Murashige and Skoog medium 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).
With the macro- and micronutrients, and vitamins as described by Linsmaier and Skoog (1965).
Formulated to contain 4.4 grams of powder per liter of medium.
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 (M6899 is a variant media) with macro- and micronutrients, vitamins as described by Linsmaier and Skoog.