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In desiccation-tolerant plants vegetative organs can dry to about 4–13% relative water content, while desiccation-sensitive plants die when their relative water content drops below 20–50%. Desiccation-tolerant plants have different stress-adaptation strategies that provides good basis for their catalogization. Thus, these plants may be subdivided into homoiochlorophyllous and poikilochlorophyllous...
The first procedures have been established for in vitro micropropagation and plant regeneration of the desiccation-tolerant plant Ramonda myconi (L.) Rchb. An integrated optimisation of salt, antioxidant and growth regulator composition, and potassium-phosphate buffer-mediated pH stabilisation of culture media resulted in an effective tissue culture system that prevented the undesirable hyperhydricity...
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