Impact of Weed Management Practices on Grapevine Growth and Yield Components

Sanguankeo, Paolo; León, Ramón G.; Malone, Julian

doi:10.1614/ws-08-100.1

Cited by 30 publications

(24 citation statements)

References 13 publications

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“…Drought was partially responsible for the notable decline in plant species richness and density in 2007, when rainfall was only 29% of that in 2006. Sanguankeo et al. (2009) previously reported that in the present study, plant densities and biomass observed in the cultivation, cover crop and control treatments reduced grape yields by 0, 13 and 24% in 2006 and 22, 45 and 48% in 2007, respectively, compared with the herbicide treatments.…”

Section: Discussionmentioning

confidence: 99%

“…However, it seems that plant density could have played a major role in arthropod diversity (Tables 2 and 3). This result could also be attributed to plant biomass, but this is unlikely because the cover crop and the untreated control had the same plant biomass (Sanguankeo et al. , 2009).…”

Section: Discussionmentioning

confidence: 99%

“…A field study was conducted to evaluate the effect of different weed control tactics on grape vine production, and on plant and ground dwelling arthropod communities. The impact of these tactics on grape vine production was discussed in a previous article by Sanguankeo et al. (2009), whereas the present article is focused on the effects on vegetation and arthropod communities.…”

Section: Introductionmentioning

confidence: 99%

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Weed management practices determine plant and arthropod diversity and seed predation in vineyards

Sanguankeo

León

2011

Weed Research

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Sanguankeo PP & León RG (2011). Weed management practices determine plant and arthropod diversity and seed predation in vineyards. Weed Research51, 404–412. Summary In the Central Coast of California, USA, wine grape growers are making efforts to identify weed control practices that preserve biodiversity in their vineyards while maintaining yields. A field study was conducted in Paso Robles, California in 2006 and 2007 evaluating the effect on plant and ground dwelling arthropod communities of five weed control practices conducted under the vines within the row (berm): (i) flumioxazin, (ii) simazine, (iii) cultivation, (iv) cover crop and (v) untreated control. The cover crop, cultivation and untreated control had 4–50 times higher plant density and more than 15 times higher plant diversity compared with the herbicide treatments. The arthropod activity‐density differed among treatments only in 2007, being higher in the cover crop and untreated control. There was a positive relationship between plant and arthropod diversity (r2 = 0.42, P = 0.02 in 2006; r2 = 0.64, P < 0.001 in 2007). Laboratory seed predation tests of the two most frequently captured carabid beetles, Calathus ruficollis and Tanystoma maculicolle, indicated they predated more of the common weed species Brassica nigra and Capsella bursa‐pastoris, than other weed species tested. Under field conditions, treatments with higher plant diversity and density favoured arthropod seed predation of these weeds. Predation rates were 20–40% in the cover crop and untreated control, double that observed in the herbicide treatments. The cultivation treatment balanced the benefits of promoting diversity while minimising yield reductions caused by weed competition. The results indicate that weed management practices that promote higher plant diversity and density have the potential to yield ecological benefits within vineyards, for example, enhancing the activity of beneficial organisms.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Weed management practices determine plant and arthropod diversity and seed predation in vineyards

Sanguankeo

León

2011

Weed Research

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“…, 2006) and in vineyards (Baumgartner et al. , 2007, 2008), where Sonchus species are considered problematic weeds, in part because they grow into the vine canopy and interfere with harvest (Sanguankeo et al. , 2009).…”

Section: Discussionmentioning

confidence: 99%

Weed flora and dormant‐season cover crops have no effects on arbuscular mycorrhizae of grapevine

Baumgartner

Fujiyoshi

Smith³

et al. 2010

Weed Research

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Baumgartner K, Fujiyoshi P, Smith R & Bettiga L (2010). Weed flora and dormant‐season cover crops have no effects on arbuscular mycorrhizae of grapevine. Weed Research50, 456–466. Summary We tested the hypothesis that arbuscular mycorrhizal fungal (AMF) diversity and colonisation of grapevine increase with increasing frequency and diversity of mycorrhizal hosts on the vineyard floor. The vineyard floor cover was manipulated by cover cropping (rye, triticale) inter‐rows, and implementing weed control treatments in intra‐row areas. Weed control treatments were the standard practice of pre‐emergence applications of oxyfluorfen or simazine, and alternatives of post‐emergence applications of glyphosate or oxyfluorfen, and cultivation. Grapevine mycorrhizal colonisation and frequency, diversity and richness of mycorrhizal weeds were examined for 3 years, after which AMF diversity was evaluated using PCR. Canonical correspondence analyses showed that weed control, but not cover crops, affected weed composition; cultivation and post‐emergence treatments were dominated by mycorrhizal weeds (Sonchus oleraceus and Conyza canadensis respectively), pre‐emergence treatments were dominated by non‐mycorrhizal Cyperus esculentus. Weed frequency varied among treatments; cultivation was less effective than both herbicide treatments in the first year, and both cultivation and post‐emergence herbicide were least effective in the last year. Therefore, the alternative weed control methods may not be as effective as the pre‐emergence herbicide. Weed control had a significant interaction with year on frequency, diversity and richness of mycorrhizal weeds, none of which correlated with grapevine mycorrhizal colonisation. Our finding of no effect of weed control on grapevine mycorrhizae, despite significant effects on weeds, provide no support our hypothesis, but rather suggest that mycorrhizal hosts on the vineyard floor have no influence on grapevine mycorrhizae.

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“…Another result of sustained herbicide use is a shift in weed communities (Elmore et al 1997, Afonso et al 2003, Gago et al 2007, Baumgartner et al 2007, Sanguankeo et al 2009). When annual weeds are controlled through herbicides, perennial weeds can become more common and difficult to control (Elmore et al 1997).…”

Section: Herbicidesmentioning

confidence: 99%

Influence of Floor Management Technique on Grapevine Growth, Disease Pressure, and Juice and Wine Composition: A Review

Guerra¹,

Steenwerth²

2011

Am. J. Enol. Vitic.

179

116

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Vineyard floor management has multiple goals that encompass improving weed management and soil conservation, reducing soil resource availability to control vine vigor, and influencing desirable aspects in wine quality. This review addresses the effects of cultivation, weed control, cover crops, and mulch on vine growth and balance, disease pressure, yield, and juice and wine quality in many growing regions (Australia, New Zealand, South Africa, Europe, and the western United States); offers recommendations for practical use; and highlights research needs. In the last decade, more literature has been published on mulching and cover cropping than on cultivation and herbicide use, suggesting stronger interest in cover cropping and mulching practices for vineyards. Cover crops have the potential to improve soil and vine health, can be adapted to many climates and soils, and may influence vine vigor by adjusting parameters such as the length of their growth period, coverage of the vineyard floor, and aggressiveness. Cover crops increased juice soluble solids, anthocyanins, and other phenolic components and decreased titratable acidity and pH. They were associated with red wines judged superior to those issued from non-cover-cropped vines. Use of organic mulches resulted in improved vine balance, soil water content, and friability, increased yields, and reduced pathogen and pest pressure. Plastic and fabric mulches remain impractical due to high installation cost. Application of newer techniques such as flame weeding or soil steaming is limited due to difficulty in targeting the appropriate stage of weed growth and limited susceptibility of some weed species to these techniques. Research needs include development of multiyear, multidisciplinary studies that use a mechanistic approach to link management practices to soil processes, grapevine responses, grape and wine composition, and sensory characteristics.

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Impact of Weed Management Practices on Grapevine Growth and Yield Components

Cited by 30 publications

References 13 publications

Weed management practices determine plant and arthropod diversity and seed predation in vineyards

Weed management practices determine plant and arthropod diversity and seed predation in vineyards

Weed flora and dormant‐season cover crops have no effects on arbuscular mycorrhizae of grapevine

Influence of Floor Management Technique on Grapevine Growth, Disease Pressure, and Juice and Wine Composition: A Review

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