| 释义 |
diquat Chem.|ˈdaɪkwɒt|
[f. di-2 + quaternary a.]
A quaternary compound with herbicidal properties (see quot. 1960).
1960Agric. & Vet. Chem. I. 197/2 Diquat is one of a group of quaternary dipyridylium salts which possess quite unique properties. Ibid., Diquat is thus a contact herbicide with a very rapid action, two main outlets being as a pre⁓harvest desiccant and as a contact weedkiller. 1962New Scientist 22 Feb. 441/3 Diquat is quickly absorbed by weeds, killing rapidly on contact with their foliage. 1965Economist 9 Jan. 130/2 A product like the paraquat/diquat ‘chemical ploughing’ agents (for squares: weedkiller). |