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| head trained - cane pruned |
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| head trained - spur pruned |
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| quadrilateral cordon system |
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Definition
i. movable shoot wires ii. arm iii. cordon is attached to the (cordon) wire iv. cordon
training system: unilateral cordons |
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Training determines the form and direction of the trunk and arms and the position of the shoots that develop from the buds retained at pruning.
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Definition
| the structure that supports and contributes shaping the vine structure |
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Term
| What are the basic aims of training and trellising? |
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Definition
1.Maximize production (yield and quality) maintaining a balanced vine (vegetative growth in relation to fruit production)
2.Facilitate cultural operations in the vineyard (spraying, tillage, pruning, harvesting)
3.Improve canopy microclimate (shading/sun burn, disease)
4.Support mechanical load of the grapevine
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| Can cuttings be purchased? |
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Definition
| Yes, certified cuttings can be purchased |
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Definition
| a horticultural technique whereby tissues from one plant are inserted into those of another so that the two sets of vascular tissues may join together |
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Term
| What is the difference between cleft and side-whip grafting? |
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Definition
| Cleft grafting is done in the middle of the rootstalk while side-whip is done on the side from the side of therootstalk |
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Term
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Definition
| cut a T into the vine, insert the new scion bud into the T, then the T is wrapped in plastic to keep the graft from loosing water |
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Term
| Training the vine: the first year |
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Definition
| during dormancy the vine is pruned back to a two bud spur |
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Term
| training the vine: the second year |
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Definition
| top above the cordon wire, the lateral shoots growing from either side of the new trunk will be used to form the cordons |
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Term
| training the vine: the third year |
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Definition
| establish the position of the vines |
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| What does North-South orientation of vineyards give the vines? |
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Definition
| maximizes light interception |
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| What does North East-South West orientation give the vines? |
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Definition
| minimizes exposure to hot afternoon sun reducing temp and sun burn in hot climates |
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Term
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Definition
-allow deep and spreading root growth
-provide enough aeration to allow root and microbial growth
-provide a moderate supply of water during the growing season
-provide moderate fertility
-have a pH within optimal ranges
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