참다래 착과 과실의 호흡과 증산속도의 일변화

Change of Diurnal Respiration and Transpiration Rate of Fruits in Kiwifruit during Fruit Growth

  • 한상헌 (제주대학교 생명자원과학대학 생물산업학부)
  • Han Sang-Heon (Faculty of Bioscience and Industry, College of Applied Life Sciences, Jeju National University)
  • 발행 : 2006.09.01

초록

본 연구에서는 1995년의 과실과 1996년 참다래 과실에 있어 착과과실의 호흡과 증산속도의 일변화를 조사했다. 그 속도를 과실의 생육에 따라 약 2주마다 3시간 간격으로 조사했다. 1995년에 과실성숙기의 기온은 9월 19일${\sim}$24일과 10월 14일에 갑자기 $7{\sim}13^{\circ}C$로 떨어졌지만 1996년에는 이러한 이상저온은 없었다. 착과상태의 과실의 증산과 호흡속도는 과실의 생장에 따라 낮은 경향을 나타냈지만 과실의 수확기에 1995년 과실은 1996년 과실보다 높은 증산 및 호흡속도를 나타냈다. 1995년 과실의 수확기의 호흡상승은 그해 9월 중하순과 10월 중순경의 3차례의 초가을 저온 상태의 지속과 일교차 의한 저온 stress의 가중으로 호흡이 상승되었다고 생각이 되었다.

The objective of this study is to investigate change in diurnal respiration and transpiration of the fruits of kiwifruit during fruit growth. Three-hourly fruit transpiration and respiration rate were measured by a chamber technique. Results showed a tendency of higher transpiration and respiration in at maturation to commercial harvest period in 1995 fruit than in 1996 fruit. Fruit respiration rates were very similar to the transpiration rates. The air temperature record for the fruit maturation period in 1996 showed a sudden drop on September $19{\sim}24$ and October 14 down to $7{\sim}13^{\circ}C$. These results suggest that abnormal fruit transpiration and respiration rate in the fruit maturation period might be influenced by the air temperature.

키워드

참고문헌

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