Plant chemical control aphid technology

Plant chemical control aphid technical program
1. Name of the agent Matrine, oxymatrine, Yunju (5% natural pyrethrin emulsifiable concentrate).

2. Applicable environment and crops Greenhouses, greenhouses, vegetables, fruits and other crops.

3. Control objects Aphids, cabbage caterpillars and other pests.

4, technical points
(1) Use of the device Knapsack manual sprayer.

(2) Time of use When the mites and cabbage caterpillars are started.

(3) The concentration of the liquid medicine is 800-1500 times. When configuring, firstly fill 1/3 of the water in the sprayer (to prevent the original liquid from sticking to the sprayer wall), and place a filter on the mouth of the sprayer. The drug solution is placed on the filter net and rinsed with water, and the medicine is evenly stirred.

(4) Use the dose of spray 800-1500 times liquid medicine 30kg.

(5) Method of use Foliar application of pests during the initial period.

(6) Number of uses Spray once every 7 days, 2-3 times.

5, matters needing attention
The last spray application should be used 10 days before the market.

Source: Agriculture, Forestry, Animal Husbandry and Water Bureau, Chengbei District, Xining City, Qinghai
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