- Protection of trees
-
A method for the protection of trees of the families Musaceae or Plantanginaceae from destructive pests whereby the trees to be protected share a common root system.
- -
-
-
- Organophosphorus compound and insecticidal, miticidal or nematicidal composition containing it
-
An organophosphorus compound represented by the general formula: STR1 where each of X1 and X3 is a hydrogen atom; an alkyl or alkoxy group which may be substituted by halogen, alkoxy, alkylthio, phenoxy, halogenated phenoxy, phenylthio or halogenated phenylthio; a carboxyl group; an alkoxycarbonyl group; or a phenyl group which may be substituted by halogen, each of X2 and X4 is a hydrogen atom or an alkyl group, provided that X2 and X3 may together form an alkylene group, each of Y1, Y2 and Z is an oxygen atom or a sulfur atom, and each of R1 and R2 is an alkyl group.
- -
-
-