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Antonio Ippolito - One of the best experts on this subject based on the ideXlab platform.
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Effectiveness of a short hyperbaric treatment to control postharvest decay of sweet Cherries and table grapes
Postharvest Biology and Technology, 2008Co-Authors: Gianfranco Romanazzi, Franco Nigro, Antonio IppolitoAbstract:The effectiveness of short hyperbaric treatments to control postharvest decay of sweet Cherries (Prunus avium L., cv Ferrovia) and table grapes (Vitis vinifera L., cv Italia) was investigated. Sweet Cherries and table grape berries were exposed to the pressure of 1140 mmHg (1.5 atm) for 4 and 24 h, respectively, in 64 L gas-proof tanks. Fruit kept at ambient pressure (near 760 mmHg, 1.0 atm) served as a control. Postharvest rots of sweet Cherries arose from naturally occurring infections, whereas table grape berries were artificially wounded, exposed to the hyperbaric treatment, then the wounds inoculated with 20 Lo f aBotrytis cinerea conidial suspension (5 × 10 4 spores mL −1 ). Sweet Cherries were stored at 0 ± 1 ◦ C for 14 d, followed b y7da t 20± 1 ◦ C. Table grapes berries were kept at 20 ± 1 ◦ C for 3 d. On sweet Cherries, hyperbaric treatment reduced the incidence of brown rot, grey mould, and blue mould, with respect to the control. Similarly, on treated table grapes a significant reduction of lesion diameter and percentage of B. cinerea infected berries was observed. Induced resistance was likely to be responsible for the observed decay reduction. To our knowledge, this is the first report on the effectiveness of short hyperbaric treatments in controlling postharvest decay of sweet Cherries and table grapes. © 2008 Elsevier B.V. All rights reserved.
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Control of postharvest rots of sweet Cherries and table grapes with endophytic isolates of Aureobasidium pullulans
Postharvest Biology and Technology, 2003Co-Authors: Leonardo Schena, Isabella Pentimone, Franco Nigro, Angela Ligorio, Antonio IppolitoAbstract:Abstract Fifty-one endophytic isolates of Aureobasidium pullulans were obtained from the flesh of sweet Cherries and extensively screened to evaluate their biocontrol activity against postharvest rots of sweet Cherries and table grapes. Preliminary analysis of all isolates by randomly amplified polymorphic DNA (RAPD) with three different primers showed the presence of a high genetic variability and enabled isolates not showing any genetic difference to be discarded. Thirty-five isolates with different RAPD electrophoresis patterns had a wide range of biocontrol activity against Botrytis cinerea and Monilinia laxa on single-wounded berries of sweet Cherries and table grapes with a reduction of decay from 10 to 100%. Two isolates (533 and 547) significantly reduced B. cinerea on table grape berries also when applied 6, 12, and 24 h after the pathogen inoculation. In a 2-year period of investigation (1998–1999), a reduction of total rots ranging from 32 to 80% (sweet Cherries) and from 59 to 64% (table grape) was achieved with isolates 533 and 547 applied after harvest. Preharvest applications of isolate 547 significantly reduced postharvest rots of sweet Cherries and table grapes by 47 and 38%, respectively. On the whole, isolates 533 and 547 were more effective than A. pullulans L47, a biocontrol agent of postharvest diseases with a known activity. Population studies demonstrated that isolate 547 was able to survive under field conditions, to increase its population during cold storage, and to penetrate the flesh of sweet Cherries when applied during flowering.
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short hypobaric treatments potentiate the effect of chitosan in reducing storage decay of sweet Cherries
Postharvest Biology and Technology, 2003Co-Authors: Gianfranco Romanazzi, Franco Nigro, Antonio IppolitoAbstract:The effectiveness of chitosan and short hypobaric treatments, alone or in combination, to control storage decay of sweet Cherries, was investigated over 2 years. In single treatments, chitosan was applied by postharvest dipping or preharvest spraying at 0.1, 0.5, and 1.0% concentrations; hypobaric treatments at 0.50 and 0.25 atm were applied for 4 h. In combined treatments, sweet Cherries were dipped in 1.0% chitosan and then exposed to 0.50 and 0.25 atm, or sprayed with chitosan (0.1, 0.5, and 1.0%) 7 days before harvest and exposed to 0.50 atm soon after harvest. Untreated sweet Cherries kept at normal pressure (near 1.00 atm) were used as controls. Rot incidence was evaluated after 14 days storage at 0±1 °C, followed by a 7 day shelf life. In both years, chitosan and hypobaric treatments applied alone significantly reduced brown rot, grey mould, and total rots, the latter also including blue mould, Alternaria, Rhizopus and green rots. A combined treatment with 1.0% chitosan and 0.50 atm was the best in controlling decay, showing in the first year, a synergistic effect in the reduction of brown rot and total rots. The results indicate that the combination of hypobaric and chitosan treatments is a valid strategy for increasing the effectiveness of the treatments in controlling postharvest decay of sweet Cherries.
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Effect of short hypobaric treatments on postharvest rots of sweet Cherries, strawberries and table grapes
Postharvest Biology and Technology, 2001Co-Authors: Gianfranco Romanazzi, Franco Nigro, Antonio Ippolito, M. SalernoAbstract:The effectiveness of short hypobaric treatments against postharvest rots was investigated by exposing sweet Cherries, strawberries and table grapes to sub-atmospheric pressures (0.25, 0.50, and 0.75 atm) for different times (from 1 to 24 h). Postharvest rots of sweet Cherries and strawberries arose from natural infections, whereas small table grape bunches and artificially wounded single berries were inoculated with Botrytis cinerea after hypobaric treatment. Sweet Cherries exposed to 0.50 atm for 4 h had the lowest incidence of gray mould, brown rot and total rots, while a 1 h treatment was not effective. On strawberries, the greatest reductions of gray mould and Rhizopus rot were observed on fruits treated for 4 h at 0.25 and 0.50 atm, respectively. On table grape bunches treatment with 0.25 atm applied for 24 h significantly reduced the incidence of gray mould. In experiments performed with artificially wounded single table grape berries exposed to 0.50 atm for 24 h and then inoculated, the percentage of infected fruits and the diameter of the lesions were significantly reduced, in comparison with the controls. As a sub-atmospheric pressure of 0.25 atm did not affect radial growth of B. cinerea and Monilinia laxa, induced resistance was likely to be responsible for the observed reduction in decay.
Gianfranco Romanazzi - One of the best experts on this subject based on the ideXlab platform.
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Effectiveness of a short hyperbaric treatment to control postharvest decay of sweet Cherries and table grapes
Postharvest Biology and Technology, 2008Co-Authors: Gianfranco Romanazzi, Franco Nigro, Antonio IppolitoAbstract:The effectiveness of short hyperbaric treatments to control postharvest decay of sweet Cherries (Prunus avium L., cv Ferrovia) and table grapes (Vitis vinifera L., cv Italia) was investigated. Sweet Cherries and table grape berries were exposed to the pressure of 1140 mmHg (1.5 atm) for 4 and 24 h, respectively, in 64 L gas-proof tanks. Fruit kept at ambient pressure (near 760 mmHg, 1.0 atm) served as a control. Postharvest rots of sweet Cherries arose from naturally occurring infections, whereas table grape berries were artificially wounded, exposed to the hyperbaric treatment, then the wounds inoculated with 20 Lo f aBotrytis cinerea conidial suspension (5 × 10 4 spores mL −1 ). Sweet Cherries were stored at 0 ± 1 ◦ C for 14 d, followed b y7da t 20± 1 ◦ C. Table grapes berries were kept at 20 ± 1 ◦ C for 3 d. On sweet Cherries, hyperbaric treatment reduced the incidence of brown rot, grey mould, and blue mould, with respect to the control. Similarly, on treated table grapes a significant reduction of lesion diameter and percentage of B. cinerea infected berries was observed. Induced resistance was likely to be responsible for the observed decay reduction. To our knowledge, this is the first report on the effectiveness of short hyperbaric treatments in controlling postharvest decay of sweet Cherries and table grapes. © 2008 Elsevier B.V. All rights reserved.
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short hypobaric treatments potentiate the effect of chitosan in reducing storage decay of sweet Cherries
Postharvest Biology and Technology, 2003Co-Authors: Gianfranco Romanazzi, Franco Nigro, Antonio IppolitoAbstract:The effectiveness of chitosan and short hypobaric treatments, alone or in combination, to control storage decay of sweet Cherries, was investigated over 2 years. In single treatments, chitosan was applied by postharvest dipping or preharvest spraying at 0.1, 0.5, and 1.0% concentrations; hypobaric treatments at 0.50 and 0.25 atm were applied for 4 h. In combined treatments, sweet Cherries were dipped in 1.0% chitosan and then exposed to 0.50 and 0.25 atm, or sprayed with chitosan (0.1, 0.5, and 1.0%) 7 days before harvest and exposed to 0.50 atm soon after harvest. Untreated sweet Cherries kept at normal pressure (near 1.00 atm) were used as controls. Rot incidence was evaluated after 14 days storage at 0±1 °C, followed by a 7 day shelf life. In both years, chitosan and hypobaric treatments applied alone significantly reduced brown rot, grey mould, and total rots, the latter also including blue mould, Alternaria, Rhizopus and green rots. A combined treatment with 1.0% chitosan and 0.50 atm was the best in controlling decay, showing in the first year, a synergistic effect in the reduction of brown rot and total rots. The results indicate that the combination of hypobaric and chitosan treatments is a valid strategy for increasing the effectiveness of the treatments in controlling postharvest decay of sweet Cherries.
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Effect of short hypobaric treatments on postharvest rots of sweet Cherries, strawberries and table grapes
Postharvest Biology and Technology, 2001Co-Authors: Gianfranco Romanazzi, Franco Nigro, Antonio Ippolito, M. SalernoAbstract:The effectiveness of short hypobaric treatments against postharvest rots was investigated by exposing sweet Cherries, strawberries and table grapes to sub-atmospheric pressures (0.25, 0.50, and 0.75 atm) for different times (from 1 to 24 h). Postharvest rots of sweet Cherries and strawberries arose from natural infections, whereas small table grape bunches and artificially wounded single berries were inoculated with Botrytis cinerea after hypobaric treatment. Sweet Cherries exposed to 0.50 atm for 4 h had the lowest incidence of gray mould, brown rot and total rots, while a 1 h treatment was not effective. On strawberries, the greatest reductions of gray mould and Rhizopus rot were observed on fruits treated for 4 h at 0.25 and 0.50 atm, respectively. On table grape bunches treatment with 0.25 atm applied for 24 h significantly reduced the incidence of gray mould. In experiments performed with artificially wounded single table grape berries exposed to 0.50 atm for 24 h and then inoculated, the percentage of infected fruits and the diameter of the lesions were significantly reduced, in comparison with the controls. As a sub-atmospheric pressure of 0.25 atm did not affect radial growth of B. cinerea and Monilinia laxa, induced resistance was likely to be responsible for the observed reduction in decay.
Franco Nigro - One of the best experts on this subject based on the ideXlab platform.
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Effectiveness of a short hyperbaric treatment to control postharvest decay of sweet Cherries and table grapes
Postharvest Biology and Technology, 2008Co-Authors: Gianfranco Romanazzi, Franco Nigro, Antonio IppolitoAbstract:The effectiveness of short hyperbaric treatments to control postharvest decay of sweet Cherries (Prunus avium L., cv Ferrovia) and table grapes (Vitis vinifera L., cv Italia) was investigated. Sweet Cherries and table grape berries were exposed to the pressure of 1140 mmHg (1.5 atm) for 4 and 24 h, respectively, in 64 L gas-proof tanks. Fruit kept at ambient pressure (near 760 mmHg, 1.0 atm) served as a control. Postharvest rots of sweet Cherries arose from naturally occurring infections, whereas table grape berries were artificially wounded, exposed to the hyperbaric treatment, then the wounds inoculated with 20 Lo f aBotrytis cinerea conidial suspension (5 × 10 4 spores mL −1 ). Sweet Cherries were stored at 0 ± 1 ◦ C for 14 d, followed b y7da t 20± 1 ◦ C. Table grapes berries were kept at 20 ± 1 ◦ C for 3 d. On sweet Cherries, hyperbaric treatment reduced the incidence of brown rot, grey mould, and blue mould, with respect to the control. Similarly, on treated table grapes a significant reduction of lesion diameter and percentage of B. cinerea infected berries was observed. Induced resistance was likely to be responsible for the observed decay reduction. To our knowledge, this is the first report on the effectiveness of short hyperbaric treatments in controlling postharvest decay of sweet Cherries and table grapes. © 2008 Elsevier B.V. All rights reserved.
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Control of postharvest rots of sweet Cherries and table grapes with endophytic isolates of Aureobasidium pullulans
Postharvest Biology and Technology, 2003Co-Authors: Leonardo Schena, Isabella Pentimone, Franco Nigro, Angela Ligorio, Antonio IppolitoAbstract:Abstract Fifty-one endophytic isolates of Aureobasidium pullulans were obtained from the flesh of sweet Cherries and extensively screened to evaluate their biocontrol activity against postharvest rots of sweet Cherries and table grapes. Preliminary analysis of all isolates by randomly amplified polymorphic DNA (RAPD) with three different primers showed the presence of a high genetic variability and enabled isolates not showing any genetic difference to be discarded. Thirty-five isolates with different RAPD electrophoresis patterns had a wide range of biocontrol activity against Botrytis cinerea and Monilinia laxa on single-wounded berries of sweet Cherries and table grapes with a reduction of decay from 10 to 100%. Two isolates (533 and 547) significantly reduced B. cinerea on table grape berries also when applied 6, 12, and 24 h after the pathogen inoculation. In a 2-year period of investigation (1998–1999), a reduction of total rots ranging from 32 to 80% (sweet Cherries) and from 59 to 64% (table grape) was achieved with isolates 533 and 547 applied after harvest. Preharvest applications of isolate 547 significantly reduced postharvest rots of sweet Cherries and table grapes by 47 and 38%, respectively. On the whole, isolates 533 and 547 were more effective than A. pullulans L47, a biocontrol agent of postharvest diseases with a known activity. Population studies demonstrated that isolate 547 was able to survive under field conditions, to increase its population during cold storage, and to penetrate the flesh of sweet Cherries when applied during flowering.
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short hypobaric treatments potentiate the effect of chitosan in reducing storage decay of sweet Cherries
Postharvest Biology and Technology, 2003Co-Authors: Gianfranco Romanazzi, Franco Nigro, Antonio IppolitoAbstract:The effectiveness of chitosan and short hypobaric treatments, alone or in combination, to control storage decay of sweet Cherries, was investigated over 2 years. In single treatments, chitosan was applied by postharvest dipping or preharvest spraying at 0.1, 0.5, and 1.0% concentrations; hypobaric treatments at 0.50 and 0.25 atm were applied for 4 h. In combined treatments, sweet Cherries were dipped in 1.0% chitosan and then exposed to 0.50 and 0.25 atm, or sprayed with chitosan (0.1, 0.5, and 1.0%) 7 days before harvest and exposed to 0.50 atm soon after harvest. Untreated sweet Cherries kept at normal pressure (near 1.00 atm) were used as controls. Rot incidence was evaluated after 14 days storage at 0±1 °C, followed by a 7 day shelf life. In both years, chitosan and hypobaric treatments applied alone significantly reduced brown rot, grey mould, and total rots, the latter also including blue mould, Alternaria, Rhizopus and green rots. A combined treatment with 1.0% chitosan and 0.50 atm was the best in controlling decay, showing in the first year, a synergistic effect in the reduction of brown rot and total rots. The results indicate that the combination of hypobaric and chitosan treatments is a valid strategy for increasing the effectiveness of the treatments in controlling postharvest decay of sweet Cherries.
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Effect of short hypobaric treatments on postharvest rots of sweet Cherries, strawberries and table grapes
Postharvest Biology and Technology, 2001Co-Authors: Gianfranco Romanazzi, Franco Nigro, Antonio Ippolito, M. SalernoAbstract:The effectiveness of short hypobaric treatments against postharvest rots was investigated by exposing sweet Cherries, strawberries and table grapes to sub-atmospheric pressures (0.25, 0.50, and 0.75 atm) for different times (from 1 to 24 h). Postharvest rots of sweet Cherries and strawberries arose from natural infections, whereas small table grape bunches and artificially wounded single berries were inoculated with Botrytis cinerea after hypobaric treatment. Sweet Cherries exposed to 0.50 atm for 4 h had the lowest incidence of gray mould, brown rot and total rots, while a 1 h treatment was not effective. On strawberries, the greatest reductions of gray mould and Rhizopus rot were observed on fruits treated for 4 h at 0.25 and 0.50 atm, respectively. On table grape bunches treatment with 0.25 atm applied for 24 h significantly reduced the incidence of gray mould. In experiments performed with artificially wounded single table grape berries exposed to 0.50 atm for 24 h and then inoculated, the percentage of infected fruits and the diameter of the lesions were significantly reduced, in comparison with the controls. As a sub-atmospheric pressure of 0.25 atm did not affect radial growth of B. cinerea and Monilinia laxa, induced resistance was likely to be responsible for the observed reduction in decay.
Carlos H. Crisosto - One of the best experts on this subject based on the ideXlab platform.
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consumer acceptance of brooks and bing Cherries is mainly dependent on fruit ssc and visual skin color
Postharvest Biology and Technology, 2003Co-Authors: Carlos H. Crisosto, Gayle M Crisosto, Paul MetheneyAbstract:During two seasons, ‘in-store’ consumer acceptance tests were performed to determine the relationship between soluble solids concentration (SSC), titratable acidity (TA) and visual skin color on ‘Brooks’ and ‘Bing’ cherry consumer acceptance. For this, approximately 600 consumers were presented cherry samples at targeted skin colors with SSC in the range of ca. 13.0 � /20.0% and TA in the range of ca. 0.50 � /1.00%. For each cherry sample, one half of the whole cherry was tasted and the other half was used to determine SSC and TA. TA � /0.60% reduced consumer acceptance on ‘Brooks’ Cherries with B/16.0% SSC compared to Cherries with 5/0.60% TA, while in ‘Bing’ the same situation only occurred on Cherries with 5/13.0% SSC. High consumer acceptance was determined on ‘Brooks’ and ‘Bing’ Cherries when SSC were � /16.0% without regard to TA. For both cultivars, the highest percentage of American consumers would buy Cherries based on dark skin color without regard to ethnic group (Caucasian, Asian American, Hispanic, or Black) or gender. However, consumer age was related to making the ‘buy’ or ‘not to buy’ decision based on cherry skin color. Consumers under 18 years old were less biased to buy Cherries based on visual skin color. Thus, this work demonstrated that for ‘Brooks’ and ‘Bing’ Cherries, a full bright red or dark mahogany skin color should be reached, respectively, in addition to a minimum SSC of 16.0% to satisfy the majority of American consumers. # 2002 Elsevier Science B.V. All rights reserved.
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Effect of continuous exposure to exogenous ethylene during cold storage on postharvest decay development and quality attributes of stone fruits and table grapes
Postharvest Biology and Technology, 2003Co-Authors: Lluis Palou, Carlos H. Crisosto, David Garner, Lisa M. BasinalAbstract:The influence of continuous exposure to exogenous ethylene on fruit quality and on the development of postharvest brown rot of stone fruits and gray mold of table grapes during long-term cold storage was investigated using selected cultivars of table grapes (nonclimacteric) and climacteric (peach, plum, nectarine, and apricot) and nonclimacteric (sweet cherry) stone fruits. Depending on the experiment, climacteric stone fruits were exposed to concentrations of ethylene of 0, 0.1, 1, 3, 10, or 100 μ1 1-1during storage at 0, 5, or 10 °C for up to 28 days; sweet Cherries were exposed to 0, 0.01, 0.1, or 1 μ1 1-1ethylene during storage at 0 or 5 °C for 21 days; and table grapes were exposed to 0, 0.125, 0.25, 0.5, or 1 μ1 1-1ethylene during storage at 0 or 5 °C for up to 60 days. Neither incidence nor severity of brown rot were affected by constant ethylene exposure on stone fruits wound-inoculated with Monilinia fructicola. Similarly, ethylene did not affect gray mold nesting ability on table grapes artificially inoculated with Botrytis cinerea. Furthermore, ethylene exposure neither influenced external quality attributes (skin color on peaches and Cherries, skin pitting and stem browning on Cherries, and rachis browning on table grapes) nor internal quality attributes (flesh firmness, soluble solids concentration, and titratable acidity on all fruit, and flesh color and internal breakdown on climacteric stone fruits). The only exceptions were flesh softening of apricots, which in every test was significantly enhanced by exogenous ethylene, and flesh mealiness in experiments with 'Elegant Lady' peaches, the appearance of which was delayed by ethylene exposure in one case. In conclusion, no general commercial benefit could be expected from actively removing ethylene from cold storage rooms or transport containers containing peaches, plums, nectarines, sweet Cherries, or table grapes. © 2002 Elsevier Science B.V. All rights reserved.
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testing the reliability of skin color as an indicator of quality for early season brooks prunus avium l cherry
Postharvest Biology and Technology, 2002Co-Authors: Carlos H. Crisosto, Gayle M Crisosto, Mark A RitenourAbstract:During the 1997–1999 seasons, we investigated the relationship between ‘Brooks’ cherry skin color at harvest (full light red, 50% bright red, full bright red and full dark red) and consumer acceptance using fruit grown in different geographic locations in the San Joaquin Valley (SJV). Soluble solids concentration (SSC) increased, but titratable acidity (TA) levels did not decrease as Cherries matured from the full light red to full dark red skin color. The perception of sweetness, sourness and cherry flavor intensity by a trained taste panel was highly correlated to skin color, SSC and SSC:TA at harvest. There were no differences in the level of correlation between SSC or SSC:TA and the perception of sweetness, sourness or cherry flavor by trained judges. In-store consumer tests indicated that ‘Brooks’ Cherries with SSC16.1% had the highest consumer acceptance (ca. 80–90%) and Cherries with SSC 16.0%, the lowest (ca. 48%). Gender and ethnicity (Caucasian, Asian American, Hispanic, or African American) did not affect American consumer acceptance of ‘Brooks’ Cherries. © 2002 Elsevier Science B.V. All rights reserved.
M. Salerno - One of the best experts on this subject based on the ideXlab platform.
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Effect of short hypobaric treatments on postharvest rots of sweet Cherries, strawberries and table grapes
Postharvest Biology and Technology, 2001Co-Authors: Gianfranco Romanazzi, Franco Nigro, Antonio Ippolito, M. SalernoAbstract:The effectiveness of short hypobaric treatments against postharvest rots was investigated by exposing sweet Cherries, strawberries and table grapes to sub-atmospheric pressures (0.25, 0.50, and 0.75 atm) for different times (from 1 to 24 h). Postharvest rots of sweet Cherries and strawberries arose from natural infections, whereas small table grape bunches and artificially wounded single berries were inoculated with Botrytis cinerea after hypobaric treatment. Sweet Cherries exposed to 0.50 atm for 4 h had the lowest incidence of gray mould, brown rot and total rots, while a 1 h treatment was not effective. On strawberries, the greatest reductions of gray mould and Rhizopus rot were observed on fruits treated for 4 h at 0.25 and 0.50 atm, respectively. On table grape bunches treatment with 0.25 atm applied for 24 h significantly reduced the incidence of gray mould. In experiments performed with artificially wounded single table grape berries exposed to 0.50 atm for 24 h and then inoculated, the percentage of infected fruits and the diameter of the lesions were significantly reduced, in comparison with the controls. As a sub-atmospheric pressure of 0.25 atm did not affect radial growth of B. cinerea and Monilinia laxa, induced resistance was likely to be responsible for the observed reduction in decay.