Phytoplasm
Mostrando 1-3 de 3 artigos, teses e dissertações.
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1. Aphelenchoides besseyi Christie (Nematoda: Aphelenchoididae), agente causal del amachamiento del frijol común
Identification of the causal agent of the disease "amachamiento" of common bean was carried out using four tests: analysis of double strand RNA (dsRNA) of viral origin, DAS-ELISA technique, applying Koch's postulates and the pathogenicity test. The analysis to detect dsRNA brought about two bands of approximately 1100 and 3200 bp, a similar pattern of bands
Trop. plant pathol.. Publicado em: 28/05/2013
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2. Detecção e identificação molecular de um fitoplasma do grupo 16SrIII em plantas de maçã com sintomas de lenho mole. / Detection and molecular identification of a phytoplasma of the group 16sriii in apple plants with rubbery wood symptoms.
The proliferation and rubbery wood diseases which are associated with phytoplasma are some of the diseases that occur in apple trees (Malus spp). In the case of rubbery wood disease, phytoplasm is not totally accepted as its causal agent. However, several researches by using electron microscopy and tissue grafting, have been able to show the phytoplasma asso
Publicado em: 2004
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3. Molecular identification of maize bushy stunt phytoplasm strains collected in São Paulo State. / Identificação molecular de isolados do fitoplasma do enfezamento vermelho do milho coletados no Estado de São Paulo.
Since the middle 80s, an increase in year round cropping of maize resulted in a spread of secondary diseases in the crops major production areas. In this context, maize busy stunt, firstly appointed in Brazil in 1970, is occurring more frequently, often with total damage of production. Infected plants show a complex symptomatology, easily confounded with v
Publicado em: 2002