‘스위트골드’ 키위에서 과실 성숙기 토양수분 조절에 따른 광합성 및 과실품질의 특성

서지정보

ㆍ발행기관 : 한국국제농업개발학회 ㆍ수록지정보 : 한국국제농업개발학회지 / 35권 / 3호
ㆍ저자명 : 박재홍, 오명협, 고혁상, 송관정

목차

서 언
재료 및 방법
1. 식물재료
2. 토양수분의 처리
3. 광합성 특성의 측정
4. 과실 품질특성의 평가
5. 가용성 당 및 전분 함량의 분석
6. 통계 분석
결과 및 고찰
적 요
ACKNOWLEDGMENTS

영어 초록

Yellow-fleshed "Sweet Gold" kiwifruit on Jeju Island were studied to examine how irrigation and soil moisture control affected changes in photosynthetic traits and fruit quality during fruit maturation (120 to 170 days after full bloom). Concerning photosynthetic characteristics, the photosynthetic rate decreased by 10-19%, stomatal conductance by 24-47%, and transpiration rate by 8-25%, when compared to conventional irrigation, as irrigation was reduced and soil moisture content decreased. Fruit weight showed a tendency to increase until harvest, and while a lower soil moisture content led to a less pronounced increase in fruit weight, this difference was not statistically significant. The dry matter rate exhibited a similar trend to the change in fruit weight. Sugar content demonstrated a continuous increase after 130 days, with lower irrigation amounts resulting in higher levels of sugar content due to decreased soil moisture. The Hue value (h°) exhibited a continuous decrease after 140 days from full bloom, correlating with declining soil moisture content. After 130 days from full bloom, soluble sugar content increased rapidly while starch content gradually decreased after 150 days from full bloom. However, with conventional irrigation, the increase in soluble sugar content tended to be less noticeable. This study confirmed that in yellow-fleshed ‘Sweet Gold’ kiwifruit, managing irrigation and soil moisture reduction during the ripening period can lead to decreased fruit weight but increased dry matter, sugar content, and expression of flesh color, ultimately enhancing fruit quality and expediting ripening.

참고 자료

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