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8 Cards in this Set
- Front
- Back
- 3rd side (hint)
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The main Eurasain species of vine? |
Vitis Vinifera |
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Vine pest which attack vine roots |
Phylloxera |
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Describe crossings |
A new variety which is produced from two parents of the same species |
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Describe hybrid |
Vine whose parents come from two different species |
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How does Phylloxera kill vitis vinifera |
Lives underground and feeds on roots of vines. Infections enter through feeding wounds |
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How do American vines protect against phylloxera? |
1) Clog mouth of phylloxera with sticky sap 2) form protective layers behind feeding wound preventing secondary infections |
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What is grafting |
Technique used to join a rootstock to a vitis vinifera variety |
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Describe 2 types of grafting |
Bench grafting - automated process by plant nurseries - short sections of cane from vv + rootstock jointed by machine, stores in warm environment Head grafting - existing vine cut back to trunk - new variety grafted onto trunk - takes 3 years |
Bench and head |
