[PDF] Top 20 Pathogenicity and aggressiveness of Macrophomina phaseolina isolates to castor (Ricinus communis)

... by Macrophomina phaseolina, is one of the most important diseases of castor (Ricinus communis) in the growing regions of Northeastern Brazil, particularly in the State of ... See full document

... soybean and sunflower have shown that S. sclerotiorum isolates vary in aggressiveness (6, 12, 13, ...20°C and 25°C but no lesion when incubated at 30°C or 5°C with a single ...regardless ... See full document

... subjected to tests of germination in a paper roll, seedling emergence in sand, and health tests (4; ...fungal isolates COUFPI29 (Colletotrichum truncatum) and COUFPI37 ... See full document

... Macrophomina phaseolina is an important soil pathogen, associated with “damping-off” and root and stem rot in more than 700 plant ...use of biochar (BCH) of sewage sludge applied ... See full document

... gloeosporioides and Colletotrichum acutatum), is its pathogenicity towards developing coffee berries and seedling hypocotyls (Waller et ...kahawae isolates are pathogenic to green ... See full document

... phaseoli to penetrate host roots and subsequently act as an inhibitor of ...method of colonizing plants, by forming mycelial tufts that produce enzymes and toxins used for maceration ... See full document

... by Macrophomina phaseolina, is an important disease of lima bean (Phaseolus lunatus ...Northeast of Brazil. Considering that there are no reports of resistance to this disease in ... See full document

... transferred to potato-dextrose broth for 14 days at 26ºC when mycelium and microsclerotia were collected, washed in distilled water and dried at room ...ground and stored at ...g of ... See full document

... Sampling of agricultural soils from the Mexican northeastern region was performed to detect Trichoderma ...it, and assess its potential use as a biologic control agent against Macrophomina ... See full document

... quantity of inoculum to be ...faster to yield results and less aggressive, causing less damage to the plant tissue; it was also operationally easier compared to the other tested ... See full document

... contributes to the colonization of tissues and symptoms onset, with the optimum temperature generally occurring between 22 ºC and 28 ºC (Dias et ...period of the experiment, favoring ... See full document

... contrast to the first study, the comparison of the genetic similarity of isolates from different hosts used or not in rotation with soybeans exhibited lower similarity values showing a larger ... See full document

... disease of cowpea ...efficiency to be transmited by seed. Beside the transport of infected seed may be increase risk to disseminate fungi isolates for free-pathogen-areas and/or ... See full document

... application of BCH to soil have shown changes in the occurrence of microorganisms and the consequent effects on plant ...population of Trichoderma spp. in relation to the control ... See full document

... M. phaseolina presente no solo natural (SN), variando a percentagem de sobrevivência das plantas de acordo com o período de infestação do ...M. phaseolina, apresentaram baixa germinação e sintomas de ... See full document

... Embora o teste “F” não tenha revelado diferenças entre temperaturas e na interação dos fatores estudados (umidade e temperatura) (Tabela 2), é interessante observar que o desdobramento do fator temperatura em relação às ... See full document

... among isolates and experiments (Table 2, Figure 1). Of special relevance was that the mean aggressiveness of Group I isolates was higher in the first experiment than in the ... See full document

... Outro destaque é o denominado “colapso das ramas”, que é decorrente do desequilíbrio hídrico entre o sistema radicular e a parte aérea da planta, principalmente no estádio próximo à colheita, devido ao apodrecimento do ... See full document

... de Macrophomina phaseolina em solo submetido a diferentes coberturas, conduziu-se dois experimentos em casa de vegetação, no delineamento inteiramente casualizado, em esquema fatorial 5 x 2, com cinco ... See full document

... M. phaseolina, indicou o elevado potencial, acima de 60%, do referido óleo em impedir que o fungo se desenvolvesse sob condições ...M. phaseolina (DAWAR et ... See full document