扑灭虫害,保蕾、保花、保铃,是棉花增产工作中的一项重要技术措施。今年一月农业部举办的棉花病虫害防治技术训练班,曾总结交流了各地近年来防治蕾铃期棉虫的成功经验。对不同地区,如何按照棉花不同的生育阶段,分清防治的主次对象,进行综合防治,提出了具体意见。为了帮助棉区读者,更好地做好今年防治棉虫的技术指导工作,特介绍于次。 Quarantine pests, Paul Lei, Paul flowers, Paul bell, cotton production is an important technical measure. In January this year, the Ministry of Agriculture held a training course on cotton pest and disease control, which summed up the exchange of successful experiences in preventing and controlling bollworms in recent years. In different regions, how to distinguish the primary and secondary prevention and control targets according to the different stages of cotton growth and carry out comprehensive prevention and control and put forward specific suggestions. In order to help readers in cotton area and do a better job of technical guidance on cotton insects prevention and control this year, special introduction was given at this time.