post-emergence grass weed selective herbicides Post-emergence selective herbicide What is it for Zapi Post-emergence Gramineae weed eliminates the weeds of the turf, among which the Digitaria acting by foliar absorption When using Post-Emergency, when the infestant has already developed March - September How to use We recommend using a pump for weeding. The product must be diluted in water in the dosages shown on the package. Packages available Bottle in case with measuring 100 ml