What should be paid attention to when using fungicides?
What should be paid attention to when using fungicides? The following points should be paid attention to when using fungicides: first, the properties of fungicides should be made clear when choosing 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 the plant disease to kill or inhibit the pathogens invading the plant body. The therapeutic agent has a better effect in the early stage of the disease, such as Kangkuning, Baozhida and other compound fungicides. Fungicides should be sprayed before 9: 00 a.m. or after 4: 00 p.m. If sprayed in the hot sun, the chemical is easy to decompose and evaporate, which is not conducive to crop absorption. Third, the interval between the use of fungicides and spraying is 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. Fourth, fungicides should not be mixed with alkaline pesticides. Can not increase or reduce the use of fungicides at will, and should be used with. Fifth, fungicides are mostly powders, emulsions and gel suspensions, 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. Click to get more fungicide use technology click to get more pesticide use technology
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What should we pay attention to when using fungicides to irrigate roots?
What should we pay attention to when using fungicides to irrigate roots? Please introduce the use of fungicide root irrigation should pay attention to the following points: first, the use of bacterial fertilizer in the shed try not to use fungicide root irrigation to prevent disease. For the land where bacterial fertilizer is used, it is easy to kill the biological bacteria in the bacterial fertilizer and make the bacterial fertilizer lose its fertilizer effect. If a disease has occurred in the crop, it must be.
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How to prevent and cure leaf spot by planting edible lilies?
How to prevent and cure leaf spot by planting edible lilies? Please introduce the control methods of lily leaf spot, which mainly harms the stems and leaves of lilies. After the damage of the leaves, there were round disease spots and slightly sunken. With the emergence of a large number of conidia, the leaves become dark brown or black, and the leaves turn yellow in severe cases. If the disease spot occurs in the stem, it will cause the stem to change.
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