西红柿因温度达不到茄红素生成的要求,迟迟不能转红,采摘前进行药剂催红是促进西红柿提前上市的有效措施。但在实际催红过程中,往往由于处理不当而抑制植株的生长,有的还发生药害现象。因此,使用药剂催红应注意以下事项:1.催红不宜过早。一般要求果实充分长大,果色由白变成炒米色时,催红效果最好。若果实还处在 Tomatoes due to the temperature of less than lycopene generation requirements, can not turn red, red wine before picking pesticides to promote early listing of tomatoes is an effective measure. However, in the actual process of promoting red, often due to improper handling of plant growth inhibition, and some also occurred phytotoxicity phenomenon. Therefore, the use of drug reminder red should pay attention to the following: 1. Red should not move too early. The general requirements of the fruit fully grown, fruit color from white into the fried beige, the best reminder red effect. If the fruit is still