Determining the optimum irrigation scheduling for intensively irrigated wine grapes to ensure maximum grape and wine quality while maintaining production

Project Number
WW 04-09

Project title
Determining the optimum irrigation scheduling for intensively irrigated wine grapes to ensure maximum grape and wine quality while maintaining production

Project leader
Myburgh, P A

Team members
Howell, C L
Louw, A

Project description
The aim of this project is to determine the effect of various irrigation practices on wine quality of pinotage and Sauvignon blanc by means of a field trial at Robertson. In spite of differences in vigour, production and juice composition that were primarily induced by the effect of the trellis systems, wine quality did not differ significantly. Since all treatments have only been applied for two seasons, and wine quality and analyses were determined for one season only, it is not possible to identify significant trends at this stage. However, at the end of the 2001 2002 season three years data will be available for evaluation.

Poster(s)
Howell, C L, Myburgh, P A and Blignaut, E. 2000. Effect of deficit irrigation and trellis system on performance of pinotage and Sauvignon blanc. Part I. Soil and plant water status. Poster presented at the 2nd International Congress of the South African Society for Enology and Viticulture. 8-10 November, Cape Town, South Africa.

Blignaut, E, Myburgh, P A and Howell, C L. 2000. Effect of deficit irrigation and trellis system on performance of pinotage and Sauvignon blanc. Part II. Canopy light and temperature. Poster presented at the 2nd International Congress of the South African Society for Enology and Viticulture. 8-10 November, Cape Town, South Africa.

Myburgh, P A, Blignaut, E and Howell, C L. 2000. Effect of deficit irrigation and trellis system on performance of pinotage and Sauvignon blanc. Part III. Growth and production. Poster presented at the2nd International Congress of the South African Society for Enology and Viticulture. 8-10 November, Cape Town, South Africa.

Louw, A, Myburgh, P A, Howell, C L and Blignaut, E. 2000. Effect of deficit irrigation and trellis system on performance of pinotage and Sauvignon blanc. Part IV. Wine quality. Poster presented at the 2nd International Congress of the South African Society for Enology and Viticulture. 8-10 November, Cape Town, South Africa.

Presentation(s)
Howell, C L, Myburgh, P A and Blignaut, E. 2000. Effect of deficit irrigation and trellis system on performance of pinotage and Sauvignon blanc. Part I. Soil and plant water status. Paper presented at the 2nd International Congress of the South African Society for Enology and Viticulture, 8-10 November, Cape Town, South Africa.

Blignaut, E, Myburgh, P A and Howell, C L. 2000. Effect of deficit irrigation and trellis system on performance of pinotage and Sauvignon blanc. Part II. Canopy light and temperature. Paper presented at the 2nd International Congress of the South African Society for Enology and Viticulture. 8-10 November, Cape Town, South Africa.

Myburgh, P A, Blignaut, E and Howell, C L. 2000. Effect of deficit irrigation and trellis system on performance of pinotage and Sauvignon blanc. Part III. Growth and production. Paper presented at the 2nd International Congress of the South African Society for Enology and Viticulture. 8-10 November, Cape Town, South Africa.

Louw, A, Myburgh, P A, Howell, C L and Blignaut, E. 2000. Effect of deficit irrigation and trellis system on performance of pinotage and Sauvignon blanc. Part IV. Wine quality. Paper presented at the 2nd International Congress of the South African Society for Enology and Viticulture. 8-10 November, Cape Town, South Africa.

Myburgh, P A, Howell, C L and Blignaut, E. 2001. Effect of soil water depletion level on plant water status, growth, yield and water use of young, bearing pinotage and Sauvignon blanc grapevines. Paper presented at the 12th GiESCO Congress, 3-7 July, Montpellier, France.

Howell, C L and Myburgh, P A. 2003. Effect of soil water depletion level and trellis system on plant water status, growth, yield and water use of Pinotage grapevines. Paper presented at the SAII Symposium. 8 May, Goudini, South Africa.

FinalReport.pdf

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