Articles

BIOLOGICAL CONTROL OF PENICILLIUM DIGITATUM ON CITRUS FRUITS WITH THE ANTAGONISTIC BACTERIUM PANTOEA AGGLOMERANS

Article number
553_86
Pages
377 – 382
Language
English
Abstract
The objective was to investigate the biocontrol potential of Pantoea agglomerans (CPA-2) against Penicillium digitatum in oranges and lemons, in Catalonia and California.
The results of laboratory tests showed that P. agglomerans significantly inhibited development of P. digitatum in oranges and lemons.
The biocontrol agent inhibited the pathogen at all studied temperatures.
The best results were obtained at 20 and 25°C for lemons and at 10-20°C for oranges, with 95 and 50% rot reduction respectively.
Populations of the antagonist increased on the surface of wounded fruits and remained stable on non-wounded ones.
Assays at 20°C and 3°C demonstrated that P. agglomerans grows actively at both temperatures; the maximum populations were obtained after 1 and 45 days, respectively.

Publication
Authors
J. Usall, N. Teixidó, I. Viñas, J. Smilanick
Keywords
Oranges, lemons, postharvest diseases, green mold
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