The objective of this research was to develop fertility life tables in order to estimate the population parameters of black aphid (Aphis craccivora Koch) in cowpea (Vigna unguiculata) varieties, aiming to propose a risk scale for its use. The experiment consisted of six treatments and six replicates (fiv...
Abstract Introduction Streptococcus salivarius is a dominant oral species and the best suitable candidate for probiotic of the oral cavity. Since Streptococcus salivarius is able to produce bacteriocins against Streptococcus pyogenes interest has been focused on the use of it as a probiotic to avoid sor...
In Brazil, there are few records of insects associated with the cultivation of lima beans; among them, there is the black aphid Aphis craccivora Koch, 1854. The objective of this study was to evaluate the effects of silicon application on the resistance induction of lima bean plants, Phaseolus lunatus, t...
Abstract A total of 276 endophytic bacteria were isolated from the root nodules of soybean (Glycine max L.) grown in 14 sites in Henan Province, China. The inhibitory activity of these bacteria against pathogenic fungus Phytophthora sojae 01 was screened in vitro. Six strains with more than 63% inhibitor...
Antibiosis,
Bacterias/clasificación,
Bacterias/aislamiento & purificación,
Bacterias/metabolismo,
China,
Análisis por Conglomerados,
ADN Ribosómico/química,
ADN Ribosómico/genética,
Endófitos/clasificación,
Endófitos/aislamiento & purificación,
Endófitos/metabolismo,
Filogenia,
Phytophthora/citología,
Phytophthora/efectos de los fármacos,
Phytophthora/crecimiento & desarrollo,
Reguladores del Crecimiento de las Plantas/metabolismo,
ARN Ribosómico 16S/genética,
Nódulos de las Raíces de las Plantas/microbiología,
Análisis de Secuencia de ADN,
Glycine max/crecimiento & desarrollo,
Glycine max/microbiología
Abstract In this study for the first-time microbial communities in the caves located in the mountain range of Hindu Kush were evaluated. The samples were analyzed using culture-independent (16S rRNA gene amplicon sequencing) and culture-dependent methods. The amplicon sequencing results revealed a broad ...
Antibiosis,
Bacterias/clasificación,
Bacterias/genética,
Bacterias/crecimiento & desarrollo,
Bacterias/aislamiento & purificación,
Biota,
Análisis por Conglomerados,
ADN de Archaea/química,
ADN de Archaea/genética,
ADN Bacteriano/química,
ADN Bacteriano/genética,
ADN Ribosómico/química,
ADN Ribosómico/genética,
Microbiología Ambiental,
Euryarchaeota/clasificación,
Euryarchaeota/genética,
Euryarchaeota/crecimiento & desarrollo,
Euryarchaeota/aislamiento & purificación,
Metagenómica,
Pakistán,
Filogenia,
ARN Ribosómico 16S/genética,
Análisis de Secuencia de ADN
ABSTRACT Salinity and alkalinity are major abiotic stresses that limit growth and development of poplar. We investigated biocontrol potential of saline- and alkaline-tolerant mutants of Trichoderma asperellum to mediate the effects of salinity or alkalinity stresses on Populus davidiana × P. alba var. p...
Álcalis/metabolismo,
Alternaria/fisiología,
Antibiosis,
Enfermedades de las Plantas/microbiología,
Enfermedades de las Plantas/prevención & control,
Populus/crecimiento & desarrollo,
Populus/microbiología,
Plantones/crecimiento & desarrollo,
Plantones/microbiología,
Cloruro de Sodio/metabolismo,
Estrés Fisiológico,
Trichoderma/genética,
Trichoderma/fisiología
ABSTRACT Tomato is one of the most important vegetables in the world. Decay after harvest is a major issue in the development of tomato industry. Currently, the most effective method for controlling decay after harvest is storage of tomato at low temperature combined with usage of chemical bactericide; h...
Alternaria/crecimiento & desarrollo,
Alternaria/fisiología,
Antibiosis,
Botrytis/crecimiento & desarrollo,
Botrytis/fisiología,
Enterobacter/clasificación,
Enterobacter/genética,
Enterobacter/aislamiento & purificación,
Enterobacter/fisiología,
Frutas/microbiología,
Fusarium/crecimiento & desarrollo,
Fusarium/fisiología,
Solanum lycopersicum/microbiología,
Enfermedades de las Plantas/microbiología,
Enfermedades de las Plantas/prevención & control
Introdução: a Organização Mundial da Saúde (OMS) tem incentivado o estudo de plantas tradicionalmente conhecidas como medicinais, tendo como objetivo avaliar cientificamente os benefícios da utilização de medicamentos fitoterápicos e de conhecer, ao mesmo tempo, a segurança de seu uso indevido....
Abstract Aneurinibacillus aneurinilyticus strain CKMV1 was isolated from rhizosphere of Valeriana jatamansi and possessed multiple plant growth promoting traits like production of phosphate solubilization (260 mg/L), nitrogen fixation (202.91 nmol ethylene mL-1 h-1), indole-3-acetic acid (IAA) (8.1 µg/m...
Bacillales/aislamiento & purificación,
Fosfatos de Calcio/metabolismo,
Solanum lycopersicum/crecimiento & desarrollo,
Fijación del Nitrógeno,
Reguladores del Crecimiento de las Plantas/metabolismo,
Valeriana/microbiología,
Antibiosis,
Bacillales/metabolismo,
Biomasa,
Cromatografía Líquida de Alta Presión,
Hongos/crecimiento & desarrollo,
Solanum lycopersicum/microbiología,
Raíces de Plantas/microbiología,
Rizosfera,
Microbiología del Suelo
Abstract Actinobacteria occur in many environments and have the capacity to produce secondary metabolites with antibiotic potential. Identification and taxonomy of actinobacteria that produce antimicrobial substances is essential for the screening of new compounds, and sequencing of the 16S region of rib...
Actinobacteria/clasificación,
Actinobacteria/genética,
Actinobacteria/aislamiento & purificación,
Actinobacteria/fisiología,
Antibiosis,
Brasil,
Hongos/fisiología,
Filogenia,
ARN Ribosómico 16S/genética,
Streptomyces/clasificación,
Streptomyces/genética