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Table Grapes

Table grape variety trial 2018-2022

  1. Identify most promising varieties for western Colorado growers based on:
    1. Productivity
    2. Winter hardiness
    3. Flowering and harvest dates
    4. Pest and disease resistance
    5. Adaptability to common production methods
    6. Market acceptance
    7. Fruit quality
  2. Identify potential for value added use (juice, raisin).
  3. Determine enterprise feasibility.
  4. Identify optimal production methods.
  5. Develop educational materials.
  1. Established fruit producers looking for alternative crops with higher likelihood of success in light of changing climate.
  2. New growers.
  3. Local and regional grocers/buyers.

Facilitate development of a new crop for the fruit growing industry in western Colorado. By identifying reliable and productive varieties of table grapes, and their best management practices for this region, growers may confidently produce this crop. This project will provide information to buyers and processors interested in increasing the variety of Colorado grown products to their customers.

2018 - 2020

Planting, trellis and irrigation installation, establishment observations, fertility and irrigation trials during establishment, weed management trials, cover crop establishment, establishment cost tracking.

2020-2021

Initial harvest

2018 – 2024

Performance observation

2020 – 2040

Expansion of research topics
  1. Field preparation – soil analysis, preplant application of compost to match recommendation, installation of irrigation, bare root plant 6’X10’ spacing, install trellis posts and 1st trellis wire. Install bamboo stake or hang training twine, initiate vine training as soon as growth allows.
  2. Pending irrigation forecast establish (or not) ground cover between rows.
  3. Hand weed and apply organic burn down herbicide in-row
  1. Based on the experience of Idaho, where table grape production has been very successful, and limited observation of a few growers successfully growing and marketing table grapes in our area, western Colorado should be able to produce a high quality product that will be well received in local and regional markets. It is expected that fruit growers will be enthusiastic about diversifying their operations to include crops that are less susceptible to late spring freezes.
  2. Develop and publish extension bulletins, present findings at annual research field days and WCHS conference.
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