Cropping potential of raspberry long-cane plants is affected by their growing conditions and duration of cold storage

Palonen, Pauliina; Pohjola, Matti; Karhu, Saila

doi:10.1080/14620316.2015.11668740

Cited by 6 publications

(2 citation statements)

References 22 publications

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“…It is also interesting that winter chilling tends to enhance flowering and yield potential in marginally induced blackberry plants. This is an unusual flowering response, and it is particularly interesting that the same response was reported for red raspberry plants [21]. Thus, flowering and yield potential of potted long cane raspberry plants increased steadily as cold storage at −1 • C was extended from 4 to 12 and 20 weeks.…”

Section: Discussionsupporting

confidence: 64%

Temperature and Daylength Effects on Growth and Floral Initiation in Biennial-Fruiting Blackberry

Sønsteby,

Heide

2023

Horticulturae

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Little is known about the environmental control of growth and flower bud initiation (FBI) in commercial blackberries. We studied the processes in the cultivars ‘Lock Ness’, ’Ouachita’ and ‘Sweet Royalla’ at 12, 16 and 20 °C in a daylight phytotron under naturally decreasing autumn daylength at Ås, Norway (59°40′ N). Growth rate increased with increasing temperature but was much lower at all temperatures in the erect ‘Ouachita’ than in the trailing cultivars ‘Lock Ness’ and ‘Sweet Royalla’. In all cultivars, FBI occurred earliest at 16 °C, whereas little or no FBI took place in ‘Ouachita’ and ‘Lock Ness’ at 12 °C. Growth cessation was earliest at 16 °C where it occurred in early September in all cultivars, suggesting a critical daylength of approximately 14 h. At variance from earlier statements, FBI started in lateral buds situated several nodes below the apex and progressed in both acropetal and basipetal directions as previously reported for red raspberry. Winter chill at 0 °C enhanced flowering in spring in marginally induced plants of all cultivars except ‘Ouachita’ grown at 12 °C, which remained vegetative in spring. The results suggest that temperature is as important as daylength for FBI in biennial-fruiting blackberry, and that winter chilling may enhance flowering and yield potential in partially induced plants.

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Section: Discussionsupporting

confidence: 64%

Temperature and Daylength Effects on Growth and Floral Initiation in Biennial-Fruiting Blackberry

Sønsteby,

Heide

2023

Horticulturae

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“…In our experiment, the plants were also grown in the same conditions the previous year. In an earlier study we observed that the number of flowers (cropping potential) in 'Maurin Makea' long cane plants increased by 28-40% in tunnel-grown canes compared to the field-grown canes, depending on the duration of cold storage (Palonen et al, 2015).…”

Section: Discussionmentioning

confidence: 89%

The influence of high tunnel on yield and berry quality in three floricane raspberry cultivars

Palonen

Pinomaa

Tommila

2017

Scientia Horticulturae

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Growing raspberries in polyethylene tunnels is becoming more and more common. We wanted to examine the effect of high tunnel growing conditions on yield and berry quality in three floricane raspberry cultivars, 'Glen Ample', 'Glen Dee', and 'Maurin Makea', under Northern high-latitude conditions. Compared to the open field, fruit yield per cane was doubled in the tunnel. Fruit bioactive properties, including phenolic compounds and antioxidant activity, were not affected by the tunnel growing conditions. Of the cultivars investigated, 'Glen Dee' fruit had the lowest concentration of total phenolics. In the open field, the total phenolics content in 'Glen Ample' berries was 48% higher than 'Glen Dee'. Berries grown in the open field had higher contents of soluble solids (°Brix) and higher titratable acidity than those grown in the tunnel. Additionally, 'Glen Ample' and 'Maurin Makea' berries were sweeter than 'Glen Dee' berries. In conclusion, raspberry production in polyethylene tunnels may provide major benefits through increased fruit yield. While fruit bioactive properties were not affected, sensory taste may be different, however, as berry sweetness and acidity were decreased in the high tunnel.

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Estimating the temperature limitations for growth cessasion and floral initiation in red rasberry ( Rubus idaeus L.) and the floral-inducing effect of winter chilling

Sønsteby,

Heide

2024

The Journal of Horticultural Science and Biotechnology

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Cropping potential of raspberry long-cane plants is affected by their growing conditions and duration of cold storage

Cited by 6 publications

References 22 publications

Temperature and Daylength Effects on Growth and Floral Initiation in Biennial-Fruiting Blackberry

Temperature and Daylength Effects on Growth and Floral Initiation in Biennial-Fruiting Blackberry

The influence of high tunnel on yield and berry quality in three floricane raspberry cultivars

Estimating the temperature limitations for growth cessasion and floral initiation in red rasberry ( Rubus idaeus L.) and the floral-inducing effect of winter chilling

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