据江西省对53个市县3月下旬调查,越冬代二化螟一般亩平均残存基数为7827条,最高为24235条,亩最高残存基数平均为21914条,最高为50000条;81%以上的县在3000条以上,59%以上的县亩平均基数比去年增加,部分市县如瑞昌、东乡、莲花、临川、鹰潭等亩平均残存基数是去年的2￣4倍。武宁 According to the survey conducted in 53 cities and counties in Jiangxi Province in late March, the average remaining mu of overwintering stem borer was 7827, with a maximum of 24,235, with an average of 21,914 mu maximum residues and a maximum of 50,000. More than 81% The average base of mu in more than 3000 counties and 59% of counties increased over that of last year. The average remnant of mu in some counties such as Ruichang, Dongxiang, Lianhua, Linchuan and Yingtan was 2 to 4 times of last year. Wuning