Unpruned Vine According to the Umbrella System
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A diagram depicting an unpruned vine trained according to the umbrella system. This image shows stem renewal. This system is also known as the two-cane Kniffin system.
Keywords
umbrella, vine, grapevine, grape, grape vine, unpruned vine, umbrella system, two-cane kniffin, kniffinGalleries
PruningSource
Government Printing Office Yearbook of the United States Department of Agriculture (Washington, D.C.: Government Printing Office, 1897)
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