Warming Change Nutritional Status and Improve Stylosanthes capitata Vogel Growth Only Under Well-Watered Conditions

Barreto, Rafael Ferreira; Prado, Renato de Mello; Habermann, Eduardo; Viciedo, Dilier Olivera; Martínez, Carlos A.

doi:10.1007/s42729-020-00255-5

Cited by 14 publications

(4 citation statements)

References 31 publications

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“…However, under field conditions crops are usually subjected to different abiotic stress simultaneously. Recent studies revealed that the responses of forage tropical plants to a combination of different abiotic stresses, such as warming and drought, are unique and cannot be extrapolated from simply studying each of these different stresses applied individually (Barreto et al., 2020; Borjas‐Ventura et al., 2019; Habermann, et al., 2019; Olivera‐Viciedo et al., 2019). Therefore, field and multi‐factor experimental approaches are needed to improve our understanding of plant nutrient dynamics under future climate conditions.…”

Section: Introductionmentioning

confidence: 99%

Water stress and warming impact nutrient use efficiency of Mombasa grass (Megathyrsus maximus) in tropical conditions

Viciedo

Prado

Martínez

et al. 2020

J Agronomy Crop Science

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Temperature and other abiotic factors, such water and nutrient availability, play an important role for plants in response to the changing environments. At this regard, both warming and drought might affect the nutrient use efficiency (NUE) and growth of Megathyrsus maximus a C4 forage grass of high interest for cattle feeding. However, the nutrient requirements of this species under climate change are unknown. Therefore, we aimed to evaluate the individual and combined effects of two levels of temperature: ambient and elevated temperature (2°C above ambient temperature), and two levels of soil water availability: irrigated plants and non‐irrigated plants on accumulation of leaf nutrients, NUE and biomass production of M. maximus. Temperature control was performed by a temperature free‐air‐controlled enhancement (T‐FACE) system under field conditions. In general, we observed that warming under well‐irrigated conditions increased the leaf accumulation of most nutrients, improving the NUE of N, P, K, Ca, Mg, Cu, Mn and Zn. Plant growth was also enhanced under warming effects, with higher leaf dry mass accumulation and root development. Meanwhile, drought decreased NUE of K, Ca, B and leaf dry biomass, while root growth was stimulated. The combined effects of warming and drought on nutrient accumulation, NUE and plant growth tended to be greater than the individual effects expected from a single factor; thus, warming mitigated the negative impacts of individual drought. In summary, our findings suggest that warming and drought, both as individual and combined factors, will change the nutrient requirements of M. maximus in tropical ecosystems.

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Section: Introductionmentioning

confidence: 99%

Water stress and warming impact nutrient use efficiency of Mombasa grass (Megathyrsus maximus) in tropical conditions

Viciedo

Prado

Martínez

et al. 2020

J Agronomy Crop Science

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Section: Discussionmentioning

confidence: 99%

“…Climatic warming could have positive [ 52 ], neutral [ 53 ], and negative [ 17 , 54 ] impacts on plant nutrition status, which strongly depend on water status (e.g., [ 17 , 53 ]) and ecosystem/biome types [ 52 , 54 , 55 ]. The present results showed no warming effect on N mass across all dominant species (Table 1 ), indicating a neutral effect [ 53 ]. Warming may reduce the N concentration due to dilution under amply watered conditions; however, warming with drought may cancel the dilution due to inhibited plant growth [ 14 , 56 ].…”

Section: Discussionmentioning

confidence: 99%

Coordination of leaf functional traits under climatic warming in an arid ecosystem

Chen

Zhou

et al. 2022

BMC Plant Biol

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Background Climatic warming is increasing regionally and globally, and results concerning warming and its consequent drought impacts have been reported extensively. However, due to a lack of quantitative analysis of warming severities, it is still unclear how warming and warming-induced drought influence leaf functional traits, particularly how the traits coordinate with each other to cope with climatic change. To address these uncertainties, we performed a field experiment with ambient, moderate and severe warming regimes in an arid ecosystem over 4 years. Results Severe warming significantly reduced the specific leaf area and net photosynthetic rate with a relatively stable change and even enhancement under moderate warming, especially showing species-specific performance. The current results largely indicate that a coordinated trade-off can exist between plant functional traits in plant communities in a dryland ecosystem under ambient temperature conditions, which is strongly amplified by moderate warming but diminished or even eliminated by severe warming. Based on the present findings and recent results in the relevant literature, we advance the ecological conceptual models (e.g., LES and CSR) in the response to climatic warming in arid grassland communities, where the few key species play a crucial role by balancing their functional performances to cope with environmental change. Conclusion Our results highlight the importance of coordination and/or trade-off between leaf functional traits for understanding patterns of climatic change-induced vegetation degradation and suggest that the plant community composition in these drylands could be shifted under future climate change.

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“…It`s widely known that plants responses and vulnerabilities to concomitant abiotic stresses cannot be directly extrapolated from studies that evaluate each stress individually, since interactive effects are at play under eld conditions (Barreto et al, 2020;Habermann et al, 2021;Olivera-Viciedo et al, 2019, 2021b. This presupposes that the response of plants in adverse situations is dependent (at least in part) on their adaptation and tolerance to combined stress conditions.…”

Section: Introductionmentioning

confidence: 99%

Are the interaction effects of warming and drought on nutritional status and biomass production in a tropical forage legume greater than their individual effects?

Viciedo

Prado

Martínez

et al. 2021

Planta

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Climate change effects on natural and managed ecosystems are di cult to predict due to its multi-factor nature. However, most studies which investigate the impacts of climate change factors on plants, such as warming or drought, were conducted under one single stress and controlled environments. In this study, we evaluated the effects of elevated temperature (+ 2°C) (T) under different conditions of soil water availability (W) to understand the interactive effects of both factors on leaf, stem, and in orescence macro and micronutrients concentration and biomass allocation of a tropical forage species, Stylosanthes capitata Vogel under eld conditions. Temperature control was performed by a Temperature Free-Air Controlled Enhancement (T-FACE) system. We observed that warming changed nutrient concentrations and plant growth depending on soil moisture levels, but the responses were speci c for each plant-organ. In general, we observed that warming under well-watered conditions greatly improved nutrient concentration and biomass production, whilst the opposite effect was observed under nonirrigated and non-warmed conditions. However, under warmed and non-irrigated conditions, we observed that leaf biomass and leaf nutrient concentration greatly reduced when compared to non-warmed and irrigated plants. Our ndings suggest that warming (2°C above ambient temperature) and drought, as well as both combined stresses, will change the nutrient requirements and biomass distributions between plant aerial organs of S. capitata in tropical ecosystems, which may impact animal feeding in the future.

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Warming Change Nutritional Status and Improve Stylosanthes capitata Vogel Growth Only Under Well-Watered Conditions

Cited by 14 publications

References 31 publications

Water stress and warming impact nutrient use efficiency of Mombasa grass (Megathyrsus maximus) in tropical conditions

Water stress and warming impact nutrient use efficiency of Mombasa grass (Megathyrsus maximus) in tropical conditions

Coordination of leaf functional traits under climatic warming in an arid ecosystem

Are the interaction effects of warming and drought on nutritional status and biomass production in a tropical forage legume greater than their individual effects?

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