[目的]评价噻呋酰胺拌种对花生病害的防治效果。[方法]通过不同用量240 g/L噻呋酰胺悬浮剂拌花生种仁的方法,研究其对花生苗期根腐病、茎腐病和中期白绢病的控制效果及对花生产量的影响。[结果]在240 g/L噻呋酰胺悬浮剂用量150、300、450 m L/hm~2处理中,以450 m L/hm~2处理较好,对根腐病、茎腐病防治效果可达66.64%~74.00%,超过两常规对照的49.96%~60.00%。240 g/L噻呋酰胺悬浮剂拌种对防治花生白绢病发生的效果欠佳,但对延缓白绢病发生有一定效果;240 g/L噻呋酰胺悬浮剂拌种对花生具有增产效果,在用量150、300、450 m L/hm~2处理中,以450 m L/hm~2处理效果更好,产荚果4 444.95 kg/hm~2,较空白对照增产692.40 kg/hm~2,增幅18.45%,两常规对照产荚果分别为4 337.55和4 357.50 kg/hm~2,较空白对照增幅分别为15.59%和16.12%。[结论]试验结果为噻呋酰胺的进一步研究与应用提供了理论依据。
【英文摘要】
[Objective] To evaluate the control efficiency of seed dressing by thifluzamide suspending agent on peanut diseases. [Method]Peanut kernel was dressed by different dosages of 240 g / L thifluzamide suspending agent. Its control efficiency on root rot,stem rot and medium-term southern blight as well as effect on peanut yield were researched. [Result]Among the dosage treatments of 240 g / L thifluzamide suspending agent,450 m L / hm~2 treatment was relatively good; its control efficiencies to root rot and ste...
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