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Pre-harvest conditions affecting the export quality of muskmelons (Cucumis melo L.)

Dissertations (Ph. D. Agric.) -- University of Stellenbosch, 1995.

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Main Author: Combrink, Nicolaas Johannes Jacobus
Other Authors: Agenbag, G. A.
Format: Thesis
Language:en_ZA
Published: Stellenbosch : Stellenbosch University 2012
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access_status_str Open Access
author Combrink, Nicolaas Johannes Jacobus
author2 Agenbag, G. A.
author_browse Agenbag, G. A.
Combrink, Nicolaas Johannes Jacobus
author_facet Agenbag, G. A.
Combrink, Nicolaas Johannes Jacobus
author_sort Combrink, Nicolaas Johannes Jacobus
collection Thesis
dc_rights_str_mv Stellenbosch University
description Dissertations (Ph. D. Agric.) -- University of Stellenbosch, 1995.
format Thesis
id oai:scholar.sun.ac.za:10019.1/54835
institution Stellenbosch University (South Africa)
language en_ZA
last_indexed 2026-06-10T12:43:59.464Z
license_str Other — see source repository
provenance_str_mv Harvested via OAI-PMH from SUNScholar — Stellenbosch University Repository
publishDate 2012
publishDateRange 2012
publishDateSort 2012
publisher Stellenbosch : Stellenbosch University
publisherStr Stellenbosch : Stellenbosch University
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source_str SUNScholar — Stellenbosch University Repository
spelling oai:scholar.sun.ac.za:10019.1/54835 Pre-harvest conditions affecting the export quality of muskmelons (Cucumis melo L.) Combrink, Nicolaas Johannes Jacobus Agenbag, G. A. Maree, P. C. J. Stellenbosch University. Faculty of AgriSciences. Dept. of Agricultural Economics. Muskmelon Muskmelon -- South Africa -- Quality Muskmelon -- Quality Dissertations -- Agriculture Dissertations (Ph. D. Agric.) -- University of Stellenbosch, 1995. To enable the South African produceres of 'Galia' muskmelons to compete on the marketes abroad, sea freighting should be considered as alternative to air freighting due to escalating air freight tariffs. Apart from a required high sugar content, fruit should also be able to withstand a three to four week sea freight cold storage period, without the development of chilling injury (CI) or a loss in fruit firmness. In this study, the effects of various pre-harvest treatments on the quality of 'Galia' type melons were investigated under controlled environmental conditions. At sub optimum boron levels retentions of chlorophyll was poor, causing leaves to yellow prematurely which lowered the soluble solids content (SSC) of fruit. Poor net development, due to inadequate phellogen activity and poor periderm development in the fruit-peel, reulsted at sub optimum Ca and B levels which also reduced the inherent resistance of fruit to the development of CI during cold storage. by lowering the relative humidity (RH) of enclosed fruit, translocation of Ca and P to the fruit-peel increased, net development improved and less CI occured. Pre-harvest practices that may limit transpiration from fruit surface should therfore be avoided. Fruit firmness improved with elevated Ca and B levels under warm growing conditions. By increasing the nutrient solution concentration, the fruit development period was longer, fruit SSC was higher, but fruit firmness tended to be lower. Doctoral 2012-08-27T11:36:45Z 2012-08-27T11:36:45Z 1995 Thesis http://hdl.handle.net/10019.1/54835 en_ZA Stellenbosch University 139 pages : ill. application/pdf Stellenbosch : Stellenbosch University
spellingShingle Muskmelon
Muskmelon -- South Africa -- Quality
Muskmelon -- Quality
Dissertations -- Agriculture
Combrink, Nicolaas Johannes Jacobus
Pre-harvest conditions affecting the export quality of muskmelons (Cucumis melo L.)
title Pre-harvest conditions affecting the export quality of muskmelons (Cucumis melo L.)
title_full Pre-harvest conditions affecting the export quality of muskmelons (Cucumis melo L.)
title_fullStr Pre-harvest conditions affecting the export quality of muskmelons (Cucumis melo L.)
title_full_unstemmed Pre-harvest conditions affecting the export quality of muskmelons (Cucumis melo L.)
title_short Pre-harvest conditions affecting the export quality of muskmelons (Cucumis melo L.)
title_sort pre harvest conditions affecting the export quality of muskmelons cucumis melo l
topic Muskmelon
Muskmelon -- South Africa -- Quality
Muskmelon -- Quality
Dissertations -- Agriculture
url http://hdl.handle.net/10019.1/54835
work_keys_str_mv AT combrinknicolaasjohannesjacobus preharvestconditionsaffectingtheexportqualityofmuskmelonscucumismelol