Vegetation-Free Strip Width Affects Growth, Berry Composition, and Yield of Cabernet franc in Vigorous Growing Environments

Basinger, Nicholas T.; Jennings, Katherine M.; Monks, David W.; Mitchem, Wayne E.; Chaudhari, Sushila; Heitman, Joshua L.; Havlin, J. L.; Howard, A.; Spayd, S. E.

doi:10.5344/catalyst.2018.17005

Cited by 5 publications

(6 citation statements)

References 25 publications

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“…In both years, herbicide treatments had no effect on muscadine grape or SUN fruit quality parameters (Tables 2-4). Other studies have examined the effect that weeds and in-season groundcover have on fruit quality (Basinger et al 2018;Hickey et al 2016;Meyers et al 2014;Sanguankeo et al 2009). In the aforementioned studies, increased weed or groundcover presence resulted in higher concentration of soluble solids.…”

Section: Fruit Qualitymentioning

confidence: 99%

“…Management of weeds is an important part of vineyard maintenance. If left unmanaged, vineyard weeds can reduce airflow, impede labor efficiency, harbor unwanted pests, reduce yield, and alter fruit quality (Agusti-Brisach et al 2011;Basinger et al 2018;Wistrom and Purcell 2005). Weed control in vineyards is an important factor in the establishment of young grape vines, and weeds can continue to compete with established vines for water and nutrients (Celette et al 2009;Holland et al 2014).…”

Section: Introductionmentioning

confidence: 99%

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Effect of rate and timing of indaziflam on ‘Sunbelt’ and muscadine grape

et al. 2019

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Studies were conducted at six locations across North Carolina to determine tolerance of ‘Sunbelt’ grape (bunch grape) and muscadine grape (‘Carlos’, ‘Triumph’, ‘Summit’) to indaziflam herbicide. Treatments included indaziflam (0, 50, 73 g ai ha–1) or flumioxazin (213 g ai ha–1) applied alone in April, and sequential applications of indaziflam (36, 50, 73 g ai ha–1) or flumioxazin (213 g ai ha–1) applied in April followed by the same rate applied in June. No crop injury was observed across locations. Muscadine yield was not affected by herbicide treatments. Yield of ‘Sunbelt’ grape increased with sequential applications of indaziflam at 73 g ha–1 when compared to a single application of indaziflam at 50 g ha–1 or flumioxazin at 213 g ha–1 in 2015. Sequential applications of flumioxazin at 213 g ha–1 reduced ‘Sunbelt’ yield compared to a single application of indaziflam at 73 g ha–1 in 2016. Trunk cross-sectional area was unaffected by herbicide treatments. Fruit quality (soluble solids concentration, titratable acidity, and pH) for muscadine and bunch grape was not affected by herbicide treatments. Indaziflam was safe to use at registered rates and could be integrated into weed management programs for southern US vineyards.

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Section: Fruit Qualitymentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Effect of rate and timing of indaziflam on ‘Sunbelt’ and muscadine grape

et al. 2019

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“…Minimal effect of VFSW on fruit composition was also reported in newly established blackberry plantings (Meyers et al 2014). Previous research in mature blackberries and Vitis vinifera demonstrated that increased vegetative groundcover increased fruit SSC (Basinger 2015; Dixon et al 2015). In the present study, the only berry quality factor affected by VFSW was pH, which was consistent with ripe fruit pH values reported by others (Perkins-Veazie et al 2000).…”

Section: Resultsmentioning

confidence: 94%

“…Despite a growing body of research on the effect of cover crops in perennial cropping systems, limited research has been conducted on the effect of VFSW in these systems. In Cabernet Franc wine grape, VFSW ≥0.6 m resulted in increased cluster weight, individual fruit weight, and shoot pruning weights (Basinger 2015). Previous VFSW research in blackberry indicated that VFSW can affect several growth, yield, and fruit quality parameters in newly established blackberry (Meyers et al 2014).…”

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In-row Vegetation-free Strip Width Effect on Established ‘Navaho’ Blackberry

et al. 2017

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A field study was conducted in 2014 and 2015 in an established 5-yr old commercial blackberry planting to determine the effect of vegetation-free strip width (VFSW) on ‘Navaho’ blackberry vegetative growth, yield and fruit quality parameters, identify the optimum VFSW for blackberry plantings in the southeastern USA, and provide practical groundcover management recommendations that can increase the productivity of blackberry plantings. In Fall 2013, tall fescue was seeded in-row and allowed to establish. In Spring 2014, VFSW treatments (0, 0.6, 0.9, 1.2, and 1.8 m) were established in a randomized complete block statistical design with four replications. Blackberry growth measurements included primocane and floricane number, cane diam, individual fruit weight and yield. Fruit quality measurements included, soluble solids concentration (SSC), titratable acidity (TA) and pH. Primocane number increased with increasing VFSW in both years. Floricane number increased with increasing VFSW in 2014. Primocane diam decreased with increasing VFSW in 2014 but had a quadratic response in 2015. Berry weight and cumulative yield increased with increasing VFSW in both years. The only berry quality component affected by VFSW was pH, which decreased as VFSW increased. Results indicate that widening the VFSW in blackberry from the current recommendation of 1.2 m to 1.8 m could provide growers a means to increase plant growth, berry weight, and cumulative yield blackberry of a planting.

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“…Weeds are common pests in blueberry, with weed populations consisting of a mixture of both annual and perennial weeds (Roberts 2009). Weeds compete with plants for water, nutrients, sunlight, and space, and often affect plant growth, fruit bud set, flower initiation, yield, and fruit quality in blueberry as well as in tree fruits (Basinger et al 2018a(Basinger et al , 2018bBuckelew et al 2018aBuckelew et al , 2018bSciarappa and Pavllis 2004). Weeds may serve as alternate hosts for insects and diseases and may produce a favorable environment for vertebrate pests such as voles (Retamales and Hancock 2012).…”

Section: Introductionmentioning

confidence: 99%

Tolerance of southern highbush and rabbiteye blueberry cultivars to saflufenacil

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Jennings

Chaudhari³

et al. 2019

Weed Technol

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Greenhouse and field studies were conducted to determine tolerance of blueberry to saflufenacil. Greenhouse studies included five saflufenacil rates (0, 50, 100, 200, and 400 g ai ha−1) and three southern highbush blueberry cultivars (‘Legacy’, ‘New Hanover’, and ‘O’Neal’) and one rabbiteye blueberry cultivar (‘Columbus’). Saflufenacil treatments were soil applied into each pot when blueberry plants were approximately 30-cm tall. Visible injury (purpling/reddening of foliage and leaf abscission) ranged from 3% to 12%, 3% to 42%, 0% to 43%, and 0% to 29% with saflufenacil from 50 to 400 g ha−1 in Columbus, Legacy, New Hanover, and O’Neal, respectively, at 28 d after treatment. Regardless of injury, plant growth (change in height), soil plant analysis development, and whole-plant dry biomass of all cultivars did not differ among saflufenacil rates. Field studies were conducted in Burgaw, NC, to determine the tolerance of nonbearing (<3-yr-old and not mature enough to produce fruit) and bearing (>3-yr-old and mature enough to produce fruit) southern highbush blueberry (‘Duke’) to saflufenacil application at pre-budbreak or during the vegetative growth stage. Treatments included three rates of saflufenacil (50, 100, and 200 g ha−1), glyphosate (870 g ae ha−1), glufosinate (1096 g ai ha−1), glyphosate (870 g ha−1) + saflufenacil (50 g ha−1), glufosinate (1096 g ha−1) + saflufenacil (50 g ha−1), and hexazinone (1,120 g ai ha−1), applied POST-directed to the soil surface beneath blueberry plants in a 76-cm band on both sides of the blueberry planting row. The maximum injury from treatments containing saflufenacil was ≤11% in both nonbearing and bearing blueberry. No negative effects on plant growth or fruit yield were observed from any treatments. Results from both greenhouse and field studies suggest that saflufenacil applied at 50 (1X commercial use rate) and 100 g ha−1 is safe to use in blueberry.

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Vegetation-Free Strip Width Affects Growth, Berry Composition, and Yield of Cabernet franc in Vigorous Growing Environments

Cited by 5 publications

References 25 publications

Effect of rate and timing of indaziflam on ‘Sunbelt’ and muscadine grape

Effect of rate and timing of indaziflam on ‘Sunbelt’ and muscadine grape

In-row Vegetation-free Strip Width Effect on Established ‘Navaho’ Blackberry

Tolerance of southern highbush and rabbiteye blueberry cultivars to saflufenacil

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