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Dichlorprop, 水酸化칼슘 및 이들의 混用散布가 사과 '쓰가루' 品種의 收穫前落果防止와 果實의 貯臧性에 미치는 影響
卞在均,卞琫龍,張璟浩 영남대학교 자원문제연구소 1990 資源問題硏究 Vol.9 No.-
A study was carried out to know the effects of dichlorprop, calcium hydroxide, and their mixture on the control of preharvest drop and storage potential of apple fruits. In 1988 dichlorprop (40ppm), calcium hydroxide(1%), and their mixture were sprayed 25days before harvest to 6-year old 'Tsugaru' apple trees. Dichlorprop reduced preharvest drop of fruits and fruit firmness at harvest. But, calcium hydroxide reduced preharvest drop of fruits a little, but did not affect fruit firmness at harvest. Although preharvest fruit drop of apples treated with dichlorprop mixed with calcium hydroxide was similar to dichlorprop alone, it delayed fruit ripening and softening at harvest. On the 25th day of storage at 4℃, calcium hydroxide reduced softening effect of dichlrorprop, but not at 20℃