Water Relations and Leaf Anatomy of the Tropical Species, Jatropha gossypifolia and Alternanthera crucis, Grown Under an Elevated CO&lt;sub&gt;2&lt;/sub&gt; Concentration

Rengifo, Elizabeth; Urich, Rosa; Herrera, Ana

doi:10.1023/a:1022679109425

Cited by 15 publications

(8 citation statements)

References 29 publications

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“…Similarly, leaves of the tropical tree, Alternanthera crucis (Moq. ), increased in thickness following drought (Rengifo et al , 2002). In Olea europea (L.), drought decreased leaf cell size and density, as well as the number of leaf scales (Bosabalidis & Kofidis, 2002).…”

Section: Will Drought or Elevated Co2 Affect Sieve Element Localizatimentioning

confidence: 99%

Can the plant‐mediated impacts on aphids of elevated CO₂ and drought be predicted?

Pritchard

Griffiths

Hunt

2007

Global Change Biology

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The effects of drought and elevated CO 2 on the performance of sap-feeding aphids is considered. It is assumed that, for these stressors, the major influence will act through altering host plant composition and therefore diet. Changes in the plant may affect the ability to locate phloem tissues, while changes in composition of the sieve element forming the aphid diet may have more direct effects. It is concluded that plant response to conditions where carbon is present in excess (elevated CO 2 ) or its consumption is exceeded by its availability (drought) is heterogeneous at the cellular level. The complexities of the response of the plant to components of climate change are paralleled by the diversity of the responses of aphids to drought and elevated CO 2 . Potential control points are discussed and it is concluded that current knowledge, both descriptive and mechanistic, supports the view that it is unreasonable to expect that a single plant component can predict the general response of aphids to climate change. Instead, it is more likely that aphids use a variety of cues when interacting with their host plants, and individual species respond to changes in their diet differently. Further work examining the response of both plant and aphid transcriptome and metabolome will support or contradict this hypothesis.

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Section: Will Drought or Elevated Co2 Affect Sieve Element Localizatimentioning

confidence: 99%

Can the plant‐mediated impacts on aphids of elevated CO₂ and drought be predicted?

Pritchard

Griffiths

Hunt

2007

Global Change Biology

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“…The obtained values were expressed in number of stomata per mm 2 . The stomatal index was calculated as SI = 100 SD/(SD + ECD) where SD is stomatal density and ECD is epidermal cells density as defined by Rengifo et al (2002).…”

Section: Methodsmentioning

confidence: 99%

Stomatal Development and Associated Photosynthetic Characteristics of Watermelon (Citrullus lanatus) Plug Seedlings during Light Storage

Duan¹,

Yang²,

Jiang³

et al. 2014

horts

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Illumination during storage was proven to extend the storability of seedlings, but little attention has been given to the underlying mechanism. To determine how light conditions affect photosynthetic status in watermelon [Citrullus lanatus (Thunb.) Matsum. and Nakai] plug seedlings, differences of stomatal development and relative photosynthetic characteristics of expanding new leaves when stored for 8 days at 15 °C in light at a photosynthetic photon flux (PPF) of 15 μmol·m−2·s−1 or darkness were investigated. The stomatal density (SD) increased with time to a peak and then decreased from the start of storage in light to the subsequent transplantation. Dark storage retarded the stomatal development and delayed the appearance of the peak of SD. Compared with those under dark storage, light-stored seedlings showed significantly higher SD and stomatal index (SI) in leaves accompanied by higher maximal photochemical efficiency of PSII (Fv/Fm) and quantum yield of PSII (ΦPSII). During storage in darkness, Fv/Fm and ΦPSII declined steeply with increasing storage duration but recovered gradually to reach the same level of those in light at the fourth day after transplanting. Seedlings stored in light for 8 days showed higher net photosynthesis rate (Pn), stomatal conductance (gS), intercellular CO2 concentration (Ci), and transpiration rate (Tr) than in darkness. The post-storage recovery of Pn, gS, and Tr were closely related to the SI, which ensured the fast recovery of photosynthesis during the early stage of transplanting. In agreement with the change of SD, no differences in Pn, gS, Ci, and Tr between light and dark storage were observed after 8 days of transplantation. Seedlings stored in light appeared vigorous and the shoot dry weight was significantly higher than that of dark-stored ones. Although seedlings in dark storage had a poor appearance during storage, they showed inhibited regrowth potentials during the subsequent transplanting stage. This study exhibited that light in short-term storage contributed to maintaining stomatal development as well as photosynthetic efficiency in watermelon, which could also extend to post-storage for ensuring the transplant quality of seedlings after removal from storage.

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“…Elevated temperature can also change stomatal traits such as stomatal size, shape and density (Hao et al, 2019), which are closely related to leaf-level photosynthesis and transpiration. Moreover, elevated [CO 2 ] may also have profound effects on leaf structures and stomatal traits (Fan et al, 2020), although the conclusions are generally inconsistent (Rengifo et al, 2002;Smith et al, 2012;Fan et al, 2020). Previous studies have reported that leaf thickness and/or stomatal density are usually increased (Smith et al, 2012;Fan et al, 2020) or decreased (Zheng et al, 2019) when C 3 plants are grown at higher [CO 2 ], and other studies also found that the leaf structures and/or stomatal traits of C 4 plants were obviously affected by increased [CO 2 ] (Driscoll et al, 2005;Habermann et al, 2019).…”

Section: Introductionmentioning

confidence: 99%

The CO2 fertilization effect on leaf photosynthesis of maize (Zea mays L.) depends on growth temperatures with changes in leaf anatomy and soluble sugars

et al. 2022

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Understanding the potential mechanisms and processes of leaf photosynthesis in response to elevated CO2 concentration ([CO2]) and temperature is critical for estimating the impacts of climatic change on the growth and yield in crops such as maize (Zea mays L.), which is a widely cultivated C4 crop all over the world. We examined the combined effect of elevated [CO2] and temperature on plant growth, leaf photosynthesis, stomatal traits, and biochemical compositions of maize with six environmental growth chambers controlling two CO2 levels (400 and 800 μmol mol−1) and three temperature regimes (25/19°C, 31/25°C, and 37/31°C). We found that leaf photosynthesis was significantly enhanced by increasing growth temperature from 25/19°C to 31/25°C independent of [CO2]. However, leaf photosynthesis drastically declined when the growth temperature was continually increased to 37/31°C at both ambient CO2 concentration (400 μmol mol−1, a[CO2]) and elevated CO2 concentration (800 μmol mol−1, e[CO2]). Meanwhile, we also found strong CO2 fertilization effect on maize plants grown at the highest temperature (37/31°C), as evidenced by the higher leaf photosynthesis at e[CO2] than that at a[CO2], although leaf photosynthesis was similar between a[CO2] and e[CO2] under the other two temperature regimes of 25/19°C and 31/25°C. Furthermore, we also found that e[CO2] resulted in an increase in leaf soluble sugar, which was positively related with leaf photosynthesis under the high temperature regime of 37/31°C (R2 = 0.77). In addition, our results showed that e[CO2] substantially decreased leaf transpiration rates of maize plants, which might be partially attributed to the reduced stomatal openness as demonstrated by the declined stomatal width and stomatal area. These results suggest that the CO2 fertilization effect on plant growth and leaf photosynthesis of maize depends on growth temperatures through changing stomatal traits, leaf anatomy, and soluble sugar contents.

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Water Relations and Leaf Anatomy of the Tropical Species, Jatropha gossypifolia and Alternanthera crucis, Grown Under an Elevated CO<sub>2</sub> Concentration

Cited by 15 publications

References 29 publications

Can the plant‐mediated impacts on aphids of elevated CO₂ and drought be predicted?

Can the plant‐mediated impacts on aphids of elevated CO₂ and drought be predicted?

Stomatal Development and Associated Photosynthetic Characteristics of Watermelon (Citrullus lanatus) Plug Seedlings during Light Storage

The CO2 fertilization effect on leaf photosynthesis of maize (Zea mays L.) depends on growth temperatures with changes in leaf anatomy and soluble sugars

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Water Relations and Leaf Anatomy of the Tropical Species, Jatropha gossypifolia and Alternanthera crucis, Grown Under an Elevated CO<sub>2</sub> Concentration

Cited by 15 publications

References 29 publications

Can the plant‐mediated impacts on aphids of elevated CO2 and drought be predicted?

Can the plant‐mediated impacts on aphids of elevated CO2 and drought be predicted?

Stomatal Development and Associated Photosynthetic Characteristics of Watermelon (Citrullus lanatus) Plug Seedlings during Light Storage

The CO2 fertilization effect on leaf photosynthesis of maize (Zea mays L.) depends on growth temperatures with changes in leaf anatomy and soluble sugars

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Product

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Can the plant‐mediated impacts on aphids of elevated CO₂ and drought be predicted?

Can the plant‐mediated impacts on aphids of elevated CO₂ and drought be predicted?