บทคัดย่องานวิจัย

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Postharvest biological control by Pantoea agglomerans (CPA-2) on Golden Delicious apples.

Nunes, C., Usall, J.,Teixido, N., Fons, E. and Vinas, I.

Journal of Applied Microbiology. Volume 92 Issue 2, 2002. Pages 247-255.

2002

บทคัดย่อ

Postharvest biological control by Pantoea agglomerans (CPA-2) on Golden Delicious apples.

The potential of Pantoea agglomerans to control the major postharvest diseases on 'Golden Delicious' apples was investigated. In laboratory trials, a high level of control of Penicillium expansum, Botrytis cinerea and Rhizopus stolonifer was obtained with P. agglomerans. In semi-commercial trials at 1 deg C in air and a low oxygen atmosphere, the reduction of blue mould was 81 and 100%, respectively, and control of grey mould was achieved equally with P. agglomerans and imazalil. In trials at 1 deg C and seven atmospheric conditions, maximum reduction in decay was 80% obtained at 3% O2-6% CO2. The population of P. agglomerans on apples followed the same pattern under all three atmospheric conditions studied. These findings reveal that P. agglomerans could be used effectively on apples under a wide range of temperatures and atmospheric conditions. P. agglomerans can be used as a biological control agent on apples at a rate of 8x107 CFU/ml, the same concentration as in pears. This will facilitate the application of this biological control agent by the growers in packing houses.