其中丁香石油醚提取物杀螨活性最为突出，是丁香的主要杀螨活性部位。
The acaricidal activity of the extracts of n-butanol and distilled water were not detected in this test.
采用叶片残毒法测定了16种红树植物甲醇提取物对柑橘红蜘蛛的杀螨活性。
Acaricidal activity of methanol extracts from 16 mangrove plants against Panonychus citri McGregor was determined.
脒类化合物作为杀螨杀虫剂，具有广谱、低毒、活性高的优势。
It has a broad spectrum, low toxicity and high activity when used as pesticide.
脒类化合物作为杀螨杀虫剂，具有广谱、低毒、活性高的优势。
It has a broad spectrum, low toxicity and high activity when used as pesticide.
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