Efficiency of Bacillus subtilis for Root-Knot and Lesion Nematodes Management in Sugarcane
The objective of this study was to evaluate two application procedures of Bacillus subtilis for biological control of nematodes in two sugarcane genotypes (RB867515 and SP81-3250) compared to a conventional chemical control. The experiment was conducted in an area naturally infested with root-knot nematodes (Meloidogyne spp.) and root-lesion nematodes (Pratylenchus spp.). The treatments were two genotypes of sugarcane (SP81-3250 and RB867515) combined with four nematodes control methods (carbofuran, Bacillus subtilis applied at planting, B. subtilis applied at post-emergence and control). Three evaluations were performed to quantify the number of nematodes in the roots for each production cycle of the crop during the experimental period. Biological control with B. subtilis provided effective control of nematodes in all three cycles of production of sugarcane. The application of bacteria in the groove proved to be more effective for nematode control than post-emergence application. The conventional control with carbofuran provided nematode control only in plant cane.
CONCLUSION: Prevalence of antibiotic use was high not only versus other hospitals in the region but globally including Africa, coupled with significant evidence of sub-optimal prescribing. Swift action is needed to improve future prescribing to reduce AMR. One or two areas should initially be targeted for quality improvement including development of local guidelines, documentation of antibiotic indications and/or stop/review dates. PMID: 33034234 [PubMed - as supplied by publisher]
Authors: Rombauts A, Abelenda-Alonso G, Cuervo G, Gudiol C, Carratalà J Abstract INTRODUCTION: Despite adequate antibiotic coverage, community-acquired pneumonia (CAP) remains a leading cause of hospitalization and mortality worldwide. It induces both a local pulmonary and a systemic inflammatory response, particularly significant in severe cases. The intensity of the dysregulated host response varies from patient to patient and has a negative impact on survival and other outcomes. AREAS COVERED: This comprehensive review summarizes the pathophysiological aspects of the inflammatory response in CAP, brie...
Authors: Hammerschlag MR, Sharma R Abstract INTRODUCTION: Azithromycin was recommended as the first-line therapeutic regimen for treatment of genital infections in men and women by the Centers for Disease Control in 1998. A series of studies of azithromycin for treatment of rectal chlamydial infection in men who have sex with men (MSM) found that azithromycin was significantly less effective than doxycycline. AREAS COVERED: Literature on treatment of rectal C. trachomatis from 2000 through May 2020 was searched using PubMed. Retrospective and observational studies were identified documenting the frequency and t...
Authors: Reissier S, Cattoir V Abstract INTRODUCTION: Streptogramins (pristinamycin and quinupristin-dalfopristin) can be interesting options for the treatment of infections due to Gram-positive cocci, especially multidrug-resistant isolates. AREAS COVERED: This review provides an updated overview on structural and activity characteristics, mechanisms of action and resistance, pharmacokinetic/pharmacodynamic and clinical use of streptogramins. EXPERT OPINION: The streptogramin antibiotics act by inhibition of the bacterial protein synthesis. They are composed of two chemically distinct compounds, namely typ...
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