herbicidal

Electron-withdrawing 2-substituents electron-donating 3-substituents of the phenyl ring are favorable for increased herbicidal activity.

苯环2位是拉 电子基,3位是给电子基有利于提高除草活性.

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The bioassay results indicated that the title compounds exhibited no pesticidal activities, week antifungal activities, but certain herbicidal activities.

结果表明，此类化合物无杀虫活性，杀菌活性也不显著，但表现出一定的除草活性。

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Bensulide is the only presently registered herbicidal organophosphate.

只有地散磷是目前尚未正式鉴定的有机磷酸盐除莠剂.

词典精选例句

An application of exogenous Phe, Tyr and Trp can ensure not only protein synthesis, but also the growth of dodder seedlings against herbicidal injury.

外源苯丙氨酸（Phe）、酪氨酸（Tyr）和色氨酸（Trp）的供给既可保证幼苗内蛋白质合成不受草甘膦的影响，又可保证其在这一除草剂存在的介质中能够正常生长。

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the compound has good herbicidal function to crabgrass and abutilon.

本发明的化合物对马唐、苘麻具有良好的除草作用。

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The aim was to study the herbicidal and effect of the extract from Chenopodiaceae weeds.

研究藜科杂草提取物的除草、抑菌功能.

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The acetochlor is belonged of one series of ailines " herbicide and has primarily herbicidal properties. "

乙草胺属酰胺类除草剂,具有优良的 除草 性能.

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This paper studied the synthesis of 2,3,5-trichloropyridine and 2,3-difluoro-5-chloropyridine, which can be used as intermediate for the production of herbicidal or pesticidal active substance.

本文主要研究了重要的农药中间体2,3,5-三氯吡啶和2,3-二氟-5-氯吡啶的合成，它们可以广泛的用来合成具有除草或者杀虫活性的化合物。

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Herbicidal effects of dcpa. NAC mixture and its selectivity on citrus fruits

敌稗、西维因混剂的除草效应及其对柑桔类果树的选择性

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Studies on herbicidal activities of four solvent extracts from Xanthium sibiricum

苍耳4种溶剂提取物除草活性的研究

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