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Mostrando ítems 187-206 de 392
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First report of cowpea mild mottle virus in chia (Salvia hispanica)
(2016)Chia (Salvia hispanica), a herbaceous plant of Lamiaceae family, has gained popularity due to its high concentrations of health-beneficial Omega-3 fatty acids. Plants showing different virus-like symptoms were observed ... -
First report of Cymbidium mosaic virus and Odontoglossum ring spot virus in Argentina
(Springer, 2016-09)Oncidium Sharry Baby orchids from nursery greenhouses in Buenos Aires, Argentina with viral symptoms were processed for transmission electron microscope observations. Two types of viral particles, morphologically different, ... -
First report of grapevine Pinot gris virus infecting grapevine in Argentina
(Springer, 2020-07)Fourteen viruses have been associated to grapevine in Argentina (Debat et al. 2020; Luna et al. 2019). Grapevine Pinot gris virus (family Betaflexiviridae; genus Trichovirus, GPGV) was originally described in Italy and ... -
First report of grapevine virus E infecting grapevine in Argentina
(Springer, 2019-03-12)To investigate the occurrence of GVE in Argentina, a survey was conducted in grapevines from three regions (Mendoza’s North Oasis, East Zone and Uco Valley) of Mendoza province, Argentina, during the 2017/2018 season. ... -
First report of johnsongrass mosaic virus in Argentina
(2019-11-21)Potyviruses are responsible for important economic losses in maize crop. This work reports the detection of johnsongrass mosaic virus, a potyvirus affecting maize in Argentina. Electron microscopy studies, mechanical ... -
First report of Maize striatemosaic virus, a mastrevirus infecting Zea mays in Argentina
(Wiley, 2023-06-23)During 2021, sweet corn plants cultivated for human consumption in a 400-ha area in Santa Fe province, Argentina, showed severe virus-like symptoms, including marked dwarfism, plant deformation, nerval or internerval vein ... -
First report of Papaya ringspot virus infecting Carica papaya in Argentina
(Dipartimento di Scienze del Suolo, della Pianta e degli Alimenti, Università di Bari, 2016-06-20)Papaya plants (Carica papaya L.) with severe leaf mosaic and deformation symptoms were observed and collected in the Formosa, Corrientes and Misiones provinces of northern Argentina. These symptoms were similar to those ... -
First report of papaya ringspot virus w infecting momordica charantia in Cuba
(Dipartimento di Scienze del Suolo, della Pianta e degli Alimenti, Università di Bari, 2015-01-16)During a survey conducted in July 2010, severe mosaic and deformations were observed on the leaves of cerasee (Momordica charantia) in Villa Clara, Cuba. The symptoms resembled those induced by Papaya ringspot virus (PRSV) ... -
First report of raspberry bushy dwarf virus infecting raspberry in Argentina
(Dipartimento di Scienze del Suolo, della Pianta e degli Alimenti, Università di Bari, 2017-11)In 2014-2015, raspberry (Rubus idaeus) cv. Autum bliss plants with dwarfism and foliar chlorosis were observed in commercial fields in parallel 42° in the Patagonia region of Argentina. Symptoms were similar to those ... -
First report of rice stripe necrosis virus in Argentina
(Elsevier, 2018-12)Since 2008/2009, we have seen symptoms of viral infection in rice plants from crop regions in Argentina. The main objective of this work was to identify the causal agent of the rice plants' crinkling. We therefore analyzed ... -
First report of Rice stripe necrosis virus infecting rice in Sierra Leone
(Wiley, 2020-01-29)While Rice stripe necrosis virus (RSNV, Benyvirus, Benyviridae) has been reported on rice plants on two continents, little is known about the diversity of this multipartite virus which is transmitted by the plasmodiophorid ... -
First report of Strawberry crinkle virus in Argentina
(2014-08-07)Strawberry crinkle virus (SCV) is one of the most frequent viruses affecting strawberry worldwide, and responsible for important reductions in yield and fruit quality. Stunted dwarfed plants with distorted leaves were found ... -
First Report of Tobacco Streak Virus Infecting Sunflower in Argentina
(American Phytopathological Society, 2019-11-21)Sunflower (Helianthus annuus) is one of the main oleaginous crops in the world, and Argentina is positioned among the top sunflower seed producers worldwide (FAO 2019). During the 2018 to 2019 crop season, sunflower plants ... -
First Report of White Thread Blight Caused by Ceratobasidium niltonsouzanum on Yerba Mate in Argentina
(2019-12-18)Yerba mate (Ilex paraguariensis A.St.-Hil.) is a native species of the subtropical and temperate regions of South America. In the Misiones province, in northeastern Argentina, yerba mate is an important agricultural crop ... -
First report of Xanthomonas prunicola causing bacterial leaf streaks on wheat in Argentina
(American Phytopathological Society, 2022-06-13)Since 2018, bacterial-like symptoms, such as leaf streaks were observed on wheat plants (Triticum aestivum L.) in Córdoba province in Argentina, with 1 to 5% of disease incidence. Samples of wheat stem and spike collected ... -
First report of ‘Candidatus Phytoplasma pyri’-related strain causing pear decline in Argentina
(Elsevier, 2019-07)Pear decline (PD) is an important disease affecting pear production worldwide and “Candidatus Phytoplasma pyri” (subgroup 16SrX-C) is the etiological agent of this disease. In Argentina, typical symptomatology of PD ... -
FISH-mapping of the 5S rDNA locus in chili peppers (Capsicum-Solanaceae)
(2016)We present here the physical mapping of the 5S rDNA locus in six wild and fi ve cultivated taxa of Capsicum by means of a genus-specifi c FISH probe. In all taxa, a single 5S locus per haploid genome that persistently mapped ... -
Fósforo del suelo : calidad del rastrojo y descomposición microbiana bajo diferentes contenidos hídricos = Soil phosphorus: stubble quality and microbial decomposition under contrasting water contents
(Asociación Argentina de la Ciencia del Suelo, 2017)Los residuos de los cultivos y rastrojos son un importante recurso para los agroecosistemas. Sin embargo, aún hay escasa información sobre procesos de liberación e inmovilización microbiana de nutrientes en relación a la ... -
Fungal screening and aflatoxin production by Aspergillus section Flavi isolated from pre-harvest maize ears grown in two Argentine regions
(Elsevier, 2017-02)Aflatoxin contamination in maize kernels grown in central Argentina has increased since 2008. Pre-harvest maize ear samples were collected during two growing seasons to determine prevalent fungal genera as well as aflatoxin ...