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The effect of cane vigour on the kiwifruit (Actinidia chinensis) and kiwiberry (Actinidia arguta) quality

Medic, A.; Hudina, M.; Veberic, R.

Scientific Reports 11(1): 12749

2021


ISSN/ISBN: 2045-2322
PMID: 34140584
DOI: 10.1038/s41598-021-92161-8
Accession: 072699656

Kiwifruit has not been studied as much as other well-known fruits especially when it comes to studies about plant vigour and training systems. The aim of the study was to determine the importance of cane vigour of Actinidia chinensis var. deliciosa 'Hayward' and Actinidia arguta 'Issai' in order to develop the proper pruning technique that results in the best fruit quality. In addition, the effect of storage parameters such as weight, firmness and quality of the fruit was also studied. The study showed that the fruit size and weight are lower in low vigour canes in A. arguta, in contrast to A. chinensis, where the fruit size and weight are smaller on high-vigorous canes. For A. arguta, it is recommended to choose high-vigour canes as the optimal fruit wood during pruning. In this way, the fruits will ripen more evenly. The other possibility is to perform the harvest two to three times per season to achieve a more uniform fruit quality. In the case of A. chinensis the fruit are less variable between different cane vigour, so harvesting can be done in a single picking. In A. chinensis the less vigorous canes tend to show a slightly better fruit quality.

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