<正>用紫外吸收光谱和~(14)C原子示踪技术,对多菌灵在处理后的马尾松种子、幼苗和土壤中的吸收和残留动态进行分析,并讨论多菌灵不同处理方法在防治松苗猝倒病效果上所存在差异的原因,从而论证了用多菌灵防治松苗猝倒病最理想的处理方法。

Ultraviolet spectrophotometry and radioactive tracers are used to analyse the uptake and residue of carbendazim in pine (Pinus massoniand) seeds, seedlings and soil treated with the fungicide. The diversities are discussed of effect on the control of damping-off of pine seedlings by using carbenazim. in various ways. The best way is found to treat pine seedlings with carbendazim.