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Open AccessArticle

Effects of Cane Emergence Time, Bending, and Defoliation on Flowering and Yield in Primocane-Fruiting Blackberry

1
Appalachian Fruit Research Station, 2217 Wiltshire Road, Kearneysville, WV 25430, USA
2
Department of Plant Science, The Pennsylvania State University, University Park, PA 16802, USA
*
Author to whom correspondence should be addressed.
Agronomy 2020, 10(11), 1737; https://doi.org/10.3390/agronomy10111737
Received: 16 September 2020 / Revised: 20 October 2020 / Accepted: 27 October 2020 / Published: 7 November 2020
(This article belongs to the Special Issue Recent Trends and Advances in Research and Technology of Berry Crops)
Primocane-fruiting (PF) blackberries are adaptable to different production systems. To increase yields in PF blackberries, their primocanes are typically tipped or topped in summer to encourage branch formation from axillary buds below the cut. In this study, we determined in PF ‘Prime-Ark® Traveler’ whether early emerging primocanes were more productive than those that emerged later in the season, and the effect of primocane bending and defoliation on flowering. The primocanes that emerged in April produced 64% more flower shoots than those that emerged after May. Also, these findings indicate the alternative primocane management practices of selecting the early emerging primocanes and bending to orient primocanes horizontally, and leaf removal to increase budbreak and flower shoot emergence. The present work contributes toward a better understanding of primocane emergence time and orientation–flowering relations, and how these factors mediate crop performance of PF blackberry. View Full-Text
Keywords: Rubus; cultural practice; leaf removal; flowers; fruit; floricane; trellis; cane training; pruning; management strategy Rubus; cultural practice; leaf removal; flowers; fruit; floricane; trellis; cane training; pruning; management strategy
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MDPI and ACS Style

Takeda, F.; Rose, A.; Demchak, K. Effects of Cane Emergence Time, Bending, and Defoliation on Flowering and Yield in Primocane-Fruiting Blackberry. Agronomy 2020, 10, 1737. https://doi.org/10.3390/agronomy10111737

AMA Style

Takeda F, Rose A, Demchak K. Effects of Cane Emergence Time, Bending, and Defoliation on Flowering and Yield in Primocane-Fruiting Blackberry. Agronomy. 2020; 10(11):1737. https://doi.org/10.3390/agronomy10111737

Chicago/Turabian Style

Takeda, Fumiomi; Rose, Ann; Demchak, Kathleen. 2020. "Effects of Cane Emergence Time, Bending, and Defoliation on Flowering and Yield in Primocane-Fruiting Blackberry" Agronomy 10, no. 11: 1737. https://doi.org/10.3390/agronomy10111737

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