Results 31 to 40 of about 7,269 (203)

Tetranychus marianae McGregor, 1950 (Acari: Tetranychidae) in Piper (Piperaceae) species in the state of Pará, Brazil

open access: yesEntomological Communications, 2021
This study reports the occurrence of the phytophagous mite Tetranychus marianae McGregor, 1950 (Tetranychidae), in species of the genus Piper (P. hispidum Sw., P. marginatum Jacq., P. montealegreanum Yunk., P. peltatum L., P.
Aloyséia C. S. Noronha   +5 more
doaj   +1 more source

Population Fluctuation and Influence of Different Management Practices Against Bemisia tabaci (Genn.) on Cucumber Plant Under Greenhouse Condition. [PDF]

open access: yesEgyptian Academic Journal of Biological Sciences. F, Toxicology and Pest Control, 2020
The population fluctuation of Bemisia tabaci (Genn.) studied on winter plantation of cucumber plant Cucumis sativus L. of 2018/2019& 2019/2020 seasons under greenhouse condition at Giza governorate, Egypt and, the insecticidal activities of two heavy ...
Fatma, S. Ismail   +4 more
doaj   +1 more source

Potential use of Piper nigrum ethanol extract against pyrethroid-resistant Aedes aegypti larvae Utilização em potencial do extrato alcoólico de Piper nigrum como larvicida em Aedes aegypti resistente a piretróides

open access: yesRevista da Sociedade Brasileira de Medicina Tropical, 2007
Fractionation of Piper nigrum ethanol extract, biomonitored by assays on pyrethroid-resistant Aedes aegypti larvae yielded isolation of the larvicidal amides piperolein-A and piperine. Comparing LC50 values, the ethanol extract (0.
Naomi Kato Simas   +4 more
doaj   +1 more source

Alkaloids from Piper nigrum and Piper betle [PDF]

open access: yes, 2009
An investigation, on the roots of Piper nigrum and the aerial parts of Piper betle, has yielded several alkaloids. The dried root sample of Piper nigrum was extracted using various solvents in increasing polarity. The dried aerial part of Piper betle was
Rahmani, Mawardi   +3 more
core  

A update of piper nigrum genome files

open access: yes, 2019
A update of piper nigrum genome ...
Zhongping Xu (7347167)
core   +1 more source

Extração e microencapsulamento de extratos de interesse biológico provenientes de pimenta-do-reino (Piper nigrum L.) e de pimenta rosa (Schinus terebinthifolius R.) [PDF]

open access: yes, 2015
Tese (doutorado) - Universidade Federal de Santa Catarina, Centro Tecnológico, Programa de Pós-Graduação em Engenharia de Alimentos, Florianópolis, 2015.O comércio de especiarias está em constante crescimento, e as pimentas figuram entre as mais ...
Andrade, Kátia Suzana
core  

ANTIMICROBIAL INVESTIGATION OF PIPER NIGRUM L. AGAINST SALMONELLA TYPHI

open access: yes, 2013
Aim of this study was to evaluate the antibacterial activity of different extracts of Piper nigrum L. against Salmonella typhi. Widal (serological) test positive patients were selected. Salmonella strains were isolated from blood of infected persons.
Deshwal, Vishal Kumar
core   +1 more source

Evaluation of Analgesic Properties of Piper Nigrum Essential Oil: a Randomized, Double-blind, Placebo-controlled Study

open access: yesWorld Journal of Traditional Chinese Medicine, 2016
Objective: Essential oils are complex mixtures of chemical compounds, extracted from a wide range of plants. The volatile fraction of essential oils is responsible for their characteristic aroma and presents diverse biological properties that have been ...
R. Costa, J. Machado, C. Abreu
doaj   +1 more source

Polinização manual entre Piper nigrum e Piper tuberculatum. [PDF]

open access: yes, 2017
A pimenteira-do-reino (Piper nigrum L.) é uma planta originária da Índia, pertencente à família Piperaceae, sendo a espécie Piper nigrum a mais importante, sendo altamente valorizada na culinária internacional.
POLTRONIERI, M. C.   +2 more
core  

Comparative Transcriptome and Metabolome Analysis of Resistant and Susceptible Piper Species Upon Infection by the Oomycete Phytophthora Capsici

open access: yesFrontiers in Plant Science, 2022
Phytophthora capsici is a destructive oomycete pathogen that causes devastating disease in black pepper, resulting in a significant decline in yield and economic losses. Piper nigrum (black pepper) is documented as susceptible to P.
Rui Fan   +10 more
doaj   +1 more source

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