Prevention and control of sunflower pests and diseases

Sclerotinia for 1 round of dumping; 2 seed treatment, uncoated seeds with 50% carbendazim wettable powder by 3% seed dressing; 3 soil treatment, 50% quickening wettable powder 250 g/mu and fine Sand composting soil, with the seeds sowed into the ditch; 4 wide and narrow rows of planting, wide line 80 cm, narrow line 40 cm, spacing between plants: edible sunflower about 40 cm, oil with about 25 cm sunflower; 5 medicine soil root, 50% Sicilian WP or 50% carbendazim WP 350 g/mu and fine sandy soils are used to spread the rhizomes during the sclerotial blastocyst period; 6 spraying, the initial stage of the discs, 50% sicillin wettability Powder or 50% carbendazim WP 1500 times, or 40% sclerotin net 800 spray.

Aphid 1 adult control, sex attractant and insecticidal lamp, pharmaceuticals have 10% of diclofen EC 1000 times, 40% chlorpyrifos EC 800 times, and spraying in the evening; 2 larvae drilled before the grain control, 90% of the agent The trichlorfon crystal is 500 times, 20% is fenvalerate 1000 times, and 4.5% beta-cypermethrin is 1500 times. Spray it again every 5 days or so.

Column 1 used anti-Lee Dang variety. 2 Rotation with grass crops for at least 6 to 7 years. The 3 columns were cultivated and weeded 2 to 3 times before unearthing and flowering, and were deeply rooted or burned. 4 Strict seed quarantine to prevent the introduction of seeds from the wards.

Rust 1 and crops rotation cropping; 2 deep plowing; 3 seed treatment, uncoated seeds must be seed dressing, 25% hydroxycamptoluene WP mix 50 kg seeds per 100 grams; 4 wide and narrow row planting, timely cultivator and Drain the phlegm and reduce the humidity in the field; 5 sprays. Early onset of spraying. 15% triadimefon WP can be 1000~1500 times, 50% rust rust EC 800 times, etc., and then prevent and treat once every 10 days or so.

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