Abstract
The physiological responses of desert moss crusts under four artificial media (Beneck, Part, BG11, and Hogland) were investigated to evaluate the function of culture media during different culture periods. The results showed that the value of malondialdehyde (MDA) was at a maximum at 11d, on the contrary, chlorophyll-a, soluble protein, and soluble sugar were at a minimum. As the time increased, the value of MDA and soluble protein decreased faster in the Hogland, while the value of chlorophyll-a and soluble sugar increased. At the end of the culture period, the value of chlorophyll-a and soluble sugar was at a maximum in the Hogland, while the value of MDA and soluble protein was at a minimum. The results suggested that the Hogland medium had a promoting effect on the growth of desert moss crusts. The selected artificial cultivation medium towards wider and larger scale field applications of cultural desert biocrust was widely anticipated.
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