Agar is a natural hydrocolloid extracted from several species of red algae, mainly the Gelidium, Gracilaria and Pterocladia types. This agar is impurity - free and recommended for the commercial micropropagation of ornamental, succulent and woody plant species as well as in vitro genetic engineering in the plant research field. This agar has a very high gel strength, = 1.000 g/cm2 which allows usage at very low concentrations, in typical applications, ranging from 0,5 to 0,6% or higher concentrations when used with other hydrocolloids. The product is clear and exhibits excellent transparency aiding in identifying visual contamination by bacteria or molds that could interfere in the development of plant cultures.
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