How to treat plant virus diseases?
Virus disease has always been a very related topic of plant protection, many vegetable farmers always consult how to effectively control virus disease, so let's learn about how to treat plant virus disease with the editor today.
I. characteristics of plant virus diseases
The characteristics of plant virus disease are: leaf curl, atrophy, plaque. It will cause plant growth to weaken and reduce production.
Second, how to treat plant virus diseases?
Eliminate pathogens or inhibit their occurrence and spread; improve the disease resistance of parasitic plants; control or transform environmental conditions to make them beneficial to host plants but not pathogens, so as to inhibit the occurrence and development of diseases. Prevention is generally given priority to, and specific comprehensive control measures are taken according to the law of occurrence and development of crop diseases. Generally, it is necessary to clean up environmental weeds and control aphids in time, because aphids are common vectors for spreading virus diseases; chemical control is generally sprayed with virus A, virus K, virus Rick and so on.
Common drugs for the prevention and control of diseases and insect pests
1. Allicin: a wide range of registered crops, it has a certain control effect on bacteria and fungi, and it is also a common drug to control bacterial diseases.
2. Chunramycin: it is widely used in fruit trees, vegetables and rice. It has a wide range of germicidal spectrum and has a certain control effect on bacteria and fungi. Slight drug damage to soybeans, grapes, oranges and apples should be paid attention to when used in neighboring soybean fields.
3. Shiduqing: there are a wide range of registered crops and a wide spectrum of sterilization. It used to be a traditional medicine to control bacterial diseases of rice. This product should not be mixed with other medicaments. When crystallization precipitation occurs due to low air temperature, the temperature of the solution is about 30 ℃ with warm water, and all the crystals are dissolved and then diluted.
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