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Hybrid R · Blackberry

Growing Blackberry in a
Hybrid R Multi-Tunnel

Thorny canes need clearance, the wide span delivers it. The Hybrid R delivers +20 to 30% vs. open field with birdproof ventilation, wide-span oval-tube construction, and Geometet® bolt-grade corrosion resistance.

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Technical Specs

Hybrid R × Blackberry, At a Glance

7.5 to 9.6 m

Ideal Width

60 to 80°F (15 to 27°C)

Temperature

55 to 70%

Humidity

Perennial floricane / primocane options available

Cycle Length

+20 to 30% vs. open field

Yield Gain

90 km/h (56 mph)

Wind Rating

Geomet® · ASTMB117-11

Bolt Standard

+30% vs. standard

Steel Strength

Structural Fit

Why the Hybrid R is the Right Structure for Blackberry

Blackberry canes are the tallest and most vigorous in the bramble family, reaching 6 to 9 feet in erect and semi-erect varieties and spreading 8 to 10 feet in trailing types. The Hybrid R's wide span is essential for trailing varieties like Marion and Boysen to achieve full lateral extension without cane crowding or structural interference. The birdproof venting protects ripe blackberries, which are highly attractive to birds and suffer significant cosmetic damage from pecking that eliminates them from fresh market channels.

Yield Gain

+20 to 30% vs. open field

vs. open-field production

Ideal Width

7.5 to 9.6 m

bay width for Blackberry

Cycle

Perennial floricane / primocane options available

production cycle

FAQ

Blackberry in a Hybrid R, Common Questions

Are blackberries a good crop for a Hybrid R multi-tunnel?
Blackberries are an excellent fit for the Hybrid R, particularly erect thornless varieties like Navaho, Ouachita, and Arapaho, which produce an upright cane that fits naturally within the tunnel's trellising system. Rain exclusion during harvest significantly reduces Botrytis cinerea fruit rot, which in humid climates can destroy 20 to 35% of open-field blackberry yield during peak season.
How much space do blackberry plants need inside a greenhouse tunnel?
Erect varieties are typically planted at 0.9 to 1.2 m in-row with 2.4 to 3.0 m between rows, giving each plant adequate lateral space for cane development. In a 9.6 m wide Hybrid R, you can configure 3 full erect-variety rows at 3 m spacing with two working aisles. Trailing varieties need wider row spacing, 3.5 to 4.5 m, so a 9.6 m bay accommodates 2 trailing rows with a center harvest path.
Does tunnel protection improve blackberry shelf life?
Yes, significantly. Rain-grown blackberries absorb excess moisture through the drupelets, which softens fruit and shortens post-harvest life to 3 to 5 days. Rain-excluded tunnel blackberries consistently measure higher in soluble solids (Brix) and maintain marketable firmness for 7 to 10 days at refrigerated temperatures, which is critical for growers selling through distributors or grocery chains rather than direct at-market.
Do I need to manage pollination inside a blackberry Hybrid R tunnel?
Yes, blackberries require bee pollination for full drupelets, and the enclosed structure limits native bee access. Commercial beehive placement (1 hive per 0.5 acre of tunnel area) during bloom is standard practice. Some growers use bumblebee colonies in boxes placed at the row ends, which are more effective than honeybees in tunnel environments due to their vibration-based buzz pollination behavior.

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← Hybrid R Overview

Full specs, features & configurations

MG Model Greenhouse

9.6 m wide · Full enclosed · 108 km/h

Macrotunnel

Most affordable · No concrete needed

Ready to Grow Blackberry in a Hybrid R?

Our team will design the right Hybrid R configuration for your Blackberry operation, crop rows, bay width, ventilation, and optional gutters. Nationwide service.

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