2021
DOI: 10.1007/s40626-021-00195-0
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Drought increases chlorophyll content in stems of Vitis interspecific hybrids

Abstract: Plants respond to drought stress through different physiological mechanisms. To highlight a specific adaptation strategy related to stem photosynthetic activity, woody tissue pigmentation was studied. In this work, 25 Vitis hybrids were studied in two experimental vineyards: one of them with sufficient water availability and the other showing drought stress. 1500 reflectance spectra of woody tissues were collected. Beside the spectral elaboration and interpretation, indexes for the pigment quantification were … Show more

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Cited by 21 publications
(8 citation statements)
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“…To balance the adverse effects of stomatal closure to limit carbon dioxide absorption, the chlorophyll content of the upper leaves increased compared with normal culture. This result is consistent with the conclusions in the literature [33,34].…”
Section: Discussionsupporting
confidence: 94%
“…To balance the adverse effects of stomatal closure to limit carbon dioxide absorption, the chlorophyll content of the upper leaves increased compared with normal culture. This result is consistent with the conclusions in the literature [33,34].…”
Section: Discussionsupporting
confidence: 94%
“…The focus of our study was to evaluate the levels of photosynthetic pigments, particularly chlorophylls, to gauge the impact of progressive dehydration on the photosynthetic apparatus. While some plants exhibit substantial declines in chlorophyll and carotenoid levels under drought stress (Mibei et al 2016 ; Raja et al 2020 ), variations in chlorophyll and carotenoid responses are influenced by plant sensitivity to drought stress (Rustioni and Bianchi 2021 ). Interestingly, some instances, such as water stress in tataricum buckwheat, can lead to augmented chlorophyll content (Aubert and Quinet 2022 ).…”
Section: Discussionmentioning
confidence: 99%
“…In this case, it may be possible that the temperature between 18 and 22 • C caused a higher stomatal conductance. A high water deficit can also modify the concentrations of chlorophyll and carotenoids [62,63]. A reduced chlorophyll content was found in several ornamental species, such as Catharanthus roseus, Helianthus annuus or Vaccinium myrtillus, grown in severe water stress conditions, but an increase in chlorophyll content was observed in plants under moderate water stress conditions [29,64,65].…”
Section: Discussionmentioning
confidence: 99%