Using dilution-plate method, the inhibiting effect to the bacteria of the vanillin was determined.
用稀释平板法测定了香兰素对细菌的抑制作用。
Phytophthora capsici Leonian in the soil was isolated on selective medium with soil dilution planting and tissue disk baiting methods.
从杭州、西安、广州及武汉等辣椒病田分别采集土样 ,室内晾干研碎后 ,用选择性培养基 ,采用土壤稀释平板法和组织诱饵法分离辣椒疫霉 (PhytophthoracapsiciLeonian) ,并对土壤中辣椒疫霉的密度进行量化处理。
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