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Vpliv tipa rodnega lesa na kakovost plodov aktinidije (Actinidia spp.)
Medič, Aljaž (Author), Veberič, Robert (Mentor) More about this mentor... This link opens in a new window

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Abstract
Premer rodnega lesa vpliva na debelino in kakovost plodov, zato smo preučevali vpliv le tega pri vrstah Actinidia deliciosa 'Hayward' in Actinidia arguta 'Issai', z namenom izvajanja rezi za večji in bolj kakovosten pridelek ter vpliv skladiščenja na maso, trdoto in kakovost plodov. Plodovi A. arguta so pri manjšem premeru rodnega lesa manjši in lažji, pri A. deliciosa pa so plodovi manjši in lažji na debelem poganjku. Premer rodnega lesa vpliva na trdoto le pri A. arguta. Plodovi A. arguta imajo večjo vsebnost skupnih sladkorjev in vsebujejo največ saharoze, pri A. deliciosa pa je največ glukoze in fruktoze. Pri A. arguta je več citronske kisline in manj kinske ter jabolčne kisline, kot pri A. deliciosa. Med skladiščenjem se zmanjšata trdota in vsebnost skupnih kislin, poveča pa se vsebnost skupnih sladkorjev in skupnih fenolov. Pri A. deliciosa poganjki z manjšim premerom nakazujejo boljšo kakovost plodov, vendar razlike niso velike. Za doseganje bolj izenačene kakovosti plodov pri A. arguta vsekakor priporočamo puščanje dveletnih poganjkov z debelejšim premerom in obiranje v dveh ali treh terminih.

Language:Slovenian
Keywords:sadjarstvo, aktinidija, kivi, Actinidia, A. deliciosa, A. arguta, kakovost, rodni les, skladiščenje
Work type:Master's thesis/paper (mb22)
Tipology:2.09 - Master's Thesis
Organization:BF - Biotechnical Faculty
Year:2018
Publisher:[A. Medič]
UDC:634.6:582.688.4:631.542:631.563:631.559(043.2)
COBISS.SI-ID:9286009 Link is opened in a new window
Views:265
Downloads:116
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Secondary language

Language:English
Title:Effect of fruiting wood on kiwi fruit quality (Actinidia spp.)
Abstract:
Diameter (vigour) of the fruit bearing canes has a big influence on fruit size and quality in kiwifruit. The aim of the study was to determine its impact on Actinidia deliciosa 'Hayward' and Actinidia arguta 'Issai' in order to devise the proper pruning technique which would yield the highest quality and the biggest size of the fruit. Additionally, the effect of storage parameters, such as weight, firmness and quality of the fruit was also investigated into. It was established that the fruit size and weight is lower in lower vigour canes in A. arguta, but lower in higher vigour canes in A. deliciosa. The cane vigour effects fruit firmness only in A. arguta. The fruits from A. arguta contain higher percentage of total sugars and higher concentration of sucrose compared to A. deliciosa in which glucose and fructose are present in the highest concentrations. The fruits from A. arguta contain more citric acid and less quinic and malic acid compared to A. deliciosa. During storage, total sugars and total phenolic compounds tend to increase and the total organic acids and firmness decrease. Lower vigour canes in A. deliciosa display better fruit quality, however, the differences are not significant. In A. arguta it is recommended that higher vigour canes are left while pruning. It is also recommended to perform the harvest two to three times per season, to achieve more equal fruit quality.

Keywords:horticulture, kiwi, Actinidia, A. deliciosa, A. arguta, quality, wood type, storage

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