Pseudomonas syringae strains ESC-10 and ESC-11 survive in wounds on citrus and control green and blue molds of citrus

Carolee Theresa Bull, J. P. Stack, J. L. Smilanick

Research output: Contribution to journalArticle

57 Citations (Scopus)

Abstract

Two Pseudomonas syringae strains (ESC-10 and ESC-11) controlled green and blue molds of citrus caused by Penicillium digitatum and Penicillium italicum, respectively, on both lemons and oranges. The efficacy of disease control by strain ESC-10 was superior to that of strain ESC-11. Application of strain ESC-10 reduced the incidence of green mold 31.1% more than application of strain ESC-11. Bio-Save 10, an EPA-registered product of EcoScience Corp. containing strain ESC-10 as its active ingredient, reduced the incidence of green and blue mold by 87.9% on lemons and by 58.6% on oranges compared to water-treated controls. Population sizes of both strains remained similar over 2 weeks in wounds on lemons. Population sizes of ESC- 10 decreased within 1 week on the surface of lemons, whereas in wounds, the infection court of the green and blue mold fungi, the populations decreased more slowly. Population sizes of strain ESC-10 in wounds on lemons or oranges did not differ. Population dynamics of these bacteria were not predictive of their differential efficacy as biological control agents.

Original languageEnglish (US)
Pages (from-to)81-88
Number of pages8
JournalBiological Control
Volume8
Issue number1
DOIs
StatePublished - Jan 1 1997

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Pseudomonas syringae
molds (fungi)
Citrus
lemons
population size
Penicillium italicum
Penicillium digitatum
incidence
active ingredients
biological control agents
disease control
population dynamics
fungi
bacteria
infection

All Science Journal Classification (ASJC) codes

  • Agronomy and Crop Science
  • Insect Science

Cite this

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title = "Pseudomonas syringae strains ESC-10 and ESC-11 survive in wounds on citrus and control green and blue molds of citrus",
abstract = "Two Pseudomonas syringae strains (ESC-10 and ESC-11) controlled green and blue molds of citrus caused by Penicillium digitatum and Penicillium italicum, respectively, on both lemons and oranges. The efficacy of disease control by strain ESC-10 was superior to that of strain ESC-11. Application of strain ESC-10 reduced the incidence of green mold 31.1{\%} more than application of strain ESC-11. Bio-Save 10, an EPA-registered product of EcoScience Corp. containing strain ESC-10 as its active ingredient, reduced the incidence of green and blue mold by 87.9{\%} on lemons and by 58.6{\%} on oranges compared to water-treated controls. Population sizes of both strains remained similar over 2 weeks in wounds on lemons. Population sizes of ESC- 10 decreased within 1 week on the surface of lemons, whereas in wounds, the infection court of the green and blue mold fungi, the populations decreased more slowly. Population sizes of strain ESC-10 in wounds on lemons or oranges did not differ. Population dynamics of these bacteria were not predictive of their differential efficacy as biological control agents.",
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Pseudomonas syringae strains ESC-10 and ESC-11 survive in wounds on citrus and control green and blue molds of citrus. / Bull, Carolee Theresa; Stack, J. P.; Smilanick, J. L.

In: Biological Control, Vol. 8, No. 1, 01.01.1997, p. 81-88.

Research output: Contribution to journalArticle

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