Dynamic Analysis of Pest Occurrence in Peanut Fields in Yantai
In order to further understand the species and occurrence dynamics of major pests in peanut fields in Yantai area of Shandong Prov-ince,from 2017 to 2020,the pests in peanut fields in Yantai area of Shandong Province were systematically monitored by color plate trapping method.The results showed that the dominant populations of pests in peanut fields in Yantai area were mainly Frankliniella occidentalis,pea-nut aphids,leafhoppers,Liriomyza and Tabanid.F.occidentalis mostly broke out in July and August,and the number of insects was higher than that in other months.The population density of F.occidentalis was positively correlated with average temperature,average ground temper-ature and sunshine time,and was significantly correlated with average temperature and average ground temperature.It was negatively correla-ted with average relative humidity,rainfall and wind speed,but not significant.
万方数据
维普
