兼答山西读者贾四喜近年来,由于采收过早、气候影响、密植园树冠郁闭及结果部位遮光等原因,常常导致苹果果实着色不良,影响了其外观品质,降低了经济效益。因此,增色已成为提高苹果质量的一项重要措施。下面介绍几种人工增色的方法。1激素增色法激素增色法应先进行小面积试验,再 In recent years, due to poor harvesting, climatic impacts, canopy closure, and shading of the affected area, Jia Sai-Xi, a reader in Shanxi Province, often causes poor coloring of apple fruit and affects its appearance quality and economic benefits. Therefore, color enhancement has become an important measure to improve the quality of apples. Here are some ways to add artificial colors. A hormone coloring method hormone coloring method should be a small area test, and then