The text appears to be a research-related question posted on ResearchGate, where the user is investigating the **antagonistic activity of bacteria** against **Coffee Berry Disease (CBD)** caused by *Colletotrichum kahawae*. The user has conducted experiments using **Potato Dextrose Agar (PDA)** and **Nutrient Agar with 10% glucose**, likely to observe whether bacterial strains can inhibit the fungal pathogen.

From the surrounding page content, it seems that ResearchGate is a platform where researchers discuss scientific topics, ask questions, and share findings. However, the specific page does not provide direct information related to the user's experiment.

Based on external sources, studies have shown that certain **bacterial strains**, such as *Bacillus* species, can exhibit **antagonistic effects** against *Colletotrichum kahawae*. These bacteria may inhibit fungal growth through mechanisms like **antibiosis, competition for nutrients, or enzyme production**. If an **inhibition zone** appears around the bacterial colony, it suggests that the bacteria are successfully suppressing the fungal pathogen.

Please provide more details; however, you can read our latest article, we inhibited the growth of Fusarium using rhizobium isolates.

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