Main pests: striped flea beetle, Plutella xylostella, Spodoptera litura, Spodoptera exigua, Pieris rapae, aphids, etc.

For your reference

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This is a picture of rape downy mildew.

Spraying pesticides before the 3rd instar, such as 50% phoxim EC 1500 times, 15% vegetable net EC 1500 times, 2.5% killing EC 3000 times, etc. Larvae after 4th instar are harmful at night, so pesticide application should be carried out in the evening.

This is a pesticide for controlling Spodoptera litura and Spodoptera exigua.