Výsledky vyhledávání - "Fotossistema"

Akademický článek

A ponta de pulverização e a mistura em tanque podem afetar o controle de plantas daninhas e a seletividade dos herbicidas para a cultura da cebola?

Autor: Lucas Boaretto Comachio, João Pedro Rech Rossi, Dionatan Alan Amler, Fabrício Fábio Amler, Naiara Guerra, Antonio Mendes de Oliveira Neto

Publikováno v: Revista de Ciências Agroveterinárias, Vol 23, Iss 3 (2024)

O objetivo do trabalho foi avaliar o controle de plantas daninhas em cebola, cultivar Juporanga, conduzida em sistema de transplante de mudas, em função da ponta de pulverização e mistura em tanque de herbicidas. O experimento foi conduzido em á

Externí odkaz: https://doaj.org/article/280dc20a5dff4eb0bfac22fc84f8971b

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O ácido salicílico alivia o estresse hídrico no aparato fotoquímico e qualidade das mudas de Schinus terebinthifolia

Autor: Cleberton C. Santos, Neder M. Lima, Luiz C. da S. Saracho, Silvana de P. Q. Scalon, Maria do C. Vieira

Publikováno v: Revista Brasileira de Engenharia Agrícola e Ambiental, Volume: 26, Issue: 10, Pages: 747-752, Published: 01 AUG 2022
Revista Brasileira de Engenharia Agrícola e Ambiental v.26 n.10 2022
Revista Brasileira de Engenharia Agrícola e Ambiental
Universidade Federal de Campina Grande (UFCG)
instacron:UFCG

Water deficit adversely affects photosynthetic pigment synthesis, photochemical processes, and seedling quality. Exogenous foliar application of salicylic acid (SA) is hypothesized to contribute to photochemical regulation and increase stress toleran

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e02184bb18147399bfde55669d753993
https://doi.org/10.1590/1807-1929/agriambi.v26n10p747-752

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CONTROL OF VOLUNTEER CORN AS A FUNCTION OF LIGHT RESTRICTION PERIODS AFTER DIQUAT APPLICATION

Autor: GUILHERME MENDES PIO DE OLIVEIRA, HALLEY CAIXETA OLIVEIRA, MARCELO AUGUSTO DE AGUIAR E SILVA, GILIARDI DALAZEN

Publikováno v: REVISTA CAATINGA; Vol. 35 No. 2 (2022); 299-307
Revista Caatinga; v. 35 n. 2 (2022); 299-307
Revista Caatinga
Universidade Federal Rural do Semi-Árido (UFERSA)
instacron:UFERSA
Revista Caatinga, Volume: 35, Issue: 2, Pages: 299-307, Published: 13 MAY 2022

The action of photosystem I (PSI) inhibiting herbicides depends on light to cause oxidative stress in plants. However, their translocation is inhibited due to their rapid action in the presence of light. The aim was to evaluate the efficacy of the he

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1a972bad8c57ba70e04450742afd9570
https://periodicos.ufersa.edu.br/caatinga/article/view/9623

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Physiological parameters of tomato plants subjected to salinity and treated with brassinosteroid

Autor: Sebastião de Oliveira Maia Júnior, Jailma Ribeiro de Andrade, Ronaldo do Nascimento, Robson Felipe de Lima, Elka Costa Santos Nascimento, Vilma Marques Ferreira

Publikováno v: Pesquisa Agropecuária Brasileira, Volume: 57, Article number: e01885, Published: 25 JUL 2022
Pesquisa Agropecuária Brasileira v.57 2022
Pesquisa Agropecuária Brasileira
Empresa Brasileira de Pesquisa Agropecuária (Embrapa)
instacron:EMBRAPA

The objective of this work was to evaluate the effects of brassinosteroid on chlorophyll a fluorescence parameters, the SPAD index, and leaf succulence in young tomato (Lycopersicon esculentum) plants under salt stress. The experimental design was a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1c2e590d4dc8bb23020a9b9a40743976
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2022000102301&lng=en&tlng=en

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Heat stress in sugarcane: physiological changes and gene expression

Autor: Airan Miguel dos Santos Panta, Juliana Lopes Souza, Paulo Roberto Gagliardi, Luiz Fernando Ganassali Oliveira Junior, Pryanka Thuyra Nascimento Fontes, Jailson Lara Fagundes, Renata Silva-Mann

Publikováno v: Research, Society and Development; Vol. 11 No. 3; e15511326260
Research, Society and Development; Vol. 11 Núm. 3; e15511326260
Research, Society and Development; v. 11 n. 3; e15511326260
Research, Society and Development
Universidade Federal de Itajubá (UNIFEI)
instacron:UNIFEI

Facing climate change is necessary to know the effects of temperature on plant development and identify which physiological factors are related to the reduction and/or increase in photosynthesis. This identification can be made in the first stages of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::105e97650c1277a704030cafa4b7596f
https://rsdjournal.org/index.php/rsd/article/view/26260

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Akademický článek

Salt stress change chlorophyll fluorescence in mango

Autor: Cicero Cartaxo de Lucena, Dalmo Lopes de Siqueira, Hermínia Emilia Prieto Martinez, Paulo Roberto Cecon

Publikováno v: Revista Brasileira de Fruticultura, Vol 34, Iss 4, Pp 1245-1255 (2012)

This study evaluated the tolerance of mango cultivars 'Haden', 'Palmer', 'Tommy Atkins' and 'Uba' grafted on rootstock 'Imbú' to salt stress using chlorophyll fluorescence. Plants were grown in modified Hoagland solution containing 0, 15, 30, and 45

Externí odkaz: https://doaj.org/article/0d777e9d5c524d328cc158859963ae52

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Akademický článek

Growth, photosynthetic activity, and potassium and sodium concentration in rice plants under salt stress=Crescimento, atividade fotossintética, concentração de K+ e Na+ em plantas de arroz em condições de estresse salino

Autor: Braulio Edgar Herrera Cabrera, David Espinosa-Victoria, Fernando Carlos Gómez Merino, Camila Caldana, Libia Iris Trejo-Téllez, Soledad García Morales

Publikováno v: Acta Scientiarum: Agronomy, Vol 34, Iss 3, Pp 317-324 (2012)

Salt stress affects crop growth and productivity. In this study, we determined the growth, yield of photosystem II (PSII), and K+ and Na+ concentration in root, stem, old leaves, and young leaves of two Mexican varieties of rice, Tres Ríos and Cotax

Externí odkaz: https://doaj.org/article/25ce6a6971474f709125976554fdac2b

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Akademický článek

Efeito do hexazinone isolado e em mistura na eficiência fotossintética de Panicum maximum Effect of hexazinone applied alone and in combination on the photosynthetic efficiency of Panicum maximum

Autor: M. Girotto, R. Araldi, E.D. Velini, M.L.B. Trindade, C.A Carbonari

Publikováno v: Planta Daninha, Vol 30, Iss 2, Pp 341-347 (2012)

Esta pesquisa teve como objetivo avaliar a velocidade e intensidade de ação do hexazinone isolado e em mistura com outros inibidores do fotossistema II, através da eficiência fotossintética de Panicum maximum em pós-emergência. O ensaio foi co

Externí odkaz: https://doaj.org/article/0cb7d85f660044849f17434ddc98d338

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Akademický článek

Physiological responses of Porphyra haitanesis to different copper and zinc concentrations

Autor: Ying Xia Li, Suo Zhou, Feng Juan Zhao, Yan Liu, Pan Pan Fan, Guang Ce Wang

Publikováno v: Brazilian Journal of Oceanography, Vol 58, Iss 4, Pp 261-267 (2010)

In the present study, several physiological responses of the red marine alga Porphyra haitanesis to elevated concentrations of copper (up to 50 μM) and zinc (up to 100 μM) were investigated. Our results showed that the effects of Cu2+ and Zn2+ on g

Externí odkaz: https://doaj.org/article/9e3769e339d0470cb6fc50f6b84713b9

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