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１９９７年在成县进行的玉米地膜覆盖种植与露地种植对比试验表明，地膜覆盖种植可明显减少玉米矮花叶病传毒介体有翅蚜的迁入数量，降低种子带毒苗率７７．８％，田间病株率降低９８．５％。
The comparative experiment on maize mulching and open field planting conducted in Chengxian County in 1997 showed that mulching with plastic film mulching could significantly reduce the number of moving aphids in the maize dwarf mosaic virus, %, Field disease rate decreased 98.5%.