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In the early 1990’s vineyard managers discovered the benefits of grow tubes:
• Rapid vine growth and vineyard establishment – you typically harvest your first crop 1 year sooner, and ramp up to full harvest levels faster
• “Automatic” vine training – you save several passes through the field to train vines, since grow tubes guide them to the cordon wire
• Faster, easier & more effective weed control – grow tubes shield vines from herbicide spray and mechanical cultivators, greatly facilitating first year weed control
Plantra’s C-style Grow Tubes have everything you should look for in a grow tube:
• 3.5 inch diameter for thicker stems and balanced root to shoot ratio
• Peach color to optimize photosynthesis (while allowing blue light in the top of the tube where it belongs)
• Twin wall (corrugated) construction, both for rigidity and to diffuse light for optimal photoreception
• Side-opening slit, so the tubes can be removed after vines are trained to the wire & compactly stored for re-use
This shouldn’t come as a surprise: Plantra’s grow tube design team of Joe Lais and Steve Tillmann introduced grow tubes to the vineyard industry, and have conducted or supervised the important research that has optimized growth tube performance.
