. Blast and black pit caused by Bacterium citriputealc C. 0. Sm. These diseases have been shov/n by Fav/cett, Home, and Camp-^ to be caused by the same bacterium which has also teen described by Lee under the name of Bacterium citrarefacionq. Iho organicm causes black pit only in routhorn Cali- fornia, but in northern California produces both blast and black pit abundantly 1. Fawcett, H. S., V,'. T. Korne, arxl A. F. Camp. Citrus blast and black pit. Calif. Citrogr. G: 234. May I92I.

---

Size: 1849px × 2704px
Photo credit: © The Bookworm Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookcollectionbiod, bookdecade1920, bookyear1922