Cropping and Pruning Systems of Primocane Raspberries in the Subtropical Climate

Raspberry production is limited to cold temperate areas of high latitude due to the requirement of low temperatures for flowering and fruiting from most cultivars. However, primocane cultivars, as they are less demanding in cold conditions, represent a possible alternative that suits regions with a...

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Veröffentlicht in:Horticulturae 2024-11, Vol.10 (11), p.1197
Hauptverfasser: Medina, Ricardo Bordignon, Bezerra, Yane Caroline dos Anjos, Oliveira, Ellen Rayssa, Kluge, Ricardo Alfredo, Spósito, Marcel Bellato
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Sprache:eng
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Zusammenfassung:Raspberry production is limited to cold temperate areas of high latitude due to the requirement of low temperatures for flowering and fruiting from most cultivars. However, primocane cultivars, as they are less demanding in cold conditions, represent a possible alternative that suits regions with a subtropical climate. The cultivar Heritage primocane raspberry was investigated in the Cwa climate, in three production systems (PS), during two crop cycles. In PS1, canes were hard pruned at ground level after primocane fruiting. In PS2, canes were tipped to promote subapical bud break for a second harvest. In PS3, canes were tipped again after the second harvest to induce a third harvest. PS1 had the lowest yield, however, after two cycles; in plants of this system it was observed the highest root weight, and starch content. Raspberries subjected to subapical pruning show lower carbohydrate storage in the root system. The production systems had little influence on fruit qualities, in both cycles. The cultivation of cv. Heritage raspberry primocane, in the subtropical Cwa climate can be carried out with sequential pruning, allowing for the production of commercial fruits with harvests distributed over the months, without any reduction in the postharvest quality of the fruits produced.
ISSN:2311-7524
2311-7524
DOI:10.3390/horticulturae10111197