For foliage wires in vineyards, Deltex® Polyester Wire is the best alternative to traditional steel wire.
The smooth surface makes it ideal when using with plastic covers or nets.
Viticulturalists respect Deltex wire for its effective management of the vine canopy. It offers many benefits and advantages over traditional steel wire:
Made of polyester makes it a lot easier to handle than steel wire and about 40% quicker to install, reducing labour costs and saving time. Knots are required at end posts (wood or metal) only, and no staples or nails are necessary.
Deltex wire is lighter than steel wire and doesn’t "kink" or create weak spots, as can happen with galvanised wire.
Deltex wire is put under tension when installed and keeps its original tension throughout its lifetime without further need to re-tension it. Again, reducing labour costs and time. When the tension is released it will return to its original length, it will never remain permanently stretched. In extreme weather conditions and temperatures, it will provide good support for soft fruit, top fruit and vineyards all year round.
Due to its elasticity, the first set of Deltex foliage wires can be positioned below the cordon wire at the start of the growing season, without losing any tension, by using a plastic clip. During the first lift of the foliage wires, the wire will go back to its original position, keeping the foliage upright and exposing maximum leaf area to the sun for optimal photosynthesis. The “lift-up” of the foliage is more rapid because of the permanent tension on the wire. Time saving due to the ease of use is between 5 and 10 times superior to steel wire.
Less clips or staples are necessary to keep the foliage wires together. The wire keeps the foliage in place, not the clip.
- SUITABLE FOR USE WITH NEW TECHNOLOGY
Deltex wire can be used confidently with existing and new technology such as pre-pruners and harvesting machines.
Because of its polyester structure, no chemicals found in the soil, or sprayed on the crop, will weaken Deltex Wire. It is also ideal in coastal conditions where steel wire is prone to rust. Its high UV stability keeps its strength.
A simple knot can be used to repair or join the wire, and a Gripple can also be used.
Deltex wire is neutral to temperature changes and maintains its structural capacity and mechanical performance between -40°C and +70°C. As it is polyester treated with carbon black, Deltex does not conduct electricity. Its lifespan is up to 30 years, subject to in-situ conditions.
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