Abstract
우리나라 참다래 주요 재배지인 전남과 경남 그리고 제주지역의 16개 포장에서 임의로 수집한 1600개 참다래 과실의 평균 저장병 발병율은 32.0%로 나타났지만, 저장병 발병율은 수확한 과수원에 따라서 5%에서 68%까지 다양했다. 저장병에 걸린 참다래 과실 중에서 15.4%가 외부 병징, 68.4%가 내부 병징을 나타내었고, 외부와 내부 모두에 병징을 나타내는 것은 16.2%였다. 저장병에 걸린 과실들에서 병원균의 검출율은 분리한 지역에 따라 차이가 있었으며, Botryosphaeria dothidea가 83.3%, Diaporthe actinidiae는 11.9%, Botrytis cinerea가 1.4%의 검출율을 보여 주요 저장병원균으로 밝혀졌다. 참다래 주요 저장병원균으로 확인된 B. dothidea와 D. actinidiae에 의해 발생하는 참다래 주요 저장병을 과실에 나타난 각 병징과 각 병원균들의 특성을 고려하여 과숙썩음병과 과실꼭지썩음병으로 각각 구분하여 명명하고자 한다. Sixteen hundred fruits were randomly collected from 16 kiwifruit (Actinidia deliciosa) orchards in Jeonnam, Gyeongnam and Jejn provinces in Korea in 2000 and incidences of postharvest fruit rots were examined. The overall disease incidence was 32% and varied much with locations of orchards ranging from 5 to 68%. The percentages of kiwifruits showing internal, external, and both internal and external symptoms were 21.9%, 4.9%, and 5.2%, respectively. Several fungi were isolated from rotten fruits; Botryosphaeria dothidea, Diaporthe actinidiae and Botrytis cinerea were the major pathogens with the average isolation rates of 83.3%, 11.9% and 1.4%, respectively. Based on the symptoms on kiwifruits and the characteristics, the postharvest fruit rots caused by B. dothidea and D. actinidiae are suggested to be named as ripe rots and stem-end rots, respectively.
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