关键词: 水稻, 害鼠种类, 发生高峰期, 敌鼠隆, 溴敌隆

Abstract: Objective To investigate the rodent infestation in rice field in Daqing and to observe the rodent control effect by rodenticide.Methods To evaluate the control effect by the capture rates with night trap method.Results There were five species of hamful rodent in the paddy of Daqing,Cricetulus triton,Apodemus agrarius,Cricetulus barabensis,Rattus norvegicus and Mus musculus,among them Cricetulus triton and Apodemus agrarius were dominant species 52% and 24%;the peak period ranged from the rice returning the green in spring to the rice mature in autumn;brodifacoum and bromadiolone were used to control rats of paddy field in spring and autumn,with the control effect respectively for 87.4%,78.1% and 83.9%,74.4%;Seedling damaged by rats was obviously lower.There had no secondary poisonation phenomenon.Conclusion The rodent control measures were suitable and worth to propaganda our city paddy field.