 받는점, 또한 식물체부위에 따라서도 저온감수성이 상이하다고 시사하였다.
Abstract
Which factors affect to lethal low temperature as cold resistance eg., cultivation environment , nitrogenic nursing as nutritional managements and winter cold wind. Futhermore, hypothesis that each parts of plant will be different to sensitivity respond to low temperature is exemplified by surface thermal property of freezing events and each experimental categories’ temperatures are utilized by IRVT as analyzing apparatus. Lethal low temperature which indicates cold resistance will be reasonable as thermal proper-ty to signalized rather surface temperature than air temperature. And whether cultivation environment that is grown in outdoor, greenhouse or nutritional condition, cold resistance is not variable. However, steeply low temperatures by swirled winter cold wind affected thermal property and made plant surface including leaves and shoot move to necrosis level very clearly. And freezing low temperature and sensitivity of low temperature each parts of plants is different meaningfully.
참고문헌 (18)
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