Results 31 to 40 of about 272 (148)
Schistosomiasis control using piplartine against Biomphalaria glabrata at different developmental stages. [PDF]
BACKGROUND: Schistosomiasis is one of the most significant diseases in tropical countries and affects almost 200 million people worldwide. The application of molluscicides to eliminate the parasite's intermediate host, Biomphalaria glabrata, from ...
Ludmila Nakamura Rapado +11 more
doaj +1 more source
The phytopathogen Fusarium oxysporum produces considerable losses in economically important crops, making alternative control measures urgently required.
Diego Cárdenas-Laverde +2 more
doaj +1 more source
Os óleos essenciais dos frutos e talos finos de Piper tuberculatum e das raízes de P. hispidum, coletados no estado de Rondônia, foram obtidos por hidrodestilação e analisados por GC e GC-MS. Foram identificados como constituintes majoritários, nos óleos
Valdir Alves Facundo +5 more
doaj +1 more source
Characterization of Pseudomonas bacteria of Piper tuberculatum regarding the production of potentially bio-stimulating compounds for plant growth [PDF]
Despite advances in the identification and characterization of endophytic bacteria in various plant species worldwide, little is known about such microorganisms in plants from the Amazon region.
Danyllo Amaral de OLIVEIRA +7 more
doaj +1 more source
O Estado do Pará é o principal produtor brasileiro de pimenta-do-reino (Piper nigrum Link), entretanto a sua produção tem sido bastante afetada pela doença conhecida como fusariose. O Fusarium solani f. sp.
Redinaldo dos Santos Silva +1 more
doaj +1 more source
Rosetas e concrescências cristalinas silicificadas em Piper (Piperaceae): registros inéditos de macropadrões [PDF]
Piper L. (Piperaceae) é monofilético, com espécies de difícil distinção taxonômica, sendo necessários ferramentas que auxiliem a identificação interespecífica.
Rolf Junior Ferreira Silva +2 more
doaj +2 more sources
Screening of plants found in Amazonas State for lethality towards brine shrimp [PDF]
226 methanol and water extracts representing 74 mainly native plant species found in Amazonas State, Brazil, were tested at a standard concentration of 500 μg/mL for lethality towards larvae of the brine shrimp species Artemia franciscana.
Etienne Louis Jacques QUIGNARD +20 more
doaj +1 more source
O objetivo desta pesquisa foi avaliar o potencial inseticida de Piper nigrum L. (pimenta do reino), Ruta graveolens L. (arruda), Laurus nobilis L. (louro), Syzygium aromaticum (L.) Merr. & L.M.Perry (cravo da índia), Chenopodium ambrosioides L. (mastruz),
J.E. Girão Filho +3 more
doaj +1 more source
OVICIDAL EFFECT OF PIPERACEAE SPECIES ON Biomphalaria glabrata, Schistosoma mansoni HOST
SUMMARY Schistosomiasis is a neglected disease with public health importance in tropical and subtropical regions. An alternative to the disease control is the use of molluscicides to eliminate or reduce the intermediate host snail population causing a ...
Ludmila Nakamura Rapado +3 more
doaj +1 more source
Resistência de piperáceas nativas da Amazônia á infecção causada por Nectria haematococca f. sp. piperis [PDF]
A reação de resistência das espécies Piper aduncum, P. arboreum, P. carniconnectivum, P. colubrinum, P. hispidinervium, P. hispidum, P. hostmannianum, P. tuberculatum, P. nigrum e Piper sp.
Fernando Carneiro de ALBUQUERQUE +3 more
doaj +1 more source

