Preliminary results on the use of a modified point quadrat method for estimating canopy structure of grapevine training systems

Vitis

Volumn 35, Issue 1, 1996, Pages 23-28

  Poni, S ^a   Rebucci, Barbara ^a   Magnanini, E ^a   Intrieri, C ^a  

^a UNIVERSITY OF BOLOGNA   (Italy)

Author keywords

canopy density; canopy shape; leaf area; training system; Vitis vinifera L.

Indexed keywords

EID: 0029809779     PISSN: 00427500     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (14)

1. INTRIERI, C.; 1987: Experiences on the effect of vine spacing and trellis training system on canopy microclimate, vine performance and grape quality. Acta Hort. 206, 69-87.
2. _; PONI, S; 1995: Integrated evolution of trellis training systems and machines to improve grape and vintage quality of mechanized Italian vineyards. Amer. J. Enol. Viticult. 46, 116-127.
3. LAKSO, A. N.; 1993: Viticultural and physiological parameters limiting yield. In: Pool, R. M. (Ed.): Proc. of the Second N. J. Shaulis Grape Symposium. Pruning Mechanization and Crop Control, Geneva, N.Y., 9-13.
4. LEVY, E. B.; MADDEN, E. A.; 1933: The point quadrat method of pasture analysis. N. Z. J. Agricult. 46, 267-279.
5. MACLAUREN, M. D.; MARSAGLIA, G.; 1965: Uniform random number generators. J. Assoc. Comput. Mach., 12 Jan. 1965, 83-89.
6. PONI, S.; LAKSO, A. N.; TURNER, J. R.; MELIOUS, R. E.; 1994: Interactions of crop level and late season water stress on growth and physiology of field grown "Concord" grapevines. Amer. J. Enol. Viticult. 45, 252-258.
7. SMART, R. E.; 1985:. Principles of grapevine canopy microclimate manipulation with implications for yield and quality: A review. Amer. J. Enol. Viticult. 35, 230-239.
8. _; ROBINSON, M. D; 1991: Sunlight into Wine: A Handbook for Winegrape Canopy Management. Winetitles, Adelaide.
9. _; ROBINSON, J. B.; DUE, G. R.; BRIEN, C. J.; 1985: Canopy microclimate modification for the cultivar Shiraz. I. Definition of canopy microclimate. Vitis 24, 17-31.
10. _; SMITH, S. M.; 1988: Canopy management: Identifying the problems and practical solutions. In: SMART, R. E.; THORNTON, R.; RODRIGUEZ, S.; YOUNG, J. (Eds.): Proc. Second Intern. Symp. Cool Climate Viticulture and Oenology, January, 1988, Auckland, New Zealand. NZ Soc. Vitic. and Oenol. 109-115.
11. WARSEN WILSON, J.: 1960: Inclined point quadrats. New Phytol. 59, 1-8.
12. _; 1965: Stand structure and light penetration. I. Analysis by point quadrats. J. Appl. Ecol. 2, 383-390.
13. WEAVER, R. J.; 1963: Effects of leaf to fruit ratio on fruit quality and shoot development of Carignan and Zinfandel grapevines. Amer. J. Enol. Viticult. 14, 1-12.
14. WHEELER, R. E.; 1976: Random Variable Generators. Simuletter, Vol. III, October 1976, 16-22.