Recherche
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El virus rayado fino del maíz en Venezuela [Zea mays]
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1980-10)
Maize rayado fino virus (MRFV) was isolated in Venezuela from plants showing dwarfing and parallel leaf stripes along the veins. The virus particles are isometric with 33 um in diameter and became separated in two bands ...
La ultraestructura de la superficie foliar de cultivares de maíz infectados con el virus del rayado fino [Zea mays]
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1980-10)
The ultrastructural alterations induced by rayado fino virus in the foliar lamina of infected maize plants vary with plant genotype. The chlorotic spots or short stripes, typical of the macroscopic disease symptom, do not ...
Variaciones morfométricas y respuesta de nueve hospedantes diferenciales a tres poblaciones de Meloidogyne javanica de Costa Rica
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1980-07)
Three Meloidogyne javanica populations (MJ-1, MJ-2 and MJ-3) collected from Theobroma cacao, Nicotiana tabacum and Stachytarpheta jamaicense at different localities of Costa Rica, were characterized morphometrically and ...
Efecto inhibitorio de savias vegetales sobre el virus de mosaico del tabaco (VMT)
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1980-07)
The inhibitory effect of 28 plant saps over the infectivity of Tobacco Mosaic Virus was studied. The mechanical inoculation was done on Nicotiana glutinosa to obtain a cuantitative analysis with the local necrotic lesions ...