The roots of nursery vines may be trimmed back slightly to facilitate planting, but it is very important to use the correct technique.

PHOTO 1. The roots of the grapevine were trimmed back to 5 cm before planting. This technique is incorrect. Too many reserves that are stored in the roots are sacrificed. The grapevine requires these reserves for initial root growth in spring.

PHOTO 2. No roots were trimmed back before planting the grapevine. This technique is incorrect as well. Many of the roots curl up in the plant holes, with the result that downward growth cannot take place.

PHOTO 3. The roots are trimmed back to approximately the length of the pruning shears before the grapevine is planted. This is the correct technique. The remaining roots still have sufficient reserves for good growth and are also able to spread out evenly across the mound of soil in the plant hole.

PHOTOS 4A & B. A J-shaped root system develops if no roots are trimmed back. The roots may also curl up in a spiral shape around the grapevine if they are too long. They may even strangle or suffocate the grapevine


Photo 1

Photo 2 Photo 3 Photo 4A Photo 4B


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