内吸杀虫剂
nèi xī shā chóng jì
- systemic insecticide
内吸杀虫剂
内吸杀虫剂[nèi xī shā chóng jì]
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作为预防措施，要用内吸杀虫剂对植物定期喷洒，或熏蒸。
As preventive , spray plants with systemic insecticide or fumigate them regularly .
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内吸杀虫剂看来特别有效。
Systemic insecticides have shown particular promise .
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三种内吸性杀虫剂对棉花多酚氧化酶和羧酸酯酶活性的影响
Effects of Insecticides on the Activities of Polyphenol Oxidase and Carboxylesterase in Cotton Seedlings