1主要虫害(1)蚜虫主要有麦二又蚜,麦长管蚜和手缢管蚜,每年6月份开始发生,麦蚜常大量聚集在叶片、茎秆和穗部,吸取汁液,影响作物发育,并能传播多种病毒,已成为常发性害虫。(2)地下害虫苗期地下害虫主要有金针虫、蛴螬、蝼蛄三种。金针虫能咬食刚拾下的种子,食害胚乳使其乏不断芽,苗期为害主根或茎的地下部分,使幼苗枯死; Main pests (1) Aphids are mainly wheat aphid, wheat aphid and hand beetle aphid, beginning in June each year, a large number of wheat aphid often gathered in the leaves, stems and ears, drawing juice, affecting crop development , And can spread a variety of viruses, has become a common pest. (2) underground pests Seedling pests mainly insects, 蛴 螬, 蝼 蛄 three. Ginger insects can bite the seeds just picked up, eat endosperm so that lack of continuous buds, seedling damage to the root of roots or stems of the underground part of the seedlings dead;