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水稻秧苗使用多效唑具有明显的矮化壮秧、早发增穗、增强抗性、防病抑草、增产增收等效果。但在使用过程中,常常出现由于使用不当,造成秧苗过于矮化、生长停滞甚至死亡、贪青迟熟等不良后果。为了避免这种情况发生,根据各地几年来的试验和生产实践经验,水稻秧苗使用多效唑必须注意以下五点: 1、剂量要适宜。不同品种、不同季节,多效唑的喷施浓度不尽相
The use of paclobutrazol rice seedling has obvious dwarf strong seedling, ear early increased ear, enhance resistance, disease prevention and weeds, increase yield and other effects. However, in the process of using, the unpleasant result of improper use, excessive dwarfing of seedlings, stagnant growth or even death, and late greyishness often occur. In order to prevent this from happening, according to the experience of experiments and production in various places over the years, the use of paclobutrazol in rice seedlings must pay attention to the following five points: 1. The dosage should be appropriate. Different varieties, different seasons, paclobutrazol spray concentration is not phase