Buscar
Mostrando ítems 1-10 de 440
Aphid vectors of Papaya ringspot virus and their weed hosts in orchards in the major papaya producing and exporting region of Brazil
(Elsevier B.V., 2016-12-01)
Papaya ringspot, one of the most important diseases of papaya, is caused by Papaya ringspot virus type P (PRSV-P), which is transmitted by various aphid species. Objectives of this research were to identify the aphid species ...
Evaluation of weeds as possible hosts of the potyviruses associated with tree tomato (solanum betaceum cav.) viroses
(Universidad Nacional de Colombia, Facultad de Agronomía, Centro Editorial, 2012)
To determine possible weed hosts of potyviruses associated with the disease known as “tree tomato virus disease” in Antioquia department (Colombia), a sampling was conducted to identify weed species commonly found in ...
Fusarium species richness in mono- and dicotyledonous weeds and their ability to infect barley and wheat
(Springer Heidelberg, 2021-08)
Fusarium spp. cause diseases and yield and quality losses in cereal crops. They are known to occur in alternative hosts such as weeds. The aims of the present study were to isolate Fusarium spp. from stems, leaves, and ...
Evaluation of Datura stramonium and Nicandra physaloides as reservoirs of tomato severe rugose virus and whiteflies
(2020-04-01)
Tomato severe rugose virus (ToSRV) is the most important begomovirus transmitted and spread by the whitefly Bemisia tabaci in tomato crops in Brazil. Cultural practices are being adopted, along with insecticides, for ...
Gramineous and non-gramineous weed species as alternative hosts of Fusarium graminearum, causal agent of Fusarium head blight of wheat, in Argentina
(Elsevier, 2014-07)
Weeds and wild plants around and within crops could serve as alternative hosts of fungal pathogens. In this work we describe the isolation of Fusarium graminearum, the main causal agent of Fusarium head blight (FHB) in ...
Nematóides associados a plantas daninhas na região de Jaboticabal - SP.: primeiro relato
(Sociedade Brasileira da Ciência das Plantas Daninhas, 1978-01-01)
Realizou-se, na região de Jaboticabal (S.P.), um levantamento dos principais gêneros e espécies de nematóides fitoparasitos encontrados em associação com plantas daninhas de ocorrência genera lizada nas principais culturas ...