英语词汇“picloram”的英英意思、用法、释义、翻译、读音、例句、短语、词组、英语词典-本地帮

单词

picloram

释义

picloram|ˈpɪkləræm|
[f. picoline + chlor-² + amine.]
A white crystalline compound, 4-amino-3,5,6-trichloropicolinic acid, C₆H₃Cl₃N₂O₂, which is used as a herbicide and defoliant against deep-rooted weeds and woody plants.
1965Proc. Northeast. Weed Control Conf. XIX. 140 Effective control [of mugwort]..was obtained with..4-amino-3,5,6-trichloropicolinic acid (picloram).1965B.S.I. News May 24 The following new names have been approved by the Pest Control Products Industry Standards Committee for eventual inclusion in B.S. 1831... picloram... 4-amino-3,5,6-trichloropicolinic acid.1969Sci. Jrnl. Feb. 10/1 According to one estimate, no less than 2250 tonnes of picloram have been dumped on South Vietnam in 1968.1970Guardian Weekly 21 Feb. 6/4 The recently introduced chemical, picloram, is one of the longest-lived pesticides.1974Sci. Amer. Apr. 49/2 The herbicides sprayed over Vietnam were chemicals that are routinely applied for weed control: 2,4-D and 2,4,5-T, picloram and cacodylic acid.

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