Title: Certain diazines as plant pesticides

Abstract: Compositions and methods for combatting insects, fungal and bacterial plant pests are disclosed wherein the active ingredient is a compound of the formula Z--NH--Y wherein X is selected from the group consisting of a pyrazinyl radical bearing one to three substitutents, and pyrimidinyl and pyridazinyl radicals bearing two to three substituents; and Y represents phenyl, naphthyl, pyridyl or diazinyl bearing at least one substituent; the substituents in each case selected from the group consisting of halogen, cyano, nitro, trifluoromethyl, lower alkoxy, lower alkylthio, benzylthio, lower alkyl and amino, provided that (a) the compound bears at least four substituents of which at least two are halogen atoms, and (b) where X represents a pyrimidinyl radical and Y represents a pyridyl radical there is at least one substituent other than halogen present.

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Inventors: Barlow, Charles Brian (Camberley, EN)
White, Brian Graham (Crowthorne, EN)
Tomlin, Clive Dudley Spencer (Maidenhead, EN)

Application Number: 572830
Filing Date: 1975-04-28
Publication_date: 1976-08-10
Assignee: Imperial Chemical Industries Limited (London, EN)
Primary Class(es): 514/247 514/252.02, 514/252.03, 514/252.11, 514/255.05, 514/255.06, 514/256, 514/272
Other Classes:
US Patent Ref:

3499898

Mar, 1970

von Bebenbutg et al.

424/251.

Other Refs:
Primary Examiner: Turner, V. D.
Assistant Examiner:
Attorney: Cushman, Darby & Cushman