ABOUT PLANT PRESERVATIVE MIXTURE (PPM) PPM is a heat-stable preservative/biocide which may be utilized to efficiently forestall or reduces microbial contamination in plant tissue custom. At optimum doses, PPM, which stands for Plant Preservative Mixture, is a very environment friendly Preservative/Biocide, however would not impair in vitro seed germination, callus proliferation and callus regeneration. PPM… Continue reading
