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本试验较为系统全面地测定了甲霜灵锰锌对烟草炭疽病菌的毒力及防治效果.结果表明:甲霜灵锰锌对菌落生长和分生孢子萌发均有明显的抑制效果;温室人工接种的平均防效为79.3%;田间防治效果平均为74.6%.本结果对防治烟草炭疽病及合理有效使用农药、减少生产成本提供了依据.
The test was more systematic and comprehensive determination of the toxicity of metalaxyl and manganese and zinc on the anthracnose pathogen and control effect of tobacco anthrax.The results showed that: metalaxyl and manganese zinc on colony growth and conidia germination have obvious inhibitory effect; artificial greenhouse inoculation The average control effect was 79.3%, and the average field control effect was 74.6% .This result provides a basis for the prevention and control of tobacco anthracnose and the rational and effective use of pesticides and the reduction of production costs.