Symptoms The bacteria spread through irrigation water or rainwater, invade from the base of the stem or root wounds, and can also enter the adjacent parenchyma cells through the catheter, resulting in irregular water-soaked spots on the stems. The soil moisture in the field is high, even after rain or heavy rain. Turning sunny weather rises sharply. After infection, the diseased plants were slightly dwarfed, and the leaves were greenish or green. The lower leaves first drooped and the whole plants began to droop. The restoration began sooner or later. After 4 to 5 days, all the stems and leaves of the plants wilted and died, but they remained green and blue. No leaf fall, brown veins, brown stripes on the stems, horizontal vascular bundles can be seen brown, when the humidity is high, there is a spill of bacteria on the cut surface. After tuber became infected, the lightness was not obvious. The heavy umbilicus was gray-brown and immersed in water. The tuber was cut and the vascular bundle became brown. The white mucus overflowed during extrusion, but the skin was not separated from the vascular bundle. Cracked, puddle ulcers like mud. Prevention (1) Selection of varieties resistant to bacterial wilt. (2) Choose disease-free seedlings and cultivate them with sorghum to avoid flooding. (3) To implement rotations with cruciferous or gramineous crops for more than 4 years, and it is best to carry out paddy crop rotations with grasses. (4) Strengthen cultivation and management, use formula fertilization technology, spray 7500 times solution of plant protection or love 6000 times more fluid, apply adequately decomposed organic fertilizer or plant ash, and change microbial communities. Can also be applied per acre of lime 100 ~ 150kg, adjust the soil pH. (5) Chemical control, in the early stage of disease, streptomycin sulfate or 72% agricultural streptomycin sulfate soluble powder 4000 times solution, 50% Baifentong wettable powder 400 times solution, 12% green milk copper emulsion 600 times solution, 47% Garenon wettable powder 700 times Irrigation roots, 0.3-0.5L per well-stirred liquid, once every 10 days, continuous irrigation 2-3 times. The bacteria spread through irrigation water or rainwater, invade from the base of the stem or root wounds, and can also enter the adjacent parenchyma cells through the catheter, resulting in irregular water-soaked spots on the stems. The soil moisture in the field is high, even after rain or heavy rain. Turning sunny weather rises sharply. After infection, the diseased plants were slightly dwarfed, and the leaves were greenish or green. The lower leaves first drooped and the whole plants began to droop. The restoration began sooner or later. After 4 to 5 days, all the stems and leaves of the plants wilted and died, but they remained green and blue. No leaf fall, brown veins, brown stripes on the stems, horizontal vascular bundles can be seen brown, when the humidity is high, there is a spill of bacteria on the cut surface. After tuber became infected, the lightness was not obvious. The heavy umbilicus was gray-brown and immersed in water. The tuber was cut and the vascular bundle became brown. The white mucus overflowed during extrusion, but the skin was not separated from the vascular bundle. Cracked, puddle ulcers like mud. Prevention (1) Selection of varieties resistant to bacterial wilt. (2) Choose disease-free seedlings and cultivate them with sorghum to avoid flooding. (3) To implement rotations with cruciferous or gramineous crops for more than 4 years, and it is best to carry out paddy crop rotations with grasses. (4) Strengthen cultivation and management, use formula fertilization technology, spray 7500 times solution of plant protection or love 6000 times more fluid, apply adequately decomposed organic fertilizer or plant ash, and change microbial communities. Can also be applied per acre of lime 100 ~ 150kg, adjust the soil pH. (5) Chemical control, in the early stage of disease, streptomycin sulfate or 72% agricultural streptomycin sulfate soluble powder 4000 times solution, 50% Baifentong wettable powder 400 times solution, 12% green milk copper emulsion 600 times solution, 47% Garenon wettable powder 700 times Irrigation roots, 0.3-0.5L per well-stirred liquid, once every 10 days, continuous irrigation 2-3 times. Greenhouse Wet Pad For Cooling System "Wet curtain - fan" of the vertical ventilation cooling combination is the most economical and effective measures to cool the greenhouse in summer. Greenhouse Wet Pad For Cooling System,Greenhouse Wet Curtain,Greenhouse Cooling Pad,Greenhouse Cooling Paper JIANGSU SKYPLAN GREENHOUSE TECHNOLOGY CO.,LTD , https://www.spgreenhouse.com
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Potato Bacterial Wilt Control Measures