What is cruciferous vegetables? Everyone knows. What vegetables are included in cruciferous vegetables? Now that the fall is over, the temperature is starting to drop, and various vegetable diseases have entered a high-risk stage. Please prepare for the prevention and control stage!
Control measures for cruciferous vegetable diseases
one,
Agricultural control:
1. It is to open a good ditch system, reduce the humidity in the field, regularly clean the ditch system, keep the ditch system unblocked, prevent water accumulation in rainy days, and accelerate the spread of disease.
2. It is timely harvesting to prevent over-age harvesting in the field, and the cruciferous vegetables in the harvesting period should be organized and harvested in time to prevent the disease-resistantness of the over-aged vegetables in the field, and the disease rate is increased.
two,
Chemical control:
First, to control downy mildew, you can choose 687.5 g / liter of fluorobacteria · chlorfluazol suspension (silver phlegm) 500 ~ 800 times solution, 52.5% oxaconazole acetonide cyanide dispersible granules ) 800 ~ 1200 times liquid, 80% enoylmorpholine wettable powder (super) 1500 ~ 2000 times liquid evenly sprayed, in the initial stage, every 7 to 10 days of medication, continuous use 2 to 3 times, pay attention to the drug Rotate.
The second is to prevent and control soft rot. For the diseased plants, 20% thiabend copper suspension (lonococcus) 400-600 times solution, 33.5% quinoline copper suspension (million green) 800-1000 times solution can be used. Rooting, 200-250 ml per solution. Spray control on the field without disease, use the drug once every 7 to 10 days, for 3 to 4 times in a row, pay attention to the rotation of the drug.
The third is to control anthrax, 250 gram / liter of azoxystrobin suspension (Amisida) 1200 ~ 2000 times solution, 37% phenyl ether carbazole water dispersion granules (World Standard) 2000 ~ 3000 times liquid, etc. Evenly spray, start from the beginning, every 7 to 10 days, once every 2 to 3 times, pay attention to the rotation of the drug.
The fourth is to prevent and cure clubroot disease. For the field where the root sputum has a swollen disease, use 70 kg of quicklime per acre or 50% of calcium cyanamide granules per acre for 48-64 kg for soil treatment; In the field, the diseased plants were found to be removed early and taken out of the field for deep burial or incineration.
The fifth is to prevent and treat viral diseases. In the case of no onset of seedling stage, 8% Ningnanmycin water can be used for prevention and treatment of 300-400 times liquid for 2 to 3 times. For the field at the beginning of the disease, you can choose 20% of the WP, and the WP can be evenly sprayed from 200 to 400 times, every 7 to 10 days, and continuously control 2 to 3 times.
Sixth is to prevent black rot, you can use 20% thiabend copper suspension (lonke) 400-600 times liquid, 6% spring serotonin wet powder 150 ~ 300 times evenly spray, the initial stage, every 7 ~ Once every 10 days, continuous control 2 to 3 times, pay attention to the rotation of the drug.
The above are the most common prevention and control measures for cruciferous diseases. It is necessary to know that the summer temperatures are very high this year, and many diseases have not yet come out. When the fall arrives, the temperature drops, and various diseases are likely to occur. Then endanger the vegetables grown by everyone, especially downy mildew, soft rot, please pay attention to prevention!
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