المكافحة الاحيائية للفطر F.oxysporum المسبب لمرض تعفن جذور وذبول الرقي تحت ظروف الظلة الخشبية
DOI:
https://doi.org/10.59658/jkas.v2i2.488Abstract
Results of pot experiment revealed that all treatment caused a significant reduction in the infection intinsity and Fusarium oxysporum isolate where the intraction treatment between Azotobacter chroococcum and Bacillus thuringiensis significantly reduced the infection intensity and pathogenic fungus giving 4.17% compared with the pathogenic fungus alone which gave 83.33% .Results also revealed that,the addition and Azotobacter chroococccum and Bacillus thuringiensis separately in the presence and the pathogenic fungus caused a significant reduction in the infection intensity waehing 16.67% and 25.00% respectively as compared with the pathogenic fungus alone .which positively refleclid on the watermelon growth parmeters represented by the length,dry and fresh weights and shoot and root systems .
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