This year, the grassland moth, which invaded China for the first time, has been affected by insects in Sichuan Province. How much harm does the grassland moth currently do to crops in Sichuan Province? In response to the epidemic, what prevention and control measures has Sichuan Province taken?
On July 22, Red Star News reporters learned from the Department of Agriculture and Rural Affairs of Sichuan Province that through the efforts of the past two months, the disposal rate of insect infestation plots in spring corn in the province was 100%, and the general prevention and control of summer corn, sorghum and sugarcane pest plots was more than 90%, and the comprehensive prevention and control effect reached more than 90%, and the damage loss rate of spring corn was expected to be about 3%, lower than the 5% control target determined by the Ministry of Agriculture and Rural Affairs.
↑ The staff is observing the grassland night moth (Courtesy of the Department of Agriculture and Rural Affairs of Sichuan Province)
The pest has spread to Jiulong, Batang and other counties in Ganzi Prefecture
The grassland moth is a major migratory agricultural pest in the global early warning of the Food and Agriculture Organization of the United Nations, with three characteristics: particularly edible, particularly flying and particularly able to grow, which is a great threat to food security and agricultural production.
As of July 18, the pest has occurred in 20 cities and prefectures (except Aba Prefecture) and 124 counties (cities, districts) in Sichuan Province, with an area of 1,000,900 mu. The number of occurrence counties and the area of occurrence rank among the highest in the country.
Specifically, the pest has spread to 70% of the province's agriculture-related counties and to Jiulong, Batang and other counties in Ganzi Prefecture at an altitude of about 3,000 meters. Among them, the area of Nanchong and Liangshan accounts for 65% of the province. At the same time, the number of counties in Sichuan Province has increased by 57 compared with the beginning of June, and the area of occurrence has increased by 1.7 times. The affected crops have also expanded from corn to sorghum and sugar cane.
Two lines of monitoring defense are set up
Install high-altitude monitoring lights, automatic insect detection lights and other equipment
Sichuan has set up two monitoring lines along the Jinsha River basin and the southeast edge of the basin in the breeding area around Panxi and southern Sichuan and the transition zone for basin migration, installed 132 high-altitude monitoring lights, 136 automatic insect detection and reporting lamps, and 90,000 sets of sexual attraction monitoring equipment, accurately monitored the migration dynamics, and made every effort to kill the source of insects moving in from abroad and outside the province to curb the migration of insect sources.
In addition, the province strictly implements the insect situation reporting system, the first discovery of the day report, the occurrence of prevention and control information twice a week; organize plant protection experts to guard the grassland night moth QQ group, WeChat group, online diagnosis, online prevention and control measures, online release of early warning information.
Source: Red Star News