1-aryl-1,4-dihydro-4-oxo-3,5-dicarboxypyridazine derivatives and their use as plant growth regulators and hybridizing agents

摘要

This invention relates to 1-aryl-1,4-dihydro-4-oxo-3,5- dicarboxypyridazine derivatives which are not only useful as plant growth regulators and hybridizing agents for cereal grain crops but possess the additional utility of having an improved margin of safety as concerns plant injury and seed quality.