Results 1 to 10 of about 163 (119)

Indirect somatic embryogenesis of Piper hispidinervum L. and evaluation of the regenerated plants by flow cytometry [PDF]

Journal of Genetic Engineering and Biotechnology, 2022
Background Piper hispidinervum is a species native from the Amazon region with great economic potential, given its scientifically proven insecticidal properties.
Jonny Everson Scherwinski-Pereira, Inaê Silva   +1 more
exaly   +6 more sources

Toxicity of Piper hispidinervum Essential Oil to Callosobruchus maculatus and Cowpea Bean Quality [PDF]

Plants
Essential oils and their major compounds have been studied to protect stored grains, especially for the control of insects. In this context, this research aimed to investigate the fumigation and contact toxicities of the essential oil of Piper ...
Maria Suely Siqueira Ferraz, Lêda Rita D’Antonino Faroni, Adalberto Hipólito de Sousa, Fernanda Fernandes Heleno, Marcus Vinicius de Assis Silva, Ernandes Rodrigues de Alencar   +5 more
doaj   +4 more sources

In vitro conservation of Piper aduncum and Piper hispidinervum under slow-growth conditions [PDF]

Pesquisa Agropecuaria Brasileira, 2011
The objective of this work was to evaluate in vitro storage of Piper aduncum and P. hispidinervum under slow-growth conditions. Shoots were stored at low temperatures (10, 20 and 25°C), and the culture medium was supplemented with osmotic agents (sucrose
Jonny Everson Scherwinski-Pereira
exaly   +5 more sources

Estrutura genética e sistema de acasalamento de Piper hispidinervum [PDF]

Pesquisa Agropecuaria Brasileira, 2004
A pimenta-longa (Piper hispidinervum C. DC.) arbusto encontrado em áreas antropizadas no Estado do Acre, possui expressiva importância econômica decorrente da presença de safrol em seu óleo essencial.
Paulo Yoshio Kageyama, Lucia Helena de Oliveira Wadt   +1 more
exaly   +6 more sources

Toxicity and Sublethal Effects of Piper hispidinervum Essential Oil on Behavioral and Physiological Responses of Sitophilus zeamais Populations [PDF]

Molecules
This study aimed to evaluate the toxicity of Piper hispidinervum essential oil (PHEO) against 11 Brazilian populations of Sitophilus zeamais (Coleoptera: Curculionidae).
Lucas M. Lopes, Adalberto H. de Sousa, Lêda R. A. Faroni, Marcus V. de A. Silva, Maria S. S. Ferraz, Vanderley B. dos Santos   +5 more
doaj   +4 more sources

Development and Population Growth Rates of Sitophilus zeamais (Coleoptera: Curculionidae) Exposed to a Sublethal Concentration of Essential Oil of Piper hispidinervum [PDF]

Insects
Essential oils have emerged as promising alternatives for pest insect control. However, sublethal effects on insect reproduction and development are rarely explored, despite their relevance to integrated pest management (IPM).
Lucas Martins Lopes, Lêda Rita D’Antonino Faroni, Gutierres Nelson Silva, Douglas Rafael e Silva Barbosa, Marcela Silva Carvalho, Herus Pablo Firmino Martins, Thaís Rodrigues dos Santos, Igor da Silva Dias, Adalberto Hipólito de Sousa   +8 more
doaj   +4 more sources

Morphological and phytochemical characterization of Piper hispidinervum DC. and Piper aduncum L. populations in the state of Acre [PDF]

Revista Ceres, 2015
Because of the increasing demand of the industry for the production of essential oils, studies highlight the genetic variability of Piper hispidinervum and P.
Jacson Rondinelli da Silva Negreiros, Daniela Popim Miqueloni   +1 more
doaj   +3 more sources

Efeito do óleo essencial de pimenta longa (Piper hispidinervum C. DC) e do emulsificante Tween® 80 sobre o crescimento micelial de Alternaria alternata (Fungi: Hyphomycetes) The effect of Long-pepper essential oil (Piper hispidinervum C. DC.) and of Tween®; 80 emulsifier on the mycelial growth of Alternaria alternate (Fungi: Hyphomycetes) [PDF]

Acta Amazonica, 2008
Este trabalho objetivou avaliar o efeito do óleo essencial de folhas de pimenta longa (Piper hispidinervum C. DC), sobre o crescimento micelial de Alternaria alternata e a análise da influência da concentração do emulsificante Tween® 80 no controle deste
Fabiane Reis Nascimento, Maria Graças Cardoso, Paulo Estevão Souza, Rafaela Karin Lima, Ana Paula Soares Pinto Salgado, Luiz Gustavo Lima Guimarães   +5 more
doaj   +9 more sources

Citogenética de Piper hispidinervum e Piper aduncum Cytogenetics of Piper hispidinervum and Piper aduncum

Pesquisa Agropecuária Brasileira, 2007
O objetivo deste trabalho foi detectar diferenças entre duas espécies de pimenta-longa por meio de análise de cariótipos. Foram analisados cinco acessos de Piper hispidinervum (Piperaceae) C. DC. e Piper aduncum L.
Juliane Dornellas Nunes, Giovana Augusta Torres, Lisete Chamma Davide, Caio Césio Salgado   +3 more
doaj   +2 more sources

Toxicidade de óleos essenciais de Piper aduncum e Piper hispidinervum em Sitophilus zeamais Toxicity of essential oils of Piper aduncum and Piper hispidinervum against Sitophilus zeamais

Pesquisa Agropecuária Brasileira, 2006
Óleos essenciais de Piper aduncum L. e Piper hispidinervum C.DC. (Piperaceae) foram avaliados quanto ao efeito inseticida em Sitophilus zeamais Motsch. por ação de contato, fumigação e tópica.
Joelma Lima Vidal Estrela, Murilo Fazolin, Valdomiro Catani, Marcio Rodrigues Alécio, Marilene Santos de Lima   +4 more
doaj   +2 more sources