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以长富2号苹果为试材,用植物生长调节剂和叶面肥配置了4种配方,通过4年在开花期喷施4种配方,结果表明,4种配方不仅可以显著提高红富士苹果花序坐果率和花朵坐果率,尤其是在遇到冷害、霜冻或阴雨寡照年份效果更为突出,而且可以显著提高红富士苹果果形指数和光洁度、减少果面水裂纹、增加单果重;配方不同效果不同,以PF4效果最显著。
Taking Changfu No.2 apple as test material, four kinds of prescriptions were arranged with plant growth regulators and foliar fertilizers, and four kinds of formulas were sprayed at flowering stage through four years. The results showed that four kinds of prescriptions not only can significantly improve Red Fuji apple Inflorescence fruit setting rate and flower setting rate are more prominent especially in chilling injury, frost or rainy season, and can significantly improve fruit shape index and finish of Red Fuji apple, reduce fruit water cracks and increase fruit weight; formula is different Different effects, the most significant effect with PF4.