Murashige and Skoog Shoot Multiplication Medium A is a widely used plant tissue culture growth medium. M&S Basal Medium contains macronutrients that include high levels of nitrate and organic additives such as agar, sugars, vitamins and growth regulators. Important growth regulators frequently added to M&S include IAA (auxin/morphogen) and the Kinetin (cytokinin/cell division promoter).
Formula variant
With the macro- and micronutrients, vitamins, sucrose, IAA, sodium phosphate, adenine and 2iP as described by Huang and Murashige (1976) TCA Manual.Media Formulation
Preparation Note
Murashige and Skoog medium can be reconstituted from powder or by combining products that are major components of complete M&S medium, such as macronutrient mixtures and vitamin mixtures. Murashige and Skoog Shoot Multiplication Medium A (M7024 is a variant media) with macro- and micronutrients, vitamins, sucrose, IAA, sodium phosphate, adenine and 2iP.