L10110  William Steele Medium 1b (WSM 1b)

Complete instant medium with gelling agent, ready to use.
Developed by William K. Steele, Spangle Creek Labs, for sowing
Cypripedium reginae from long stored (refrigerator) seed, based on
Harvais medium. Works well on long stored seed of other
species, including other genera of temperate terrestrial orchids.
Slightly modified by Hengduanbiotech for being provided in instant
powder form. This medium contains cytokinin, and protocorms
should be replated in time! pH pre-adjusted to 5.7-5.9.
37 g per liter
Hygroscopic! Sealed in heavy duty plastic bag. To be
used immediately after opening.
Sterilization: autoclavable
Storage Temp.: RT (max. 1 year). For longer shelf life (>1 year) store at 4 ˇăC, for maximum
shelf life (>3 years) store at -20 ˇăC or below. Use up opened bags immediately and
do not store left-over powder from open bags!
Proprietary composition.

 

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