Cucumber Green Mottle Mosaic Virus Control Measures
1. Compliance with the quarantine regulations prohibits the transfer of seeds, seedlings, scions, rootstocks, and other propagation materials of Cucurbitaceae with Cucumber Green Mottle Mosaic Virus to a non-occurring area.
2, seed treatment, the dry seeds that may be infected with dry heat treatment at 70 °C for 72 hours, can passivate the virus, is an effective method to prevent the spread of viral diseases. Drug treatment. Seeds of watermelon or rootstock must be seed-sterilized. After the dry heat treatment, the seeds are placed in the room to be naturally regained, then immersed in the chemical treatment, soaked in 10%-20% trisodium phosphate for 20 minutes, and washed after cleaning.
3, the use of methyl bromide and other soil fumigation disinfection of the incidence of field blocks.
4. Choose healthy rootstock or scion when grafting. When grafting tools should pay attention to disinfection, to avoid contact with infection.
5, remove the diseased plant. After the seeds emerged, they were found to have mosaic or malformed strains, which were immediately removed and destroyed in a concentrated manner. They could not be discarded at will.
6. Occurrence of field crops requires cultivation of non-cucurbit crops for 2-3 years of rotation.
7. Strengthen field management. Do a good job of drainage management in the field, prevent and control virus transmission, increase fertilizer application, promote plant growth, enhance resistance, and minimize loss. After the harvest, the sick leaves and leaves were cleaned and destroyed.
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