山东省自1994年开始保护地栽培厚皮甜瓜，至今栽培面积已达3300hm‘，成为我国保护地厚皮甜瓜的主要产区之一。但随着栽培面积的扩大、产量的提高，厚皮甜瓜的品质反而有下降的趋势，明显的特点是果实含糖量下降，风味变劣。1厚皮甜瓜品质下降的成因门）品种选用不当不同... Since 1994, Shandong Province has started to cultivate muskmelon in protected areas and its cultivated area has reached 3300hm ’, making it one of the major producing areas for muskmelon in China. However, with the expansion of cultivated area and the increase of yield, the quality of muskmelon tends to decline. The obvious characteristic is that the sugar content of fruit is reduced and the flavor is deteriorated. 1 reasons for the decline in the quality of muskmelon door) different varieties of improper selection ...