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“八五”期间，有些推广杂交种丝黑穗病发病率仍超过１０％，为提供有效的防治措施，鉴定了９２份杂交组合，筛选出２１份高抗杂交种，占鉴定材料的２２．８３％；鉴定自交系７７８份，选出高抗的１９８份，占鉴定总数２５．４４％，它们是良好的抗源及亲本。对推广的较感病杂交种，采用种衣剂拌种，农村大面积推广防治效果：吉农１号为８５．１０％，吉农４号为７７．０９％～８１．４９％，吉农７号为９２．８１％，为“九五”玉米主要病虫害综合防治技术提供了配套措施。
During the “Eighth Five-Year Plan” period, some hybrid smut diseases still exceeded 10%. In order to provide effective control measures, 92 hybrid combinations were identified and 21 high resistant hybrids were screened out, accounting for 22% of the identified materials. 83%; 778 inbred lines were identified, 198 were selected high resistance, accounting for 25.44% of the total identification, they are good source of resistance and parents. To promote the more susceptible hybrids, the use of seed dressing, seed dressing in rural areas to promote the prevention and treatment of large-scale promotion in rural areas: 85.10% for the No. 1 Jiunong, 77.09% ~ 81.49% for the farmers 4, No. 7 was 92.81%, which provided supporting measures for the comprehensive prevention and control of major diseases and pests in the “Ninth Five-Year Plan”.