Fruit Variation in Yellow-Fleshed Actinidia ( Actinidia chinensis Planch) Plants Grown in Southern Italy as a Function of Shoot Type

Antonio Dattola (), Antonella Accardo, Rocco Zappia and Gregorio Antonio Maria Gullo
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Antonio Dattola: Department of AGRARIA, Mediterranean University of Reggio Calabria, 89124 Reggio Calabria, Italy
Antonella Accardo: Department of AGRARIA, Mediterranean University of Reggio Calabria, 89124 Reggio Calabria, Italy
Rocco Zappia: Department of AGRARIA, Mediterranean University of Reggio Calabria, 89124 Reggio Calabria, Italy
Gregorio Antonio Maria Gullo: Department of AGRARIA, Mediterranean University of Reggio Calabria, 89124 Reggio Calabria, Italy

Agriculture, 2024, vol. 14, issue 8, 1-13

Abstract: One of the goals of modern orcharding is to produce a high volume of fruits with uniform size, organoleptic parameters, and health characteristics. The aim of this work was to study various shoot types and their prevailing positions along the cane and to identify how shoot type can influence the quality of fruit from the Actinidia tree. The experiment was conducted over a two-year period in a commercial orchard of Actinidia chinensis , cv. Gold 3. The shoots along the cane were classified as follows: spur shoots (SPs), terminated shoots (TEs), non-terminated shoots (NTs), and cut non-terminated shoots (CNTs). The data were statistically processed using ANOVA and Principal Component Analysis (ACP). Four different categories of fruit were obtained from the four shoot types, and their various attributes were compared. The prevailing category (comprising 55% of the studied fruits) was TEs, which are characterised by a higher soluble solid content, sweetness, and excellent health characteristics, as well as the reduced hardness of their pulp, which would support the hypothesis that harvesting could be brought forward. The second most common category (comprising 19% of total fruit) with the lowest soluble solid content, but a high antioxidant capacity, was that which was detached from the CNTs, while 13% of the fruit was produced from NTs, which had the lowest health value but good sweetness perception. Finally, the category with the lowest fruit percentage over the total fruit harvested (10%) was SPs, which are characterised by their smaller size. It has yet to be determined what the performance of each category will be post-harvest; whether it is possible to assign the quality categories while harvesting the fruit or to differentiate the harvest time accordingly remains subject to debate.

Keywords: fruit quality; hydraulic conductance; kiwifruit; shoot type (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2024
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