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Paper Information

Journal:   JOURNAL OF AGRICULTURAL ENGINEERING RESEARCH   Summer 2003 , Volume 4 , Number 15; Page(s) 1 To 20.
 
Paper: 

INVESTIGATION SENSITIVITY OF "PAGE", "UNSHIOU" AND "YOUNESI" MANDARINS TO CURING AND EFFECTS OF FUNGICIDE AND SHRINK WRAPPING ON CONTROL OF PRNICILLIUM SP

 
 
Author(s):  SHAHBEYK M.A.
 
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Abstract: 
In this study, sensitivity level of "page", "Unshiou" and "Younesi" mandarins to curing and also effects of fungicide, shrink wrapping, curing and combination of these treatments on mandarin shelf life were investigated. In "page" mandarin, shrink wrapping alone, or with fungicide or curing significantly (P<0.05) reduced weight losses. Fruits, Fungicide, curing, or combination of these treatments significantly (P<0.05) reduced the incidence of penicillium italicum and P. digitatum, but no significant difference was observed for curing and fungicide treatments. In the first year, the ratio of TSS/TA in polyethylene shrink wrapping film was higher than other treatments, whereas, in the second year, the highest ratio of TSS/TA was found in curing with shrink wrapping treatment In "Unshiou" and "Younesi" mandarins, shrink wrapping and shrink wrapping with other treatments significantly (P<0.05) reduced weight losses and increased fruit frirmness. Curing , fungicide, or combination of these treatments with other treatments significantly (P<0.05) reduced the incidence of penicillium sp. Compared to control and shrink wrapping treatments but, no significant effect was found for curing and fungicide treatments. In "Unshiou", in the first year experiments, the ratio of TSS/TA was significantly (P<0.05) higher in shrink wrapping and curing treatments and in the second year, in curing with fungicide and shrink wrapping treatments. While, in "Younesi" mandarin, in the first year, this ratio was higher in curing treatment and in the second year, was higher in curing with fungicide and shrink wrapping treatments. In "Unshiou" and "Page" mandarins, curing had n deleterious affect on fruit skin but, in "Younesi" mandarin, curing produced the storage brown spot around the stem. Therefore. The application of curing instead of fungicide treatment were more effective and can be recommended for future storage of "Page" and "Unshiou" mandarins, whereas curing is not recommended for "Younesi" mandarin.
 
Keyword(s): "PAGE", "UNSHIOU" AND "YOUNESI" MANDARISN, COLD STORAGE, CURING, FUNGICIDE, PENICILLIUM SP., PENICILLIUM ITALICUM, PENICILLIUM DIGITATUM. SHRINK-WRAPPING FILM, STORAGE SPOT
 
References: 
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