Implications of Seasonal Canopy Management and Growth Compensation in Grapevine*

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1 Implications of Seasonal Canopy Management and Growth Compensation in Grapevine* J.J. Hunter ARC Infruitec-Nietvoorbij, Private Bag X5026, 7599 Stellenbosch, South Africa Submitted for publication: June 2000 Accepted for publication: December 2000 Key words: Grapevine, canopy management, suckering, shoot positioning, topping, leaf removal, lateral removal, yield, sugar, hormones, growth compensation, canopy composition The effect of eight seasonal canopy management treatments on yield and growth compensation of a vertically trellised Vitis vinifera L. cv. Sauvignon blanc/110 Richter vineyard was investigated. East-West orientated rows were spaced 2.75 x 1.5 m. Spurs were spaced 15 cm apart. Intensive micro-irrigation was applied. Canopy

2 82 Implications of Seasonal Canopy Management tion (e.g. the formation of lateral shoots) resulting from alter-

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7 TABLES Implications of Seasonal Canopy Management 87

8 88 Implications of Seasonal Canopy Management

9 TABLE 11 Implications of Seasonal Canopy Management 89

10 90 Implications of Seasonal Canopy Management DAVffiS, W.J., METCALFE,

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