אסיף מאגר המחקר החקלאי

Combined hot water and radiation treatments to control decay of tomato fruits

Year:

1993

Source of publication :

Authors :

Volume :

56

Co-Authors:

Barkai-Golan, R., Agricultural Research Organization, The Volcani Center, Bet Dagan, Israel
Padova, R., Agricultural Research Organization, The Volcani Center, Bet Dagan, Israel
Ross, I., Agricultural Research Organization, The Volcani Center, Bet Dagan, Israel
Lapidot, M., Agricultural Research Organization, The Volcani Center, Bet Dagan, Israel
Davidson, H., Agricultural Research Organization, The Volcani Center, Bet Dagan, Israel
Copel, A., Agricultural Research Organization, The Volcani Center, Bet Dagan, Israel

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Abstract:

A hot water dip at 50°C for 2 min was more effective than 1 KGy of gamma radiation in reducing Botrytis cinerea and Rhizopus stolonifer decay in inoculated light-red tomatoes. The combined hot water and radiation treatment acted synergistically on fungal development resulting in 1.7% and 10.0% infection by B. cinerea and R. stolonifer, respectively, after 5 days at 23°C compared with 67% and 100% infection in the non-treated controls. Under natural infection conditions, hot water dip followed by irradiation at 0.5 KGy totally eliminated decay by Alternaria alternata during 8 days at 23°C. All treatments caused more rapid fruit softening, with 20% soft fruit in the combined treated fruit compared with zero soft fruit in the non-treated control. © 1993.

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