Influence of environmental conditions on reactions induced by infiltration of bacteria
      into plant leaves

Hildebrand, D; Riddle, B

Influence of environmental conditions on reactions induced by infiltration of bacteria into plant leaves

Authors

D. C. Hildebrand
Beverly Riddle

Authors Affiliations

D. C. Hildebrand was Associate Research Plant Pathologist, Department of Plant Pathology, Berkeley; Beverly Riddle was Laboratory Technician, Department of Plant Pathology, Berkeley.

Publication Information

Hilgardia 41(2):33-43. DOI:10.3733/hilg.v41n02p033. September 1971.

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Abstract

The number of bacteria needed to cause the hypersensitive (HR) or other necrotic responses in plant leaves was determined often by the environmental conditions under which the plant was grown prior to and after intromission of the bacteria into the intercellular spaces. Low temperatures reduced the number of Pseudomonas syringae, P. phaseolicola, and P. savastanoi cells required for HR whereas they increased the cell numbers required with P. solanacearum. Temperature and the tobacco species used affected induction of HR by xanthomonads. The amount of light influenced the type of response induced by agrobacteria with a necrotic response occurring under conditions of darkness.

Literature Cited

Hildebrand D. C., Schroth M. N. A new species of Erwinia causing the drippy nut disease of live oaks. Phytopathology. 1967. 57:250-53.

King E. O., Ward M. K., Raney D. E. Two simple media for the demonstration of pyocyanin and fluorescin. Jour. Lab. Clin. Med. 1954. 44:301-07.

Klement Z., Farkas G. L., Lovrekovich L. Hypersensitive reaction induced by phytopathogenic bacteria in the tobacco leaf. Phytopathology. 1964. 54:474-77.

Klement Z., Goodman R. N. The hypersensitive reaction to infection by bacterial plant pathogens. Ann. Rev. Phytopathol. 1967. 5:17-44. DOI: 10.1146/annurev.py.05.090167.000313 [CrossRef]

Leben C., Schroth M. N., Hildebrand D. C. Colonization and movement of Pseudomonas syringae on healthy bean seedlings. Phytopathology. 1970. 60:677-80. DOI: 10.1094/Phyto-60-677 [CrossRef]

Lelliott R. A., Billing E., Hayward A. C. A determinative scheme for the fluorescent plant pathogenic pseudomonads. Jour. Appl. Bacteriol. 1966. 29:470-89. DOI: 10.1111/j.1365-2672.1966.tb03499.x [CrossRef]

Lippincott J. A., Heberlein G. T. The induction of leaf tumors by Agrobacterium tumefaciens Amer. Jour. Botan. 1965. 52:396-403. DOI: 10.2307/2440334 [CrossRef]

Lovrekovich L., Lovrekovich H. Tissue necrosis in tobacco caused by a saprophytic bacterium. Phytopathology. 1970. 60:1279-80. DOI: 10.1094/Phyto-60-1279 [CrossRef]

Lozano J. C., Sequeira L. Differentiation of races of Pseudomonas solanacearum by a leaf infiltration technique. Phytopathology. 1970. 60:833-38. DOI: 10.1094/Phyto-60-833 [CrossRef]

Sands D. C., Schroth M. N., Hildebrand D. C. Taxonomy of phytopathogenic pseudomonads. Jour. Bacteriol. 1970. 101:9-23.

Schroth M. N., Hildebrand D. C. Host reaction as a method of differentiating bacterial plant pathogens 1967. Proc. 2nd Internal. Conf. Phytopathogenic Bacteria, Oeiras. Portugal, #23