瓜、茄果类蔬菜巧用防落素防落素又名番茄灵、促生素，是一种高效植物生长调节剂。在黄瓜、西瓜、番茄、辣椒等瓜、茄果类蔬菜上应用，对防止落花，促进坐果，加速幼果发育，提早成熟等方面有显著效果，并能形成无籽果实。其主要用法是：黄瓜。可在盛花期，用５０ｐｐｍ药... Melon, eggplant vegetables clever use of anti-down control, also known as tomato spirits, progesterone, is a highly efficient plant growth regulator. In cucumber, watermelon, tomatoes, peppers and other melons, fruits and vegetables applied on the prevention of falling flowers, and promote fruit setting, accelerate young fruit development, early maturity and other aspects have a significant effect, and the formation of seedless fruits. The main usage is: cucumber. In full bloom, with 50ppm medicine ...