研究了多效唑、乙烯利、光敏素、NAA、B9、6-BA、着色宝、蔗糖、半乳糖、葡萄糖、增糖剂等 1 1种生长调节剂和营养剂对妃子笑荔枝果色及营养品质的影响。结果表明 :多效唑、乙烯利、光敏素、NAA及各种糖营养剂均可不同程度地促进果实着色 ,其中光敏素处理达显著水平 ;B9、着色宝对果实着色影响不明显 ,6-BA显著迟滞果实着色。各种处理对果实含糖量略有影响 ,对可溶性固形物及果重影响不大 ,可明显提高果实维生素C含量 The effects of paclobutrazol, ethephon, phototropin, NAA, B9,6-BA, pigmentation, sucrose, galactose, glucose and sugar enhancers on the fruit color and nutritional quality of litchi Impact. The results showed that: paclobutrazol, ethephon, phototropin, NAA and various sugar nutrients can promote fruit coloration to varying degrees, of which phototropin treatment reached a significant level; B9, colored treasure on fruit coloring was not obvious, 6-BA significantly Hysteresis fruit coloring. Various treatments slightly affected the sugar content of fruit, soluble solids and fruit weight had little effect, can significantly increase the fruit vitamin C content