Effect of different meteorological conditions on mosquito control effect
Objective To analyze the correlation between different meteorological conditions and mosquito control effect,so as to provide a theoretical basis for mosquito control.Methods Mosquito trap lamp method was used to collect and observe the changes of mosquito density in different places.The average wind speed,average temperature,average humidity and average pressure on the day of prevention and control were taken as independent variables,and the decrease degree of mosquito density before and after prevention and control was taken as dependent variable.Multiple stepwise regression was used to analyze the influence of meteorological factors on mosquito control effect.T test was used to compare mosquito density before and after prevention and control in different habitats.Results The average wind speed of the main meteorological factors affecting mosquito control was 1.98 m/s.The mosquito control effect in different habitats reached 70％standard requirements,and the difference was statistically significant(t=3.792,P＜0.05).The multivariate stepwise regression analysis of the average wind speed,average temperature,average humidity and average pressure on the day of prevention and control and the decrease of mosquito density before and after prevention and control showed that at the level of probability value P＜0.05,the control effect of mosquito was positively correlated with the average wind speed and average humidity on the day,and negatively correlated with the average temperature and average pressure.Conclusion In the process of mosquito control,with the updraft,and the moderate change of wind speed,so as to prolong the suspension time of insecticides in space and increase the control effect.Under low temperature and high humidity meteorological conditions,insecticides are not subject to volatilize and lose,and avoid the negative temperature effect caused by pyrethroids,which is conducive to improving the comprehensive control effect of mosquitoes.
万方数据
维普
