. Fig. 154.—Pseudomonas campestris, causing hactciiosis in cabbage; cabbage skin cut across, showing the discoloration caused by the organism. long been known in the United States, where it sometimes devastates the entire crop in a field in a very short period of time. It has also been recorded from several European countries, and was first observed in England in 1902. In addition to cabbages, many other members of the Cruciferae are also attacked, as bnisscls sprouts, kale, rape, broccoli, radish, turnips, both white and swedes, etc. The fibro- vascukir bundles are attacked and soon turn blac
. Fig. 154.—Pseudomonas campestris, causing hactciiosis in cabbage; cabbage skin cut across, showing the discoloration caused by the organism. long been known in the United States, where it sometimes devastates the entire crop in a field in a very short period of time. It has also been recorded from several European countries, and was first observed in England in 1902. In addition to cabbages, many other members of the Cruciferae are also attacked, as bnisscls sprouts, kale, rape, broccoli, radish, turnips, both white and swedes, etc. The fibro- vascukir bundles are attacked and soon turn black, a character by which this disease can be recognised : the veins of a diseased leaf become quite black and arc very conspicuous.
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Photo credit: © The Bookworm Collection / Alamy / Afripics
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Keywords: ., bookpublishernewyorkmacmillan, booksubjectplantdis, bookyear1910
