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我区油菜病虫约30多种,主要有白菜蝇(油菜根蛆)、油菜(?)(金花虫)、种蝇、蚜虫、茎象(?)、潜叶蝇和根腐病、病毒病等。对这些病虫要采取综合防治,效果才好。一、播种期防治措施我区油菜播种适期是8月中旬到9月上旬,北中部8月中下旬即可播种,南部和中部肥沃水地则以8月下旬到9月上旬播种为宜。播种过早,易受油菜根蛆危害。播种前后,应采取如下措施: 1.提前播种诱杀田。针对油菜根蛆喜欢在生长
There are about 30 kinds of rape diseases and pests in our area, mainly including cabbage fly (root canola), rape (?), Flies, aphids, stem elephant (?), Leaf miner and root rot Sick and so on. To these pests and diseases to be comprehensive prevention and treatment, the effect is good. First, the sowing period of control measures I rapeseed sowing period is mid-August to early September, the northern central mid-to late August can be planted in the southern and central fertile waters in late August to early September seeding appropriate. Sowing too early, susceptible to the root canola harm. Before and after sowing, the following measures should be taken: 1. Sow the fields in advance. Roots like rape roots like growing