Growth and Physiological Responses of Yerba Mate Seedlings and Mini-Cuttings Under Drought Stress

Gortari, Fermín; Londero, Walter Oscar; Rocha, Patricia; Niella, Fernando

doi:10.1590/01047760202026032740

Cited by 3 publications

(4 citation statements)

References 20 publications

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“…In our study, however, we observed that instead of increased root growth, yerba mate demonstrated a stagnated growth in both its shoots and roots when subjected to a water de cit. Similar results were obtained by Gortari et al (2020) after subjecting yerba mate seedlings and mini-cuttings to simulated drought periods.…”

Section: Resultssupporting

confidence: 80%

“…Although we observed a reduced growth and symptoms of water stress in seedlings subjected to a lower water availability, the treatments used in our study and the duration for which seedlings were subjected to this water availability (60 days) were insu cient to cause plant death. Decreased growth in plants subjected to water de cit has been widely demonstrated for arboreal species and has also been observed in other yerba mate genotypes (Gortari et al 2020). In the latter study, water de cits reduced plant height, and both seedlings and mini-cuttings responded similarly to water de cit after 50 days.…”

Section: Resultsmentioning

confidence: 72%

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Morphological, physiological, and biochemical responses of yerba mate (Ilex paraguariensis) genotypes to water deficit

Gabira,

Bergeron,

Duarte

et al. 2023

Preprint

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Severe drought is expected to increase in frequency and intensity in South America, likely causing decreased plant productivity and altering species distributions. Yerba mate (Ilex paraguariensis) is a tree species native to South America and has an ecological, social, and economic importance in several countries. Natural forests and cultivated areas of yerba mate will be endangered by climate change because of the expected reduction in water availability. Here we determined how four clonal genotypes of yerba mate (BRS BLD Yari, BRS BLD Aupaba, BRS 408, and EC40) respond to water deficits by evaluating the plants’ morphophysiological and biochemical characteristics when subjected to four levels of soil water holding capacity (WHC at 100%, 80%, 60%, or 40%) over 60 days. We observed a reduction in plant height and biomass accumulation related to the decrease in water availability; physiological and biochemical parameters indicated that water-deficit stress reduced the plants’ C assimilation and increased their production of bioactive compounds. BRS BLD Yari and BRS BLD Aupaba had a higher tolerance to low water availability, whereas the EC40 and BRS 408 genotypes experienced a more pronounced reduction in growth and biomass accumulation. Understanding how different yerba mate genotypes respond to water deficit is essential for favoring species conservation and developing climate-adapted breeding programs.

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Section: Resultssupporting

confidence: 80%

Section: Resultsmentioning

confidence: 72%

Morphological, physiological, and biochemical responses of yerba mate (Ilex paraguariensis) genotypes to water deficit

Gabira,

Bergeron,

Duarte

et al. 2023

Preprint

View full text Add to dashboard Cite

show abstract

“…(Aquifoliaceae) are normally consumed as an infusion called "mate" or "chimarrão" in Argentina, Brazil, Paraguay and Uruguay (Pereira Croge et al 2021). The industry of yerba mate deeply influences the economy of the producer regions of Argentina, Brazil and Paraguay, which harbor about 160,000, 85,000 and 35,000 ha of this crop, respectively (Gortari et al 2020), amounting a production of more than 900,000 tons in 2016 (Pereira Croge et al 2021).…”

Section: Original Paper the Dnaj Gene Family In Yerba Mate (Ilex Para...mentioning

confidence: 99%

“…As a whole, our study suggests that the 140 DNAJs characterized of yerba mate are potentially responsive genes to cope with the well-known major stresses that persistently affect this crop in the context of an universal full-Rodriguésia 74: e00492022. 2023 sun monoculture practice, such as those abiotic (Rakocevic et al 2008;Gortari et al 2019Gortari et al , 2020Salas et al 2019), biotic (Sosa et al 2011;Rybak et al 2014;Bejerman et al 2017;Bergottini et al 2017) and mechanical (Kurtz et al 2014) shocks. We hypothesize that the large repertoire of DNAJ genes and these cis-acting regulatory elements are concomitant to the survival of the yerba mate plant during those multiple stresses.…”

Section: Genomic Mapping Of Yerba Mate Dnajsmentioning

confidence: 99%

The DNAJ gene family in yerba mate (Ilex paraguariensis): genome-wide identification, structural characterization, orthology based classification and expression analysis

Aguilera

Debat²,

Castrillo

et al. 2023

Rodriguésia

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Dry leaves and twigs of yerba mate are widely infusion-consumed in southern Southamerica. Endemic and adapted to the Atlantic Forest, its extensive full-sun monoculture links to diverse biotic (pest, pathogens) and abiotic stresses (solar radiation, drought), impacting its productivity, ecology and socioeconomic niche. We focused in comprehensively characterize the DNAJ gene family in yerba mate to predict its possible roles on development and diverse stress responses to further assist crop manage. Our results suggest that yerba mate DNAJ proteins account 140 diverse members of six structural types displaying potential variable roles in protein homeostasis control. We were able to classify them into 51 distinct orthology groups, in agreement to Arabidopsis, and performed translational genomics of function, localization, expression and stress responsiveness data. Genome mapping and expression analysis indicated that yerba mate DNAJ genes differ in expression, nucleotide composition, length and exon-intron structure. Intronless or few introns genes -linked to rapid stress response- accounted 85 DNAJs. Promoters of DNAJ genes harbored a 73.2% of cis-acting regulatory elements involved in response to diverse stresses, hormones and light, simultaneously. We hypothesize that yerba mate DNAJs assist to plant survival during multiple stresses linked to current dominant agroecosystem but promote its growth under shade.

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Planting seasons and environments in initial field establishment of yerba mate clonal cultivars in Southern Brazil

Aguiar,

Gabira,

Santin

et al. 2023

Rev. Ceres

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Growth and Physiological Responses of Yerba Mate Seedlings and Mini-Cuttings Under Drought Stress

Cited by 3 publications

References 20 publications

Morphological, physiological, and biochemical responses of yerba mate (Ilex paraguariensis) genotypes to water deficit

Morphological, physiological, and biochemical responses of yerba mate (Ilex paraguariensis) genotypes to water deficit

The DNAJ gene family in yerba mate (Ilex paraguariensis): genome-wide identification, structural characterization, orthology based classification and expression analysis

Planting seasons and environments in initial field establishment of yerba mate clonal cultivars in Southern Brazil

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