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UV-B effects on southern African plants
Effects of a 35 % increase in background ultraviolet-B radiation on 17 economically important herb, shrub and tree species were examined by Musil et al. (pp. 127-137). Patterns of response to UV-B were unrelated to plant growth form, leaf thickness, flavonoid or starch content. The great majority of species were insensitive to the UV-B increase. Exceptions included mopane and cowpea, both traditional sources of livelihood to rural African populations.
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