Forchlorfenuron 처리에 의한 참외의 着果率 向上 및 果實肥大

Forchlorfenuron[1-(2-chlor-4-pyridil) 3-phenylurea, FCF)처리가 참외의 착과 및 과실의 생장에 미치는 영향을 2년간 실험하였다. 무처리(0%)와 4-CPA(85.3%, 개화 당일 100배액)처리에 비하여 FCF 100배액을 개화 전 2일과 개화 당일에 자방에 처리한 것은 97% 이상의 높은 착과율을 보였다. FCF를 처리한 것은 4-CPA처리에 비하여 果長이 길었고 果重이 무거웠으며 果肉의 경도가 높았다. 그러나 당도에는 차이가 없었고, 덩굴과 果梗이 굵었다. The effects of forchlorfenuron [1-(2-chlor-4-pyridil) 3-phenylurea, FCF, trade name Fulmet] application on fruit set and subsequent fruit growth of plasticultured oriental melon (Cucumis melo L. var. makuwa Mak. cv. Geumssaragi-Euincheon) were examined for two years at Seongju-gun, Gyeongbuk, Korea. FCF of 100 time solution was treated on the ovary surface at two days before (BF), the day of (DF) or 2 days after flowering (AF), and also 4-CPA (4-chlorophenoxy acetic acid) of 100 time solution was treated at the day of flowering (full bloom), respectively. Fruit setting of the plants treated with FCF at BF or DF was 97% and higher than those of 4-CPA treatments. Untreated plants gave no fruit set. Fruit length and weight of the FCF treated plants were significantly longer and heavier than those of 4-CPA treatments. Futhermore, fruit firmness was increased by FCF treatment. Fruit sugar content of FCF treated plants was almost the same as the 4-CPA treated ones. The tertiary vines and fruit stalks of the FCF treated plants showed thicker in diameter than those of 4-CPA treated or untreated plants. The FCF treated plants showed no noticeable toxicity symptoms. In conclusion, the results demonstrated that FCF treatment on oriental melon was conducive for improving the fruit set and its quality. KCI Citation Count: 4