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立枯病诊断:立枯苗期多常见,幼茎如若把病染,褐色病斑绕茎转,病部缢缩状似线。幼苗折倒损失惨,若遇干旱株萎蔫。病残伴菌至翌年,成为再发侵染源。防治:抗病品种首当选,播前土壤要深翻。高畦栽培少施氮,培育壮苗是关键。药剂拌种防效显,多福湿粉拌种双。种量药量算准确,防止药害莫出错。拌种双40%粉剂,用种子重量0.2%的药剂拌种;多·福60%可湿性粉剂,用种子重量0.2%的药剂拌种。
Blight diagnosis: more dead seedlings more common, young stems if the disease, brown lesions around the stem turn, the Department of Symptom Reduced line. Fold loss of seedlings miserable case of drought wilt. Sick residue with the following year, a recurrence of infection. Prevention and control: the first election of resistant varieties, soil sowing before deep plowing. Cultivation of high tillage less nitrogen, nurturing strong seedling is the key. Pharmacy Seed dressing effect, more than double wet powder dressing. The amount of dose calculation is accurate, to prevent injury is not wrong. Mixing double 40% powder, seeds with seed weight 0.2% of the seed dressing; 60% wet and more fertile powder, seed dosage 0.2% seed dressing.