1983年经市、县联合普查,我县有13乡(镇)169村(场)发生薯瘟,计2.1万余亩,占当年甘薯种植面积的6.9％,病株率达31.03％,损失粮食124.75万公斤。为控制其危害,于1984—1987年推广抗瘟品种,开展万亩薯瘟综合治理示范。控制了著瘟病区范围未继续扩展;发病面积现已下降至860亩以下,4年共挽回粮食损失973.52万公斤,经济效益达538.05万元,综合治理薯瘟取得了显著成效。主要采取了以下关键性措施: In 1983, according to the joint census of cities and counties, there were 169 plague occurrences in 13 counties (towns) in our county, accounting for 21,000 mu, accounting for 6.9% of the sweet potato acreage in that year and the rate of diseased plants reaching 31.03% 1,247,500 kilograms. In order to control its harm, in 1984-1987 to promote anti-blast varieties, to carry out the mu-million blast crisis comprehensive demonstration. Control of the blast area has not continued to expand the scope of the incidence has now dropped to 860 acres, 4 years, a total of 97.52 million kilograms of grain losses, economic benefits amounted to 5.385 million yuan, the comprehensive control of blast plague achieved remarkable results. Mainly adopted the following key measures: