Study on the field change rules and its prevention and control technica for Contaarinia pyrivora（Riley） in Guilin
Contaarinia pyrivora （Riley） in Guilin field change years.The results showed that Contaarinia pyrivora（Riley） live rules and prevention was observed in 2007 - 2008 through the winter time is provided and unearthed in early spring mid-February - early March. Winter generation of feather peak （i.e. harm peak） on February 20, March 10. The first generation of peak happened in April 10 to 25 ;The second generation occurred during the May 10 to 25 ;The third generation occurred on June 10 ~ 20 .Tests showed that the control,in the winter and before they unearthed , 40 % of Michael essien sulphur phosphorous 300 times throwing in the soil has good preventive effect to Contaarinia pyrivora （Riley）.At the same time, before the larva maturation and fall down on the ground,the control effect would be better if remove the first spring harmed leaves and burn them outside of the orchard.
Contaarinia pyrivora(Riley)field change rulesprevention and control technica
NETL
NSTL
万方数据
维普
