| Subject | English | Latin |
| pest.contr. | apple and pear canker | Nectria galligena |
| biol. | canker of pear | Neofabraea malicorticis Corda Jackson |
| biol. | canker of pear | Diaporthe ambigena Sacc. Nitschke |
| agric. | Pear bacterial canker, Stone fruits bacterial canker, Trees bacterial canker, Citrus pit black, Citrus blast, Bean brown spot, Maize chocolate spot, Sorghum bacterial leaf spot | Pseudomonas syringae pv. syringae |
| agric. | Pear bacterial canker, Stone fruits bacterial canker, Trees bacterial canker, Citrus pit black, Citrus blast, Bean brown spot, Maize chocolate spot, Sorghum bacterial leaf spot | Pseudomonas holci |
| agric. | Pear bacterial canker, Stone fruits bacterial canker, Trees bacterial canker, Citrus pit black, Citrus blast, Bean brown spot, Maize chocolate spot, Sorghum bacterial leaf spot | Pseudonomas syringae |
| agric. | Pear bacterial canker, Stone fruits bacterial canker, Trees bacterial canker, Citrus pit black, Citrus blast, Bean brown spot, Maize chocolate spot, Sorghum bacterial leaf spot | Pseudomonas cerasi |
| biol. | pear canker | Valsa ambiens Fr. |
| biol. | pear canker | Valea ambiens Pr. |
| biol. | pear trunk canker | Nectria galligena Bres. |
| biol. | Physalospora canker of pear | Physalospora piricola Nose. |