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Ethephon 수상처리가 참다래 과실의 숙기 및 품질에 미치는 영향
나양기,조혜성,임경호,김월수 전남대학교 농업과학기술연구소 2000 農業科學技術硏究 Vol.35 No.-
This experiment was carried out to investigate the effects of overhead irrigation of Ethrel on after-ripening of kiwi fruit, and to improve marketability and decrease operating cost as to ripen kiwi fruit at the stage of consumption. In 1994, the eight-year-old Hayward which were planted in farm field at Haenam Okchen were treated with 100ppm, 150ppm and 200ppm overhead irrigation of ethephon on September 25, September 30 and October 5 respectively. In 1995, the nine-year-old Hayward which were planted in windbreak net house at Moonlae Haenam were treated with 40, 70 and 100ppm overhead irrigation of Ethephon on October 5, October 10 and October 15 respectively. As the result of at 10 and 20 days after treatment, in 1994, the firmness was much low as to show 0.8 to 0.95kg at 10 days after treatment, 0.2 to 0.33kg at 20 days after treatment. And sduble solid content was 10.6 to 11.7˚ Bx and abscission rate was 10.3 to 35.9%. Therefore, the marketability were tended to be showed low. In 1995, as that firmness was 3.2 to 3.7kg, last soluble solid content after harvesting was 13.8 to 14.0˚ Bx and abscission rate was 0%, there was no problems in marketability and marketing. Therefore, this results were demonstrated that the treatment after October 10 in 70 to 100ppm ethephon can be improved marketability and marketing of kiwifruit.