The importance of phyllosphere on plant functional ecology: a phyllo trait manifesto

Rosado, Bruno H. P.; Almeida, L. C.; Alves, Luciana F.; Lambais, Márcio Rodrigues; Oliveira, Rafael S.

doi:10.1111/nph.15235

Cited by 42 publications

(20 citation statements)

References 51 publications

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“…All these findings have highlighted the importance of in-depth studies on the complex relationships existing between plants and their native associated microbiota. New knowledge on this matter would be crucial to orient and improve sustainable viticultural practices, as well as to develop new control strategies [27,28,32].…”

Section: Discussionmentioning

confidence: 99%

“…Plants are commonly colonized by a rich diversity of microbes, represented by bacteria, fungi, and viruses, which are able to affect growth and productivity yields through several physiological mechanisms not yet fully understood. Only in the last few years, researchers started to study the bacteria associated with the phyllosphere in relation to changes of specific plant traits, such as photosynthetic rates, leaf temperature, and plant defense processes [25][26][27]. In addition, the importance of leaf microbial diversity as a factor influencing ecosystem productivity and functional relationships has already been demonstrated [28].…”

Section: Introductionmentioning

confidence: 99%

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Grapevine Phyllosphere Community Analysis in Response to Elicitor Application against Powdery Mildew

et al. 2019

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The reduction of antimicrobial treatments and mainly the application of environmentally friendly compounds, such as resistance elicitors, is an impelling challenge to undertake more sustainable agriculture. We performed this research to study the effectiveness of non-conventional compounds in reducing leaf fungal attack and to investigate whether they influence the grape phyllosphere. Pathogenicity tests were conducted on potted Vitis vinifera “Nebbiolo” and “Moscato” cultivars infected with the powdery mildew agent (Erysiphe necator) and treated with three elicitors. Differences in the foliar microbial community were then evaluated by community-level physiological profiling by using BiologTM EcoPlates, high throughput sequencing of the Internal Transcribed Spacer (ITS) region, and RNA sequencing for the viral community. In both cultivars, all products were effective as they significantly reduced pathogen development. EcoPlate analysis and ITS sequencing showed that the microbial communities were not influenced by the alternative compound application, confirming their specific activity as plant defense elicitors. Nevertheless, “Moscato” plants were less susceptible to the disease and presented different phyllosphere composition, resulting in a richer viral community, when compared with the “Nebbiolo” plants. The observed effect on microbial communities pointed to the existence of distinct genotype-specific defense mechanisms independently of the elicitor application.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Grapevine Phyllosphere Community Analysis in Response to Elicitor Application against Powdery Mildew

et al. 2019

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“…Stomata may also be clogged by water droplets without any of this water being absorbed, so that CO 2 cannot enter (Gerlein‐Safdi et al., ). In contrast, water absorption by leaves might vary positively in relation to gas exchange in different species of different ecosystems (Grammatikopoulos and Mannetas, ; Martin and von Willert, ; Simonin et al., ; Burkhardt et al., ; Eller et al., ; Berry et al., ; Rosado et al., ). Leaf wetting changes the leaf energy balance, decreasing temperature and consequently stomatal closure (Dawson and Goldsmith, ; Gerlein‐Safdi et al., ).…”

Section: Discussionmentioning

confidence: 99%

Foliar water‐uptake strategies are related to leaf water status and gas exchange in plants from a ferruginous rupestrian field

Boanares¹,

Kozovits²,

Lemos-Filho³

et al. 2019

American J of Botany

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Premise Fog is a frequent event in Brazilian rupestrian field and plays an important role in the physiology of several plant species. Foliar water uptake (FWU) of fog may be fast or slow depending on the species. However, fog water may negatively affect CO2 assimilation. Thus, the interference in the water and carbon balance as a result of different strategies of FWU was evaluated to verify whether fog may mitigate possible water deficit in leaves. Methods Four plant species with different FWU strategies were studied in a ferruginous rupestrian field with frequent fog. Gas exchange and water potential were measured before dawn and at midday during the dry and rainy seasons, separating foggy from non‐foggy days during the dry season. Results The FWU speed negatively influences CO2 assimilation in the dry season, possibly because of its negative relationship with stomatal conductance, since reduced stomatal aperture impairs carbon entrance. Fog presence increased leaf water potential both in early morning and midday during the dry season. However, during the rainy season, the values of leaf water potential were lower at midday, than during the dry season with fog at midday, which favors leaf gas exchanges. Conclusions FWU interferes negatively, but briefly with CO2 assimilation. Nevertheless, FWU prevents water loss through transpiration and increases the water status of plants in the dry season. That is, FWU results in a compensation between CO2 assimilation and foliar hydration, which, in fact, is beneficial to the plants of this ecosystem.

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“…For example, leaf wetting can promote the development of pathogens on the leaf surface (Huber & Gillespie, ; Knoll & Schreiber, ; Lindow & Brandl, ), reduce photosynthetic gas exchange (Ishibashi & Terashima, ) and lead to the uptake of toxic solutes (Percy & Baker, , ). However, emerging research has demonstrated that leaf surfaces that are w et also have a wide range of benefits for leaves themselves (Burkhardt et al ., ; Rosado et al ., ), as well as for the whole plant (Yates & Hutley, ; Burgess & Dawson, ; Simonin et al ., ; Ambrose et al ., ), community (Dawson, ; Gotsch et al ., ) and ecosystems as a whole (McHugh et al ., ). As such, these benefits may include many additional consequences for other organisms beyond just the plant (Vorholt, ).…”

Section: Introductionmentioning

confidence: 99%

The value of wet leaves

2018

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Contents Summary 1156 I. Introduction 1156 II. How often are leaves wet? 1157 III. The costs of leaf wetting 1157 IV. The real and potential benefits of leaf wetting 1161 V. Wet leaves: costs, benefits and tradeoffs in a changing world 1165 Acknowledgements 1166 References 1166 SUMMARY: An often-overlooked feature of all plants is that their leaf surfaces are wet for significant periods over their lifetimes. Leaf wetting has a number of direct and indirect effects on plant function from the scale of the leaf to that of the ecosystem. The costs of leaf wetting for plant function, such as the growth of pathogens and the leaching of nutrients, have long been recognized. However, an emerging body of research has also begun to demonstrate some very clear benefits. For instance, leaf wetting can improve plant-water relations and lead to increased photosynthesis. Leaf wetting may also lead to synergistic effects on plant function, such as when leaf water potential improvements lead to enhanced growth that does not occur when plant leaves are dry. We identify important reasons why leaf wetting can be critical for plant sciences to not only acknowledge, but also directly address, in future research. To do so, we provide a framework for the consideration of the relative balance of the various costs and benefits resulting from leaf wetting, as well as how this balance may be expected to change given projected scenarios of global climate change in the future.

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The importance of phyllosphere on plant functional ecology: a phyllo trait manifesto

Cited by 42 publications

References 51 publications

Grapevine Phyllosphere Community Analysis in Response to Elicitor Application against Powdery Mildew

Grapevine Phyllosphere Community Analysis in Response to Elicitor Application against Powdery Mildew

Foliar water‐uptake strategies are related to leaf water status and gas exchange in plants from a ferruginous rupestrian field

The value of wet leaves

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