Common bacterial agents for crop bacterial diseases
In the prevention and treatment of cucumber bacterial keratoses, spraying in 500-600 times dilution or irrigating roots is to prevent vegetables (cabbage and cucumber),
Fruits (citrus, peach, kiwi), fruit (watermelon, melon) and rice and Other crops, a new ideal agent for bacterial diseases.
2, thiazolyl
It is effective for controlling bacterial streak and bacterial blight in rice.
Because rice has been registered for more than 20 years, rice has produced a great deal of resistance, and the control effect of methimazole continues to decline.
Due to too many registered companies, disorderly market competition, and very confusing prices, it has been declining.
3, copper hydroxide
Not registered on rice, it is widely registered in cash crops such as vegetables (cucumbers, peppers and watermelons), fruit trees (citrus, grapes, and litchi) and tobacco, and is a common inorganic copper preparation for the prevention and control of vegetable bacterial diseases.
It is sensitive to flowering and young fruit and should not be mixed with acidic pesticides. It should be sprayed separately.
The mixture with kasugamycin is sensitive to the leaves of crops such as apples, grapes, soybeans, and alfalfa, so it is important to pay attention to the concentration, and it is advisable to spray after 4 pm.
Due to the large number of registered companies and the large price gap, it is hard to argue true or false, and the market is extremely chaotic.
4, allicin
Registered crops are extensive, have certain control effects on bacteria and fungi, and are also relatively common agents for the prevention and treatment of bacterial diseases.
5. Kasugamycin
Registered crops are widely used in fruit trees, vegetables, and rice, and the bactericidal spectrum is relatively extensive. It has a certain control effect on bacteria and fungi.
There is a slight phytotoxicity to soybeans, grapes, oranges, apples, etc., and care should be taken when using it in proximity to soybeans.
6, bacteria poison clear
Registered crops are extensive and the bactericidal spectrum is also broad. It used to be a traditional medicine for controlling bacterial diseases in rice. This product should not be mixed with other agents.
When the temperature is low and the liquid crystals are crystallized, warm liquid is used to warm the liquid to 30°C, and all of the crystals are dissolved and diluted.
7, Wang copper
Registered crops are extensive, and there are more control objects. Sensitive to young leaves of crops such as apples, grapes, soybeans and alfalfa,
Therefore, we must pay attention to the concentration, should be sprayed after 4 pm. Cannot be mixed with thiocarbamate fungicide.
8, Chlorobromoisocyanuric acid
Registered crops are extensive, and bactericides are widely used. They have certain effects on bacteria, fungi, and viruses, and belong to the “allergies†type of pesticides.
9, trichloroisocyanuric acid
There are certain control effects on bacteria and fungi. Do not contact with acids and alkalis to avoid decomposition failure and explosive combustion.
Products such as alkali, acid decomposition burning, should be extinguished with sand or chemical suppression agent.
10, copper acetate
The compounding (mixing) registration mainly prevents viral diseases, and single-agent registration of bacterial diseases is relatively small.
11, copper chloride fertilizer
Registered crops and control subjects are relatively extensive, and have certain control effects on bacteria and fungi. When using, the liquid concentration must not be too large, otherwise it is easy to produce phytotoxicity.
12, meinomycin
Currently, there are only 2 companies in the country with 2 certificates still in temporary registration.
In addition, in recent years, temporary registration of single agents for the prevention and treatment of bacterial diseases, such as Pseudomonas fluorescens, Thienone copper, thiazole zinc, thiabendazole (Green Ling Ling), and diclocarbamine, sodium propionate and other new agents, are Belonging to the potential of Chaoyang products, worth the wait and attention.
In fact, in the prevention of plant diseases, there are many methods that we can adopt, such as strengthening phytosanitary measures and preventing the invasion of alien pests and diseases;
Strengthen agricultural prevention and control, such as the use of disease-free propagation materials, establishment of a rational planting system, maintenance of pastoral hygiene, strengthening of cultivation management, rotation, etc.;
Selection of disease-resistant varieties; use of biological control; implementation of physical control such as: heat treatment, warm soup soaking, high fat film disease prevention and so on.
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