Abstract
The pot experiment was carried out to study the effects of eight functional strains on growth promotion of tomato and resistance to tomato bacterial wilt. The results indicated that the two strains both Paenibacillus polymyxa and Bacillus megaterium could significantly increase the plant height of tomato; the two strains of Paenibacillus azotoformans and Bacillus laterosporus could significantly improve the stem diameter of tomato; the three strains of Paenibacillus polymyxa, Bacillus laterosporus and Paenibacillus azotoformans could significantly increase the average leaf area and chlorophyll contents of Tomato; the four strains of Bacillus subtilis, Bacillus licheniformis, Paenibacillus polymyxa and Streptomyces microflavus could obviously inhibit occurrence of tomato bacterial wilt. All above results indicated that Paenibacillus polymyxa could not only significantly increase the height, the average leaf area and chlorophyll content of tomato plant, but also could obviously reduce the incidence of tomato bacterial wilt. So this strain can be used as one of core strains to construct multifunctional composite inoculants.
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