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The beneficial effect of chitin-based treatments to antagonistic bacteria is not restricted to B. subtilis, with both chitin and chitosan improving the control of Fusarium wilt in both tomato [66] and cucumber [67] when applied to the soil with a range of different species of chitinolytic microbes.
â¢There are some friendly bacteria such as intestinal flora or micro flora which are good for human health. These healthy stomach bacteria are helpful to release many useful vitamins such as vitamin B and vitamin K, etc. The most important task that stomach bacteria do is to maintain normal pH level or acid level of human stomach. Harmful bacteria