Table 5 Morphological characteristics of selected potential biocontrol isolates
Potential rhizosphere bacterial isolates | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Isolate ID | Colony morphology | Indole production test | Methyl red test | Voges proskaeur's test | Citrate utilization | Oxidase test | Catalase test | KOH test | Gram staining | Shape |
S1NA7 | Cream coloured moderate smooth circular colonies with wavy margin | − | − | + | + | − | + | − | + | Rod |
S2NA6 | White coloured small veined irregular colonies with wavy margin | − | − | + | + | − | + | − | + | Rod |
S3KB6 | Greyish white coloured large rough irregular colonies with wavy margin | − | − | + | + | − | + | − | + | Rod |
S4KB5 | Buff coloured large rough irregular colonies with wavy margin | − | − | + | + | − | + | − | + | Rod |
S8KB2 | Cream coloured veined moderate irregular colonies with wavy margin | − | − | + | + | − | + | − | + | Rod |
S9KB4 | White coloured small wrinkled irregular colonies with entire margin | − | − | − | − | + | + | − | + | Rod |
S10KB2 | Cream coloured moderate veined irregular colonies with wavy margin | − | − | − | − | − | + | − | + | Rod |
Potential rhizosphere Trichoderma isolate | ||
|---|---|---|
Isolate ID | Cultural characteristics | Microscopic characteristic |
Tricho5 | White coloured culture turns to green later based on conidia colour | Globose conidia produced on bottle shaped conidiophores |