“红果88”是陕西杨陵农科城北方园艺所研制的一种新型药剂产品，具有增大果个、促进着色、保护叶片，防治果树早期落叶病、小叶病等功能。可与各类酸性或中性农药混喷。我们在我地区做了如下生产试验。1在苹果树上应用效果试验地选在盖县罗屯乡洪屯村一果园，全园300株12年生 “Hongguo 88” is a new type of medicinal product developed by Northern Horticultural Institute of Yangling Agricultural Science City in Shaanxi Province. It has the functions of increasing fruit, promoting coloration, protecting leaves, controlling early deciduous fruit tree diseases and lobular disease. With all kinds of acidic or neutral pesticide spray. We have done the following production test in my area. 1 in the apple tree application effect test selected in the county of Tuen Mun Hongtun Village an orchard, the park 300 12-year-old