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. 2026 Apr 15;17:1799303. doi: 10.3389/fpls.2026.1799303

Table 1.

Fluorescence on KB agar and LOPAT test response of the eight rosemary isolates.

Strain Fluorescence on KB LOPAT
Levan Oxidase Potato rot Arginine dihydrolase Tobacco HR Interpretation
1N2 – – – + – + P. viridiflava
1N3 + – – + – + P. viridiflava
1N4 + – – + – + P. viridiflava
2N5 + – – – – + P. syringae pv. savastanoi
2N9 + – – – – + P. syringae pv. savastanoi
2N8 – – – – – +/- NLP
3N1 - (yellow colony) – – + – + P. viridiflava
3N3 - (yellow colony) – – + – + P. viridiflava

-, negative reaction; +, positive reaction; +/- weak reaction; NLP, no LOPAT profile detected.