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The populations of endophytic actinomycetes from healthy and wilting tomato plants (tomato cultivars resistant and susceptible to Ralstonia solanacearum) grown in three different sites from Guangzhou, Guangdong Province, South China were investigated by cultivation methods. Most of the isolates belonged to streptomycetes. The Aureus group of Streptomyces was the most frequently isolated group. The...
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