From the end of March to the beginning of April, the temperature in Yongnian County was 4°C-5°C higher than normal, which caused garlic diseases and insect pests to occur earlier than usual. Mainly in the early occurrence of garlic root pods 7-10 days, part of the yellow leaves of the plot, in particular, the second mulching film late to the site is more serious. In particular, viral diseases, epidemics, and leaf spot diseases are serious and even mixed diseases occur. Coupled with the recent rainy weather in the local area, it is more conducive to the occurrence and development of diseases and insect pests, so the majority of farmers should promptly prevent and treat it.
Garlic main pest control methods:
1. Roots. In the early days of its occurrence, 48% of Loessberg was used, and 500-600 ml of water per acre was flushed with water.
2. Viral disease. In the early stage of the disease, amino-oligosaccharides were sprayed with 1.5% epidemiological 1000-fold solution, 20% virus A500-fold solution, or 5% contaminated virus 300-fold solution.
3. Diseases. At the beginning of onset, spray 72% Kelu WP 800-1000x, 72.2% Pulkix 800x, 58% Metalaxyl Manganese Zinc Wettable 500x, 40% Triethylphosphonate WP 250 times or 64% antivirus WP 400-500 times.
4. Leaf blight, leaf spot, and gray mold. With 75% chlorothalonil WP 800 times, 64% WP 50 times, 50% WP copper WP 500 times or 50% methoprin WP 1500 times Prevention.
5. Bacterial soft rot. In the early stage of onset, spray 72% of agricultural streptomycin soluble powder 4000 times or 77% to kill 500-800 times of wettable micro-particles, and spray it once every 7 days, depending on the condition to prevent 2-3 times.
6. Rust disease. If there is more rainfall, check the onset center and promptly prevent it. Generally used 15% triadimefon 1000 times wettable powder, or 15% triadimefon 1500 times liquid plus 70% mancozeb WP 1000 times spray control, generally depending on the condition 2-3 times.
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