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אסיף מאגר המחקר החקלאי
פותח על ידי קלירמאש פתרונות בע"מ -
The influence of colored shade nets on pepper quality after harvest-a possible mode-of-action
Year:
2014
Authors :
אלקלעי-טוביה, שרון
;
.
גורן, אביב
;
.
ויינברג, תמר
;
.
פליק, אלעזר
;
.
פרצלן, יעקב
;
.
Volume :
60 (2)
Co-Authors:
Facilitators :
From page:
7
To page:
18
(
Total pages:
12
)
Abstract:

In previous studies, we have found that Pearl and Yellow shade nets significantly reduced pepper fruit rot development after harvest. The significant low decay incidence in fruit harvested under Pearl and Yellow shade nets was explained by the low inoculum level of Alternaria spp. in the field, and inhibition of fungal sporulation, and/or by slowing the fruit ripening during its growth, which reduces fruit susceptibility to fungal infection in the field due to the scattered light, its quality and the ratio between the light spectrum, under those two shade nets (Goren et al., 2011). Therefore, the goal of this research was to shed more light on the influence of Pearl shade net on postharvest quality of two different commercial red pepper bell cultivars (cv. Romans and Vergasa). Evaluation of fruit quality was based on chlorophyll, carotenoids and antioxidant content after prolonged storage and marketing simulation. No significant differences were observed in fruit weight loss, firmness and sugar content of the two cultivars under the different nettings. However, some differences were observed between the cultivars. Fruit from the two cultivars which were grown under Pearl shade net had significantly lower decay incidence compared to fruit harvested under commercial black net, particularly cv. Vergasa. Fruit chlorophyll content under Pearl net was higher than in fruit grown under the black shade net, and was significantly higher in Vergasa than in Romans. The carotenoids content was significantly higher under the commercial black net than under the Pearl net, and was significantly higher in Vergasa than in Romans immediately after harvest, storage and shelf life simulation. Immediately after harvest and after storage and marketing simulation, the antioxidant (AOX) activity in Vergasa was significantly higher than Romans in fruit harvested under both shade nets. A significant increase in AOX activity was measured in Vergasa fruit harvested under Pearl net after storage and marketing simulation in comparison to black net and all Romans fruit harvested. In conclusion, Pearl net's influence on ripening inhibition, in higher AOX activity and carotenoids content, could reduce decay in pepper fruit and maintain better fruit quality after harvest.

Note:
Related Files :
artificial shade
Coloured nets
photoselective netting
Sweet pepper
VERGASA
עוד תגיות
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More details
DOI :
Article number:
0
Affiliations:
Database:
גוגל סקולר
Publication Type:
מאמר
;
.
Language:
אנגלית
Editors' remarks:
ID:
38263
Last updated date:
02/03/2022 17:27
Creation date:
05/12/2018 09:42
Scientific Publication
The influence of colored shade nets on pepper quality after harvest-a possible mode-of-action
60 (2)
The influence of colored shade nets on pepper quality after harvest-a possible mode-of-action

In previous studies, we have found that Pearl and Yellow shade nets significantly reduced pepper fruit rot development after harvest. The significant low decay incidence in fruit harvested under Pearl and Yellow shade nets was explained by the low inoculum level of Alternaria spp. in the field, and inhibition of fungal sporulation, and/or by slowing the fruit ripening during its growth, which reduces fruit susceptibility to fungal infection in the field due to the scattered light, its quality and the ratio between the light spectrum, under those two shade nets (Goren et al., 2011). Therefore, the goal of this research was to shed more light on the influence of Pearl shade net on postharvest quality of two different commercial red pepper bell cultivars (cv. Romans and Vergasa). Evaluation of fruit quality was based on chlorophyll, carotenoids and antioxidant content after prolonged storage and marketing simulation. No significant differences were observed in fruit weight loss, firmness and sugar content of the two cultivars under the different nettings. However, some differences were observed between the cultivars. Fruit from the two cultivars which were grown under Pearl shade net had significantly lower decay incidence compared to fruit harvested under commercial black net, particularly cv. Vergasa. Fruit chlorophyll content under Pearl net was higher than in fruit grown under the black shade net, and was significantly higher in Vergasa than in Romans. The carotenoids content was significantly higher under the commercial black net than under the Pearl net, and was significantly higher in Vergasa than in Romans immediately after harvest, storage and shelf life simulation. Immediately after harvest and after storage and marketing simulation, the antioxidant (AOX) activity in Vergasa was significantly higher than Romans in fruit harvested under both shade nets. A significant increase in AOX activity was measured in Vergasa fruit harvested under Pearl net after storage and marketing simulation in comparison to black net and all Romans fruit harvested. In conclusion, Pearl net's influence on ripening inhibition, in higher AOX activity and carotenoids content, could reduce decay in pepper fruit and maintain better fruit quality after harvest.

Scientific Publication
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