1X MS

1X MS kdorfman Wed, 12/22/2021 - 20:37
To make 30 mL plates
add: mL water initial volume*
add: mL 10X macronutrients [1]
add: mL 10X micronutrients [2]
add: g MES. pH to 5.7 w/ 1M KOH**
bring volume to: mL water final volume
add: g bacto or phyto agar
autoclave for: minutes

*Add the other salt mixtures to the water to prevent precipitation

**pH to 5.7 with 1M KOH (initial pH = ~3.66) (needs~21 drops or ~720 µL/L)

Autoclave with stir bar in flask or bottle

Stir until cool enough to handle

Pour 30 mL per plate (use the deep ones)

[1]: Sigma M 0654 Murashige and Skoog basal salt macronutrient solution (Krackeler 45-M0654-1L-EA) ~$26

[2]: Sigma M 0529 Murashige and Skoog basal salt micronutrient solution (Krackeler 45-M0529-1L-EA) ~$26