番茄使用激素技术要点陈子俊为了防止番茄落花落果，在生产上应用较多的座果激素有２，４—Ｄ和防落素两种，在使用过程中，应注意的事项要点是：１、使用浓度：２，４—Ｄ的使用浓度，一般１０－２０ｐｐｍ；防落激素的使用浓度，一般２０－４０ｐｐｍ。高温时取浓度低限... Tomatoes using hormone technology points Chen Zijun In order to prevent the loss of tomato flowers, fruits and vegetables in the production of more hormones have 2,4-D and anti-pigmented two kinds of use, the process should be noted that the points are: 1, the use of Concentration: 2,4-D concentration, usually 10-20ppm; anti-down hormone concentration, the general 20-40ppm. Take low concentration when high temperature ...