Lloyd and McCown Woody Plant Basal Medium with Vitamins (WPM) (Powder)

Culture Media / Media-Plant

4°C

Supplied as a powder.

Contains the macro- and micronutrients and vitamins as described by Lloyd and McCown (1981).

This medium was originally developed for the culture of shoot tips of Mt. Laurel. The medium has since become a standard for the culture of many woody plant species. Potassium nitrate has been eliminated from this medium and replaced with potassium sulfate. The levels of ammonium nitrate are 1⁄4x compared to MS. Nitrogen is also provided by calcium nitrate.

Appearance:
Off-white to yellow, homogeneous, free flowing powder

Solubility:
Colorless, clear, complete. If needed, add slight heat.

pH:
As Reported