Cyclopropylmalonanilate derivative for retarding plant growth, plant growth retardant preparation and use thereof

摘要

Method of retarding plant growth comprises applying an effective amt. of cpd. of formula (I), R1 and R2 are independently a substd. or unsubstd. carbocyclic or heterocyclic ring system, Y1 and Y2 are independently a substd. or unsubstd. heteroatom. Y3 and Y4 are independently hydrogen or a substd. or unsubstd. heteroatom or substd. carbon atom or a substd. or unsubstd. branched ot straight chain contg. two or more carbon atoms, or heteroatoms or (e.g.) halogen, alkylcarbonyl, formyl, alkylcarbonylalkyl, alkoxycarbonylalkyl, etc. -