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不同药剂复合拌种对马铃薯黑痣病和疮痂病的田间防效

Gansu Agricultural Science and Technology(2022)

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Abstract
马铃薯黑痣病和疮痂病是影响马铃薯品相及产量的主要土传性病害.为有效防控该类病害,选取0.3%四霉素水剂、3%中生菌素可湿性粉剂等9种药剂进行马铃薯复合拌种试验.结果表明,4个复合拌种处理对马铃薯出苗和长势均具有一定的促进作用,对马铃薯黑痣病的防效为38.10%~69.66%,对马铃薯疮痂病的防效为32.06%~61.50%.各处理马铃薯增产14.52%~40.36%,均增产显著.其中每100 kg切块种薯用2.5%咯菌腈悬浮种衣剂10 mL+0.3%四霉素水剂15 mL+0.136%赤·吲乙·芸苔可湿性粉剂2 g复合拌种处理,对马铃薯黑痣病防效为69.66%,对疮痂病防效为61.50%,增产率为40.36%,均显著高于其他处理,适于生产上推广.
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