Bioherbicide
Mostrando 1-7 de 7 artigos, teses e dissertações.
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1. Optimization of solid-state fermentation for bioherbicide production by Phoma sp .
Abstract In this work the bioherbicide production from Phoma sp. by solid-state fermentation was optimized. Agroindustrial residues such as bagasse, soybean bran and corn steep liquor were used as substrate. The bioherbicide was extracted from the fermented solid and the supernatant was applied for the control of the target plant. The evaluated responses in
Braz. J. Chem. Eng.. Publicado em: 2017-04
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2. Selection, isolation, and identification of fungi for bioherbicide production
Abstract Production of a bioherbicide for biological control of weeds requires a series of steps, from selection of a suitable microbial strain to final formulation. Thus, this study aimed to select fungi for production of secondary metabolites with herbicidal activity using biological resources of the Brazilian Pampa biome. Phytopathogenic fungi were isolat
Braz. J. Microbiol.. Publicado em: 2017-03
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3. Allelopathic effects of Sonchus oleraceus L. on the germination and seedling growth of crop and weed species
We assessed the allelopathic effects of the aqueous extract of Sonchus oleraceus dry shoots on the germination and seedling growth of Trifolium alexandrinum, three weed species (Brassica nigra, Chenopodium murale and Melilotus indicus) and S. oleraceus itself. We assayed four different concentrations of the aqueous extract (w v-1): 1%, 2%, 3% and 4%. To dete
Acta Bot. Bras.. Publicado em: 2014-09
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4. Aplicação da espectrometria de massas na derreplicação de extratos brutos produzidos por actinobactérias isoladas da rizosfera do milho (Zea mays L.) / Mass spectrometry applied to the dereplication of crude extracts from rhizosphere actinomycetes
O objetivo deste trabalho é isolar e identificar os compostos que apresentem atividade fitotóxica presente nos extratos produzidos por actinobactérias isoladas da rizosfera do milho. Para isso foram realizados estudos de derreplicação, baseados nas informações estruturais obtidas por diversas técnicas analíticas. Em especial foi aplicada a espectrom
Publicado em: 2009
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5. Carbon Concentration and Carbon-to-Nitrogen Ratio Influence Submerged-Culture Conidiation by the Potential Bioherbicide Colletotrichum truncatum NRRL 13737
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6. Carbon Concentration and Carbon-to-Nitrogen Ratio Influence Submerged-Culture Conidiation by the Potential Bioherbicide Colletotrichum truncatum NRRL 13737
We assessed the influence of various carbon concentrations and carbon-to-nitrogen (C:N) ratios on Colletotrichum truncatum NRRL 13737 conidium formation in submerged cultures grown in a basal salts medium containing various amounts of glucose and Casamino Acids. Under the nutritional conditions tested, the highest conidium concentrations were produced in med
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7. Pyrrolnitrin Production by Biological Control Agent Pseudomonas cepacia B37w in Culture and in Colonized Wounds of Potatoes
Bacterial strain B37w (= NRRL B-14858), an isolate noteworthy because it inhibits the growth of the bioherbicide fungus Colletotrichum truncatum, was selected for further studies of bacterial antifungal properties. This isolate was identified as a Pseudomonas cepacia strain by performing carbohydrate utilization and fatty acid profile analyses, as well as ot