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烤烟是武鸣县的大宗经济作物之一,仅双桥公社每年种植面积就有4500—5500亩。烟蚜的危害是影响这个公社的烟草产量和品质的重要因素。冬烟苗床期受害缩顶率一般为5—10%,大田生长前期为5—8%,中后期80—100%植株受到不同程度的蚜害。受烟蚜危害重的植株,生长缓慢,叶片小且皱缩扭曲,每株可采收的叶数只有3—6片,甚至片叶无收。受害叶片烤制后色淡质脆,等级低或降为等外品。
Fuming tobacco is one of the bulk cash crops in Wuming County, with only 4500-5500 mu of cultivated area per year in Shuangqiao commune. The harm of aphids is an important factor that affects the tobacco production and quality of this commune. The shrinking rate of winter tobacco seedling bed damage is generally 5-10%, 5-8% early field growth, 80-100% plants in the mid-late were affected by different degrees of aphids. Plants harmed by the aphids are slow-growing, with small and twisting leaves. Only 3-6 leaves can be harvested per plant, and even leaves can not be harvested. Damaged leaves after baking crisp light color, low grade or reduced to other products.