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First, seed treatment - seed dressing:
1. In the single or mixed area of ​​diseases such as powdery mildew, rust, sheath blight, smut, etc., 50% of Formamide WP (and repeller) can be used to seed 0.5% of seeds; 15% of triadimefon WP is seeded at 0.3% of seed; 70% thiophanate-methyl (or 50% carbendazim WP) is seeded at 0.2% seed.
2. In the area with severe root rot, 50% of Rhizoctonia WP can be used to seed 0.3% of the seed amount; 50% of thiram WP is seeded at 0.5% seed; 70% thiophanate WP (or 50%) Carbendazim WP) is seeded at 0.2% of the seed amount.
3, underground pest occurrence area: optional 50% phoxim EC or 50% diazinon EC or 40% methamidophos EC, according to seed 0.2% seed dressing.
Second, chemical weeding techniques in large and small wheat fields:
1, no tillage weeding before sowing. After rice is harvested, 3-5 days prior to the planting of the large wheat, mu using 10% glyphosate 400-750 ml or 41% Roundup 150-200 ml or 41% Nongfu 150-200 ml or 74.7% of farmers are happy to have water soluble granules 75-100 grams; or 20% grams of traceless water 150-200 ml. 30-45 kg of watered evenly sprayed to eliminate the unearthed weeds, or 41% of the farmer plus 50% paracetamol to dispose of the excavated and unearthed weeds.
2. Seedling weeding after sowing. After sowing, until the seedlings of the leaf 2 leaf 1 heart stage or the weeds 2 leaves 1 heart, the mu with 50% paracetamol WP 75-100 g or 25% Praxanthine WP 150-200 g; or 25% Kasaoqing (thiophene Long) WP6-8 grams; or 50% of isoproturon WP100-125 grams; 6.9% of the hippocampus EC40-60 ml (this drug is prohibited for use in barley); 25% chlorotoluron WP200-250 grams. Single, dicotyledonous, broad-leaved weed-maturing wheat fields can be based on the above-mentioned agents plus 75% superstar dry suspension 1 g or 20% chlorsulfuron EC 20 ml or 75% broad-leaf dry suspension 1.5-2.0 g , Watered 30-40 liters evenly spray, better weeding effect.
Wheat seed treatment and chemical weeding technology
To do a good job of wheat seed treatment and chemical weed control to control the damage of pests and weeds at seedling stage is an important measure to cultivate seedlings and strong seedlings.
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