金花苹果是优良的早中熟品种,在宁夏地区采收期为7月下旬。该品种果个较大,丰产性好,风味酸甜适度。果面布大红条纹,色泽艳丽,外形美观,颇受群众欢迎。但缺点是采前落果严重,通常落果率高达64～70％,对产量影响很大。为此,我们进行了喷施萘乙酸防止采前落果的试验,取得了 Golden Apple is an excellent early maturing variety, harvesting in Ningxia in late July. The varieties of fruit larger, high yield, good flavor sweet and sour. Fruit fabric red stripes, beautiful color, beautiful appearance, popular with the masses. However, the disadvantage is that serious deciduous fruit before harvest, usually as high as 64 ~ 70% of fruit drop, a great impact on the yield. To this end, we conducted a test of naphthalene acetic acid to prevent the drop before harvest, obtained