“We have a lot of viral diseases on the hot peppers recently. There are several families who have pulled out gardens. If I plant peppers again, will they still get viral?†On October 12th, Sunjia Village, Jitai Township, Shouguang City A vegetable farmer called for telephone consultation. “You see what happened to my gherkin? I looked like it was a virus.†On October 16, the reporter discovered in Zhangjiacun, Luocheng Street, Shouguang City that the local cucumber had just been planted. A number of virus-infected plants have emerged, and the most serious part has about one-third of the disease. Recently, during a reporter’s interview in the countryside, many vegetable farmers reported that the virus diseases such as cucumbers, peppers, and tomatoes that had just been planted were serious. Many vegetable farmers are very puzzled. Now that the weather is relatively cool, why are the virus diseases serious? What? Indeed, according to the experience of previous years, the incidence of viral disease was extremely light after the colonization of vegetables in autumn and winter. However, this year's situation has changed, due to the serious viral disease this summer, whitefly, aphids, thrips and other poisoning pests are widespread, which is the result of the recent serious viral disease still exists. Before and after the colonization of vegetables in autumn and winter, the weather changed and the vegetable farmers replaced the new membranes. The outside pests transferred to the shed, and the conditions in the shed also provided protection for the long-term existence of the pests. Because the weather turns cold, the temperature inside the shed decreases, pests breed, and their ability to move declines. It seems that there are few insects in the shed, especially the whiteflies, thrips, locusts and other body types are already very small, and the number is not carefully read at all. Even if there are several bugs, the vegetable farmers are often paralyzed and think that the insects will naturally die as the temperature decreases. It is not worth spraying and preventing the transmission of poisonous pests for a long time. As a result, although the number of pests in the shed was not large enough to constitute a serious hazard, it created conditions for the spread of viral diseases. Therefore, the reporter reminded the vegetable farmers that the prevention and treatment of viral diseases should not be taken lightly at any time. It should not be considered as a matter of peace because of the reduction in the amount of pests and diseases transmitted by the end of autumn. The reporter recommended that the vegetable farmers thoroughly clean the greenhouse before the vegetable is planted, remove weeds and vegetable residues, eliminate the source of the virus, and then close the canopy and smoke the canopy with insecticides such as Isozyme to completely eliminate the insects in the shed. If the vegetables have already been planted, the vegetable farmers can use the Isoprocarb smoke shed and combine with matrine, chitin, and alkaloids to kill pests, regulate plant growth, and increase plant resistance. For plants that have already exhibited symptoms of viral disease, the yield and quality of the vegetables in the later period will be greatly affected. It is recommended that the vegetable grower remove the diseased plants, replant the seedlings, or replant other vegetables or leave more collaterals with neighboring plants.
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