作者从郑州苹果园中分离到枯草芽孢杆菌的一株强拮抗菌株。
Bacillus subtilis B-903 strain was isolated from apple orchard in Zhengzhou.
试验结果表明SZF2和SZF7这两个拮抗菌株发酵液的抗菌谱具有广谱性，对5种病原真菌均有抑制作用。
The fermentation extract of SZF2 and SZF7exhibited an inhibitory ability to 5 species of phytopathogenic fungi, this showed that thefermentation extract had a broad antibiotic spectrum.
拮抗菌的分离和筛选：用稀释平板法，从果实表面以及果园根际土壤中分离得到376个菌株。
There were 376 strains isolated from the surface epiphytes of apples and rhizosphere soil using the method of serial dilution.
拮抗性试验结果表明，放线菌拮抗菌虽然广泛分布于土壤中，但具有强烈抑菌作用的拮抗性菌株是非常稀少的。
In antibiotic test, the datum showed that the antagonistic Actinomyces extensive distribute in the soil, but the strongly antagonistic Actinomyces were few.
拮抗性试验结果表明，放线菌的拮抗菌虽然广泛分布于植物根际土壤中，但具有强烈抑菌作用的拮抗性菌株是非常稀少的。
In antibiotic test, the datum showed that the antagonistic Actinomyces extensive distribute in the plant rhizosphere soil, but the strongly antagonistic Actinomyces were few.
本研究以棉花黄萎病拮抗菌ds45 - 2作为试验菌株，对抗菌物质发酵条件进行了初步摸索。
Experiments indicated that the optimum fermentation condition for DS45-2, an antagonistic bacteria against Verticillium wilt of cotton, are LBG medium of pH8.
本研究以棉花黄萎病拮抗菌ds45 - 2作为试验菌株，对抗菌物质发酵条件进行了初步摸索。
Experiments indicated that the optimum fermentation condition for DS45-2, an antagonistic bacteria against Verticillium wilt of cotton, are LBG medium of pH8.
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