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Characterization of the brown leaf spots pathosystem in Brazilian pecan orchards: pathogen morphology and molecular identification
TLDR
Different approaches were employed to characterize the pathogen morphology and pathogenicity and to molecularly identify the organism causing brown leaf spots in 10 different orchards in southern Brazil and a phylogenetic analysis based on the ITS and the LSU gene sequences confirmed Ragnhildiana diffusa as the causal pathogen of the disease.
Pathogenicity and susceptibility/resistance reaction of feijoa (Feijoa sellowiana) cultivars to anthracnose
The objective of this study was to determine the pathogenicity of Colletotrichum theobromicola, C. siamense and C. fructicola, C. nympahaeae and C. pseudoacutatum to feijoa, as well as to study the
MORPHOLOGICAL AND MOLECULAR CHARACTERIZATION OF FUSARIUM SPP. PATHOGENIC TO ILEX PARAGUARIENSIS
The cultivation of yerba-mate (Ilex paraguariensis) has been intensified in the State of Rio Grande do Sul, as result of the valuation of the price paid to the producer. However, studies related to
Occurrence of Meloidogyne javanica as a Pathogen of Cockscomb (Celosia cristata) in Brazil
TLDR
Identification of nematode species identity and sequence homologies were determined by comparing sequences of polymerase chain reaction (PCR) amplicons of D2 to D3 of 28S and ITS1-5.8S-ITS2 rRNA region that were noted to be 516 bp (GenBank MK072827) and 554 bP (MK072828) in length, respectively.