When rape is first unearthed, in order to protect the seedlings and promote growth, some pesticides need to be used to control pests and diseases. The following are several commonly used pesticides that can be applied when rapeseed is first unearthed:
1.Fipronil: Fipronil is a broad-spectrum insecticide that can control a variety of pests, such as diamondback moths, aphids, whiteflies, etc. It can be used when the canola is just out of the soil or it can continue to be used while it is growing. When using, spraying or watering can be used, but it is necessary to pay attention to the amount and concentration of use to avoid pesticide damage to rapeseed.
2.Deltamethrin: Deltamethrin is an pyrethroid pesticide with high efficiency, low toxicity and low residue. It can control a variety of pests, such as aphids, whiteflies, cabbage insects, etc. When rape is just unearthed, deltamethrin can be used for spraying, pay attention to spraying evenly, and do not miss or respray.
3.Imidacloprid: Imidacloprid is a systemic insecticide that can control a variety of pests, such as aphids, whiteflies, thrips, etc. Imidacloprid can be sprayed when oilseed rape is first unearthed, or it can be continued during growth. When using, it is necessary to pay attention to the amount and concentration to avoid pesticide damage to rapeseed.
4.Carbendazim: Carbendazim is a broad-spectrum fungicide that can prevent and control a variety of diseases, such as rape sclerotinia sclerotinia and downy mildew. When rape is just unearthed, carbendazim can be used for spraying or watering, but it is necessary to pay attention to the amount and concentration used to avoid pesticide damage to rapeseed.
When using the above pesticides, it is necessary to pay attention to the method of use and dosage to avoid causing pesticide damage or polluting the environment to rapeseed. At the same time, it is also necessary to pay attention to safety issues and wear protective measures such as protective clothing and gloves to avoid pesticides causing harm to the human body.