A trait-based approach in a Mediterranean vineyard: Effects of agricultural management on the functional structure of plant communities

Guerra, J. G. M.; Cabello, F.; Fernández‐Quintanilla, César; Dorado, José

doi:10.1016/j.agee.2021.107465

Cited by 18 publications

(27 citation statements)

References 71 publications

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“…To summarise, the effect of tillage is very consistent across studies, and we confirmed here that tillage favoured species with a ruderal strategy, an annual life cycle (Guerra et al, 2021; Hall et al, 2020; Mainardis et al, 2020) and an early flowering onset (Bopp et al, 2022; Guerra et al, 2021). The picture is more mixed for herbicides and mowing suggesting that they may also depend on other factors.…”

Section: Discussionsupporting

confidence: 82%

“…The picture is more mixed for herbicides and mowing suggesting that they may also depend on other factors. For example, in summer samplings, we found that herbicides selected small‐sized early flowering species as found by Bopp et al (2022) in three other wine regions of France, while other studies found that species in sprayed plots were rather high‐sized (Guerra et al, 2021; MacLaren et al, 2019) and late flowering (Guerra et al, 2021). This could also be explained by the existence of several viable strategies in sprayed vineyards, a pure ruderal strategy or a combined competitive‐ruderal strategy, which implies partly different trait values.…”

Section: Discussionsupporting

confidence: 68%

“…This could also be explained by the existence of several viable strategies in sprayed vineyards, a pure ruderal strategy or a combined competitive‐ruderal strategy, which implies partly different trait values. Finally, both Guerra et al (2021) and Hall et al (2020) highlighted that mowing selects hemicryptophytes, the former with a stress‐tolerant strategy, the latter with a competitive strategy. Our results partly reconcile these two studies since both hemicryptophytes with a C and CS strategy were selected by mowing, showing that again several strategies are viable.…”

Section: Discussionmentioning

confidence: 99%

“…However, due to the high diversity of species found in vineyards (e.g., around 900 species in France [Maillet, 2006]), taxonomic approaches have failed to highlight consistent responses of weeds to management practices. More recently, an increasing number of studies have investigated the response of weed communities to vineyard management, using a trait‐based approach (Bopp et al, 2022; Guerra et al, 2021; Hall et al, 2020; Kazakou et al, 2016; MacLaren et al, 2019; Mainardis et al, 2020). MacLaren et al (2019) showed that herbicide‐treated sites promoted relatively tall, small‐seeded weeds, indicators of a ruderal‐competitive life strategy.…”

Section: Introductionmentioning

confidence: 99%

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Consistent response of weeds according to Grime's CSR strategies along disturbance and resource gradients in Bordeaux vineyards

Fried

Blanchet

Cazenave³

et al. 2022

Weed Research

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Vineyards are an appropriate model for testing the filtering effect of management practices on weed communities, as a wide range of practices (tillage, herbicides and mowing) is implemented. The aim of this study is to highlight which trait values are selected by each practice in different environmental conditions, with special references to Grime's CSR strategies. A combination of a multivariate analysis (RLQ) and the fourth-corner analysis was used to analyse 400 floristic samples belonging to 100 vineyards in the wine-growing region of Bordeaux (France). The main structure of vineyard weed communities was shaped by the opposition between mowing, favouring hemicryptophytes with a competitive strategy, and soil tillage, favouring therophytes and nutrient-demanding species with a ruderal strategy. Secondly, the vineyard weed communities differed according to the trophic status of the soil.Vineyards on acidic, sandy soils with low organic matter were characterised by smallseeded annuals with a stress-tolerant strategy whereas vineyards with clayey, calcareous soils rich in organic matter, harboured larger perennial nitrophilous species with large seeds and a competitive strategy. Our study is the first to show that weed species responded consistently to two independent gradients with specific traits associated with disturbance (life cycle and SLA) and soil resources (plant height and seed mass) gradients. Based on knowledge of the soil characteristics, it becomes possible to predict which type of weeds will develop according to the combination of practices applied on the vineyard rows and inter-rows.

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Section: Discussionsupporting

confidence: 82%

Section: Discussionsupporting

confidence: 68%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Consistent response of weeds according to Grime's CSR strategies along disturbance and resource gradients in Bordeaux vineyards

Fried

Blanchet

Cazenave³

et al. 2022

Weed Research

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“…In the context of climate change, given the predictions of reduced rainfall in the Mediterranean basin [ 4 ], the area occupied by irrigated vineyards is expected to increase. Although this could prevent the detrimental effects of water shortage on vineyard yields [ 5 ], it could also have other undesirable effects, such as an increase in the presence of competitive and noxious weed species [ 6 , 7 ]. Winegrowers have tried to eradicate weeds in vineyards through conventional management based on the recurrent application of mechanical (tillage) and/or chemical (herbicides) control methods.…”

Section: Introductionmentioning

confidence: 99%

Use of Under-Vine Living Mulches to Control Noxious Weeds in Irrigated Mediterranean Vineyards

Guerra

Cabello²,

Fernández‐Quintanilla

et al. 2022

Plants

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This article assesses the use of under-vine living mulches in Mediterranean vineyards characterized by limited water resources, one of the reasons why this agronomic practice is currently unusual in these environments. The aim of the study was to test whether the use of this alternative method in Mediterranean vineyards could suppress noxious weeds without hindering optimal vineyard development. For this purpose, four native species were selected as living mulches: Festuca ovina, Pilosella officinarum, Plantago coronopus, and Plantago lanceolata. The variables measured during three years in two different experimental farms were: (a) living mulch cover, as a possible predictor of weed suppression success; (b) weed density and weed biomass, with special attention to noxious weed species; and (c) pruning weights, measured in the last year to analyze the cumulative effect of the treatments on the grapevine vegetative growth. Our results revealed that living mulches with high cover rates (average over 70%) also showed weed suppression of up to 95%, significantly controlling the occurrence of noxious weeds such as Erigeron canadensis. No significant effect of the different treatments on vine vegetative growth was found, although further studies would be necessary. Based on these findings, it can be concluded that under-vine living mulches could be an efficient and environmentally friendly method for weed control in Mediterranean vineyards where irrigation is available.

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Climate and management changes over 40 years drove more stress‐tolerant and less ruderal weed communities in vineyards

Bopp,

Kazakou,

Metay

et al. 2024

Ecological Monographs

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Spontaneous plant communities have undergone considerable constraints due to human‐mediated changes. Understanding how plant communities are shifting in response to land management and climate changes is necessary to predict future ecosystem functioning and improve the resilience of managed ecosystems, such as agroecosystems. Using Mediterranean weed communities as models of managed plant communities in a climate change hotspot, we quantified the extent to which they have shifted from the 1980s to the 2020s in response to climate and management changes in vineyards. The weed communities of the same 40 vineyards in the Montpellier region were surveyed using the same protocol in spring, summer, and autumn, for two years, with a 40‐year interval (1978–1979 vs. 2020–2021). In four decades, the annual range of temperatures (i.e., the difference between the warmest month's and the coldest month's mean temperatures) increased by 1.2°C and the summer temperatures by 2°C. Weed management diversified over time with the adoption of mowing that replaced the chemical weeding of interrows. Chemical weeding is now mostly limited to the area under the row. Current weed communities were 41% more abundant, 24% more diverse, and with a less even distribution of abundance across species than the 1980s communities at the vineyard level. Modern communities were composed of more annual species (57% of annual species in the 1980s vs. 80% in the 2020s) with lower community‐weighted seed mass and were composed of fewer C4 species. They had higher community‐weighted specific leaf area, higher leaf dry matter content, and lower leaf area than the 1980s weed communities. At the community level, the onset of flowering was earlier and the duration of flowering was longer in the 2020s. Climate change induced more stress‐tolerant communities in the 2020s while the diversification of weed management practices favored less ruderal communities. This study shows that plant communities are shifting in response to climate change and that land management is a strong lever for action to model more diverse and eventually more desirable weed communities in the future.

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A trait-based approach in a Mediterranean vineyard: Effects of agricultural management on the functional structure of plant communities

Cited by 18 publications

References 71 publications

Consistent response of weeds according to Grime's CSR strategies along disturbance and resource gradients in Bordeaux vineyards

Consistent response of weeds according to Grime's CSR strategies along disturbance and resource gradients in Bordeaux vineyards

Use of Under-Vine Living Mulches to Control Noxious Weeds in Irrigated Mediterranean Vineyards

Climate and management changes over 40 years drove more stress‐tolerant and less ruderal weed communities in vineyards

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