Method of inducing tillering using pyridine derivatives, and some of the pyridines themselves, process for preparing them and agricultural compositions containing them.

摘要

A method for inducing tillering in monocotyledonous (e.g. cereals) using compounds having the formula :
<CHEM>
wherein R<1> is hydrogen, halogen, alkyl, hydroxy, amino, phenyl or alkoxy carbonyl, R<2> is cyano or carboxy or a derivative thereof, R<3> is optionally substituted phenyl, and n is 0 or 1.