What are the common diseases and insect pests of sunflowers?

What are the common diseases and insect pests of sunflowers? Please introduce sunflower to the following diseases and insect pests: Sclerotinia sclerotiorum ① rotation stubble; ② seed treatment, uncoated seeds are mixed with 50% carbendazim wettable powder according to 3% of seed quantity; ③ soil treatment, 50% carbendazim wettable powder 250g / mu and fine sandy soil are mixed into medicinal soil, which are scattered into the ditch with sowing. ④ wide and narrow row planting, wide row 80cm, narrow row 40cm, plant distance: edible sunflower about 40cm, oil sunflower about 25cm; ⑤ medicine soil root application, 50% carbendazim wettable powder or 50% carbendazim wettable powder 350g / mu and fine sandy soil sprinkled on the rhizome of Sclerotinia sclerotiorum ⑥ spray, at the beginning of the disk, spray with 50% carbendazim wettable powder or 50% carbendazim wettable powder 1500 times, or 40% sclerotia Jing 800 liquid. Borer ① adult control, sex attractant and insecticidal lamp, 10% methomyl EC 1000 times, 40% chlorpyrifos EC 800 times, and sprayed in the evening; ② larvae before drilling seed control, 90% trichlorfon crystal 1000 times, 20% fenvalerate 1000 times, 4.5% cypermethrin 1500 times. Spray again every 5 days or so. Liedang ① selected anti-Liedang varieties. ② has been in rotation with gramineous crops for at least 6-7 years. ③ ploughed and weeded 2 or 3 times before unearthing and flowering and fruiting, uprooted and buried deeply or burned. ④ strictly quarantines seeds to prevent them from being brought into Liedang seeds from the disease area. Rust ① and Gramineae crop rotation stubble; ② deep tillage stubble; ③ seed treatment, uncoated seeds must be mixed with 50 kg seeds with 25% hydroxyrust wet powder per 100g; ④ wide and narrow row planting, timely intertillage and drainage, reduce field humidity; ⑤ chemical spray. Spray in time at the initial stage of the disease. 15% triadimefon wettable powder 1000-1500 times, 50% triadimefon EC 800 times, etc., control again every 10 days or so. Click to get more sunflower planting techniques click to get more grain and oil crop planting techniques