Correct use of edible fungicides

The main results are as follows: 1. When choosing fungicides, it is necessary to know the properties of fungicides. There are two types of fungicides, one is protective agent, this kind of fungicide is to prevent plant disease, such as Bordeaux solution, mancozeb, carbendazim, etc.; the other is therapeutic agent, which is applied after plant disease, in order to kill or inhibit the pathogens invading the plant, the therapeutic agent has a better effect in the early stage of the disease, such as Kangkuning, Baozhida and other compound fungicides.

2. Fungicides should be sprayed before 9: 00 a.m. or after 4: 00 p.m., to avoid use in the hot sun. If sprayed in the hot sun, the fungicides are easy to decompose and evaporate, which is not conducive to crop absorption.

3. Fungicides should not be mixed with alkaline pesticides. Can not increase or reduce the use of fungicides at will, and should be used with.

4. Most of the fungicides are powder, emulsion and gel suspension, which must be diluted before application. When diluting, put the medicine first, then to the water, and then stir with a stick. When mixed with other pesticides, fungicides should be diluted first and then mixed with other pesticides.

5. The interval of spraying fungicides is 7-10 days. For agents with weak adhesion and poor internal absorption, it should be re-sprayed in case of rain within 3 hours after spraying.