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Kim D. Bowman, Lynn Faulkner, and Mike Kesinger

measured. Tree trunk and canopy size information was collected in 2008 and 2010. Canopy volume was calculated by the formula, volume = (width 2 × height)/4 as described by Wutscher and Hill (1995) . Collier county field trial. A second trial comparing

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Sameer Pokhrel, Bo Meyering, Kim D. Bowman, and Ute Albrecht

. Canopy volume was calculated using the formula described in Wutscher and Hill (1995) , given as follows: canopy volume = (diameter 2 × height)/4. Scion and rootstock trunk diameters were measured at 5 cm above and below the graft union using a digital

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A. Morales-Sillero, R. Jiménez, J.E. Fernández, A. Troncoso, and L. Rejano

processing were analyzed in 2003. No significant differences in trunk perimeter and canopy volume were found between the fertigation treatments. Trunk perimeter mean values, measured at 0.2 m aboveground, were 0.62 m (±0.04) in 2002 and 0.67 m (±0.05) in

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Dario Stefanelli, Roberto J. Zoppolo, Ronald L. Perry, and Franco Weibel

insertion angle at the time of selection. Canopy volume was calculated measuring the total height as well as two orthogonal diameters of the canopy at 0.7 m from the soil surface. Production variables. Yield (kg/tree) and fruit number as well as cumulative

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Thomas A. Obreza and Arnold Schumann

are processed by a computer program to create a canopy volume map. Because citrus yield is directly related to canopy volume, this map helps growers make decisions about long-term management. For example, a grove with a wide range of canopy volumes can

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Ed Stover, Sharon Inch, Matthew L. Richardson, and David G. Hall

number, HLB phenotypic symptoms, and tree mortality were assessed monthly to quarterly beginning 20 months after planting. Tree canopy volume (TCV) was assessed using the assumption that tree shape was one-half a prolate spheroid (TCV = 4π/6 × H × W1 × W2

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Giuseppe Reforgiato Recupero, Giuseppe Russo, Santo Recupero, Roberto Zurru, Bruno Deidda, and Maurizio Mulas

cumulative yield to canopy volume for the last year, calculated as V = 0.5238 × h × d 2 (h = plant height; d = plant lateral mean diameter). Table 2. Yield, tree size, and efficiency of ‘Tarocco’ TDV orange on 19 rootstocks planted at Palazzelli (SR). Table

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Joan Tous, Agustí Romero, Juan F. Hermoso, Antònia Ninot, Joan Plana, and Ignasi Batlle

the budding point, and the canopy volume), growth habit (erect, open, or weeping), precocity (first year after budding with a crop of over 1.5 kg/tree and the first six cumulated crops), annual and cumulative pod production and kernel yield (kilograms

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Brian P. Pellerin, Deborah Buszard, Alex Georgallas, and Richard J. Nowakowski

year ( Fulford, 1966 ). ‘Wealthy’, a strongly biennial cultivar, requires a minimum distance of 15 to 25 cm between individual flower clusters, approximately equivalent to 40 flower clusters/m 3 of canopy volume, to maintain regular yields ( Bobb and

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Lorenzo León, Raúl de la Rosa, Diego Barranco, and Luis Rallo

genotypes according to vigor was very similar with the different vigor measurements evaluated (trunk cross-sectional area, canopy area, and canopy volume), because of the close relationship between these vigor measurements (correlation coefficients higher