韭菜在全国各地均有种植，是群众喜食的蔬菜之一，近年来种植面积又有大幅度的增长。韭蛆一直是影响韭菜生产的重要因素，是常规的防治对象，但由于防治韭蛆使用剧毒、高毒农药并不鲜见，因食用了被污染的韭菜而造成消费者中毒的事例不时见著报端。为农民选出高效低毒的农... Leeks are planted throughout the country, is one of the masses eat vegetables, planting area in recent years have substantial growth. Leek maggots has always been an important factor affecting leek production and is a routine target of prevention and treatment. However, due to the use of virulent and highly toxic pesticides for controlling leek maggots, it is not uncommon for consumers to poison their leeks from time to time The newspaper. Efficient farmers choose low-toxic pesticide ...