在番茄育苗过程中,有时由于外界气温过高,肥水过多,密度过大,生长过快等原因而造成秧苗过度生长.对此,除进行分苗假植、控制浇水、加强通风外,还可应用激素来处理秧苗,防止徒长.作者常常收到一些菜农朋友的来信,诉说因激素选用或浓度掌握不当造成严重损失.作者根据十多年的实践经验,认为在众多激素中,以矮壮素的应用效果较为满意.经处理的番茄秧苗,生长缓慢,叶色浓绿,茎秆粗壮,根系发达,耐寒性和抗逆性都有提高,并使果型增大. In tomato nursery process, sometimes due to the outside temperature is too high, too much fertilizer, over density, rapid growth and other causes of overgrowth of seedlings.In addition to the sub-plantation, planting, watering and ventilation, But also the application of hormones to deal with seedlings, to prevent leggy.At the same time, the author often received some letters from friends of vegetable farmers, complaining about serious losses due to hormone selection or improper concentration control.According to more than ten years of practical experience, the author thinks that in many hormones, The effect of application of Cortin was satisfactory.The treated tomato seedlings grew slowly, the leaf color was dark green, the stalks were sturdy, the root system developed, the cold resistance and the stress resistance increased, and the fruit type increased.