Search Results - "Martins, João Paulo Rodrigues"

Cytokinins combined with activated charcoal do not impair in vitro rooting in Quercus robur L.: insights from morphophysiological and hormonal analyses by Martins, João Paulo Rodrigues, Mokhtari, Amir Mohammad, Wawrzyniak, Mikołaj Krzysztof

“…In vitro rooting remains a challenge for many woody species, including Quercus robur. While auxins combined with activated charcoal (AC) have traditionally…”

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Effects of drought stress on chlorophyll a fluorescence in two rubber tree clones by Falqueto, Antelmo Ralph, da Silva Júnior, Roque Alves, Gomes, Marcos Thiago Gaudio, Martins, João Paulo Rodrigues, Silva, Diolina Moura, Partelli, Fábio Luiz

“…•A significant difference in leaf water potential between two rubber tree clones was observed at 38days after water deficit (DAWD).•In the FX3864 clone, the…”

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Impacts of photoautotrophic and photomixotrophic conditions on in vitro propagated Billbergia zebrina (Bromeliaceae) by Martins, João Paulo Rodrigues, Verdoodt, Veerle, Pasqual, Moacir, De Proft, Maurice

“…Micro-propagation techniques contribute to the multiplication of several bromeliad species. However, micropropagated plantlets often present low survival rate…”

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Selenium biofortified Aechmea blanchetiana (Bromeliaceae) can resist lead-induced toxicity during in vitro culture by Martins, João Paulo Rodrigues, Conde, Lorenzo Toscano, Falqueto, Antelmo Ralph, Gontijo, Andreia Barcelos Passos Lima

“…Lead (Pb) is a heavy metal that can induce morphophysiological changes and disturb the normal functioning of plants. However, the deleterious effects caused by…”

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Photosynthetic apparatus performance in function of the cytokinins used during the in vitro multiplication of Aechmea blanchetiana (Bromeliaceae) by Rosa, Waldesse Stoch, Martins, João Paulo Rodrigues, Rodrigues, Elizangela Santos, de Almeida Rodrigues, Luiz Carlos, Gontijo, Andreia Barcelos Passos Lima, Falqueto, Antelmo Ralph

“…During the in vitro multiplication phase, the employment of cytokinins may be necessary to induce side shoots of many plant species. However, the mechanism by…”

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Sources and concentrations of silicon modulate the physiological and anatomical responses of Aechmea blanchetiana (Bromeliaceae) during in vitro culture by Martins, João Paulo Rodrigues, Rodrigues, Luiz Carlos de Almeida, Silva, Thayna dos Santos, Santos, Elizangela Rodrigues, Falqueto, Antelmo Ralph, Gontijo, Andreia Barcelos Passos Lima

“…The use of silicon (Si) has been shown to be a good alternative to improve the growth and content of photosynthetic pigments of plants propagated in vitro. So…”

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Anatomical, physiological, and biochemical modulations of silicon in Aechmea blanchetiana (Bromeliaceae) cultivated in vitro in response to cadmium by Cipriano, Rosiane, Martins, João Paulo Rodrigues, Conde, Lorenzo Toscano, Moreira, Samuel Werner, Clairvil, Evens, Braga, Priscila da Conceição de Souza, Gontijo, Andreia Barcelos Passos Lima, Falqueto, Antelmo Ralph

“…Cadmium (Cd) has no known biological role in plants but shows high toxicity. A viable alternative to alleviate the deleterious effects of plants under heavy…”

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Morphophysiological responses, bioaccumulation and tolerance of Alternanthera tenella Colla (Amaranthaceae) to excess copper under in vitro conditions by Martins, João Paulo Rodrigues, Vasconcelos, Leandro Lopes de, Braga, Priscila da Conceição de Souza, Rossini, Franciele Pereira, Conde, Lorenzo Toscano, Rodrigues, Luiz Carlos de Almeida, Falqueto, Antelmo Ralph, Gontijo, Andreia Barcelos Passos Lima

“…Copper (Cu) is an essential metal and both its deficiency and excess has negative effects on the growth and physiology of plants. Some plant species can…”

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Impacts of photoautotrophic, photomixotrophic, and heterotrophic conditions on the anatomy and photosystem II of "in vitro"-propagated Aechmea blanchetiana (Baker) LB. Sm. (Bromeliaceae) by Martins, João Paulo Rodrigues, de Almeida Rodrigues, Luiz Carlos, Santos, Elizangela Rodrigues, Gontijo, Andreia Barcelos Passos Lima, Falqueto, Antelmo Ralph

“…In vitro culture conditions have a major impact on the physiology and anatomy of micropropagated plants. Sucrose plays a very important role in…”

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Tolerance and potential for bioaccumulation of Alternanthera tenella Colla to cadmium under in vitro conditions by Rodrigues, Luiz Carlos Almeida, Martins, João Paulo Rodrigues, de Almeida Júnior, Osmar, Guilherme, Luiz Roberto Guimarães, Pasqual, Moacir, de Castro, Evaristo Mauro

“…High concentrations of cadmium (Cd) in the environment can threaten the local biota and one of its main sources is anthropic activities such as zinc (Zn)…”

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Anatomical and physiological responses of Billbergia zebrina (Bromeliaceae) to copper excess in a controlled microenvironment by Martins, João Paulo Rodrigues, Adalvan Daniel Martins, Marinês Ferreira Pires, Roberto Alves Braga Junior, Renan Oliveira Reis, Gabrielen de Maria Gomes Dias, Moacir Pasqual

“…Copper (Cu) plays crucial biochemical and physiological functions in plants. However, at high concentrations, Cu can become extremely toxic, inducing several…”

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Rhizogenic behavior of black pepper cultivars to indole-3-butyric acid by Secundino, Welington, Alexandre, Rodrigo Sobreira, Schimildt, Edilson Romais, Schimildt, Omar, Magevski, Gizele Cristina, Martins, João Paulo Rodrigues

“…Little information is available regarding vegetative propagation of the species Piper nigrum L. to generate technical recommendations for the production of…”

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Morphophysiological responses of Aechmea blanchetiana (Bromeliaceae) to excess copper during in vitro culture by Martins, João Paulo Rodrigues, Rodrigues, Luiz Carlos de Almeida, Silva, Thayna dos Santos, Rossini, Franciele Pereira, Gontijo, Andreia Barcelos Passos Lima, Falqueto, Antelmo Ralph

“…The use of plants as bioindicators can be effective for environmental monitoring, mainly related to heavy metals such as copper (Cu). In vitro conditions are…”

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Cryopreservation of sessile oak (Quercus petraea (Matt.) Liebl.) plumules using aluminium cryo-plates: influence of cryoprotection and drying by Wasileńczyk, Urszula, Wawrzyniak, Mikołaj Krzysztof, Martins, João Paulo Rodrigues, Kosek, Paulina, Chmielarz, Paweł

“…BACKGROUND QUERCUS: seeds that are recalcitrant to desiccation and freezing temperatures cannot be stored in gene banks under conventional conditions. However,…”

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Analyses of OJIP transients in leaves of two epiphytic orchids under drought stress by Zampirollo, Jadson Bonini, Pinheiro, Clodoaldo Leites, Santos, Vinícius Fonseca dos, Braga, Priscila Conceição Souza, Martins, João Paulo Rodrigues, Silva, Diolina Moura, Falqueto, Antelmo Ralph

“…Abstract The tolerance to low water availability is a decisive factor for growth and survival of orchids in their natural environment. The objective of this…”

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Morphophysiological responses of Billbergia zebrina Lindl. (Bromeliaceae) in function of types and concentrations of carbohydrates during conventional in vitro culture by Santos, Elizangela Rodrigues, Martins, João Paulo Rodrigues, Rodrigues, Luiz Carlos de Almeida, Gontijo, Andreia Barcelos Passos Lima, Falqueto, Antelmo Ralph

“…Abstract When propagated in vitro, explants receive all the nutrients needed for their growth, including carbohydrates, from the culture medium. However, it is…”

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Anatomical and physiological responses of Aechmea blanchetiana (Bromeliaceae) induced by silicon and sodium chloride stress during in vitro culture by Cipriano, Rosiane, Martins, João Paulo Rodrigues, Conde, Lorenzo Toscano, Silva, Mariela Mattos da, Silva, Diolina Moura, Gontijo, Andreia Barcelos Passos Lima, Falqueto, Antelmo Ralph

“…Salt stress is one of the most severe abiotic stresses affecting plant growth and development. The application of silicon (Si) is an alternative that can…”

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Limiting temperatures of embryo growth and seed germination of Fraxinus excelsior L. (Oleaceae): a threshold model approach by Wawrzyniak, Mikołaj Krzysztof, Ley-López, Juan Manuel, Martins, João Paulo Rodrigues, Chmielarz, Paweł

“…KEY MESSAGE: We have examined thermal control for embryo growth and seed germination in European ash. Using historical data (span of 36 years) of embryo index…”

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Chlorophyll a fluorescence and growth of Neoregelia concentrica (Bromeliaceae) during acclimatization in response to light levels by Martins, João Paulo Rodrigues, Schimildt, Edilson Romais, Alexandre, Rodrigo Sobreira, Falqueto, Antelmo Ralph, Otoni, Wagner Campos

“…Tissue culturing is widely used for the clonal propagation of several plant species. However, high mortality rates may occur during the acclimatization phase…”

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Multiplication of Axillary Shoots of Adult Quercus robur L. Trees in RITA® Bioreactors by Chmielarz, Paweł, Sánchez, Conchi, Martins, João Paulo Rodrigues, Ley-López, Juan Manuel, Covelo, Purificación, Cernadas, María José, Aldrey, Anxela, Rico, Saleta, Vielba, Jesús María, Christie, Bruce, Vidal, Nieves

“…Adult trees of pedunculate oak (Quercus robur L.) are recalcitrant to vegetative propagation. In this study, we investigated the micropropagation of five oak…”

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