五看是:一看品种结果特性:不同的苹果品种坐果率差异很大.疏果时,对坐果率较高的鸡冠、国光等品种应适当多疏;元帅系和祝光等坐果率低的品种,应适当少疏.以免因自然落果较多而造成减产.二看结果量多少:结果最多的大年树必须疏果;对结果量少的小年树可不必疏果.三看树势强弱:对生长势强 Five to see is: A look at the results of the variety of results: different fruit varieties have a great difference in fruit setting. Fruit thinning, fruit setting higher rate of the cockscomb, Guoguang and other varieties should be more appropriate sparse; Marshal and Zhuguang and other fruit setting rate is low Varieties should be appropriate less sparse, so as to avoid more natural fruit drop caused by the cut. Second look at the amount of results: the results of the largest tree must be thinning fruit; fruitless little tree can be thinning fruit. Strength: strong growth potential