Table 2. Characterization and identification of actinomycetes using the 16S rDNA gene sequence and minimum inhibitory concentration (MIC) values of actinomycetes against the growth of 1, X. campestris pv. campestris; 2, X. oryzae pv. oryzae; 3, R. solanacearum and 4, P. carotovorum.
| Isolate No. | Morphological characteristic | Source | Accession No. | MIC(mg L−1) | 16S rDNA gene identification(% similarity) | |||
|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | |||||
| DSC3-6 | Powdery colonies | Pollen | LC536753 | 32 | 16 | 32 | 64 | Streptomyces ramulosus (99.42%) |
| Substrate mycelium: cream | ||||||||
| Aerial spore mass: grey or black | ||||||||
| Produce yellow pigment | ||||||||
| DGA3-20 | Powdery colonies | Pollen | LC536752 | 32 | 32 | 32 | 64 | Streptomyces axinellae (99.70%) |
| Substrate mycelium: cream or grey | ||||||||
| Aerial spore mass: grey or black | ||||||||
| DGA8-3 | Powdery colonies | Honey | LC536754 | 32 | 32 | 32 | 64 | Streptomyces drozdowiczii (99.71%) |
| Substrate mycelium: cream | ||||||||
| Aerial spore mass: grey or black | ||||||||