Attention should be paid to the control of diseases and insect pests of rape in autumn.

1. Pest control: the main pests are aphids, cabbage insects, Plutella xylostella. To control aphids, you can spray 1000 times of Icas or 2000 times of aphid spray, or smoke 250g of aphid control agent per mu, or you can also use yellow armyworm traps. To control Pieris rapae and Plutella xylostella, 2.5% Caixi 1000-1500 times liquid or cabbage worm 1000-1500 times solution can be sprayed. two。 Disease control: focus on prevention and control of downy mildew, black spot, anthrax. For downy mildew, biological control can be taken, that is, pepper, ginger and garlic each 250 grams (juice) are sprayed on 50 kg of water; it can also be sprayed with 75% chlorothalonil wettable powder 600 times or 72.2% Kangling wettable powder 600 times or 40% ethyl phosphate aluminum wettable powder 500 times. For black spot, 50% carbendazim wettable powder 600 times liquid spray can be used at the initial stage of the disease. For anthrax, 500-600 times of 70% methyl topiramate wettable powder or 800 times of 80% anthrax Fumi wettable powder can be sprayed at the initial stage of the disease.