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We found 2 data for " termite"

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NO. DATASET TITLE
1.
SEPTICEMIA OF SUBTERRANEAN TERMITES COPTOTERMES CURVIGNATHUS CAUSED BY DISTURBANCE OF BACTERIA ISOLATED FROM TERMITE GUT AND ITS FORAGING PATHWAYS
DESCRIPTION : Microbial pathogens continue to attract a great deal of attention to manage termite population. Every bacterium has its own mode of action and in fact, the mechanisms used by bacteria to attack termites remains elusive at the moment. Hence, the objective of this study was to evaluate the susceptibility of subterranean termites Coptotermes curvignathus to opportunistic pathogens using culturable aerobic bacteria isolated from the termite gut and its foraging pathways. Bacterial suspensions were prepared in concentrations of 103, 106, and 109 CFU/mL and introduced to the termites via oral-contact and physical contact treatment. The data shows that contact method acted slower and gave lower mortality, compared to oral-contact method. C. curvignathus were highly susceptible to Serratia marcescens and Pseudomonas aeruginosa. Serratia marcescens showed the highest mortality percentage of 68% and 54% at bacterial concentration of 109 CFU/mL via oral-contact and contact method, respectively. S. marcescens was also defined as the bacteria with the highest ability to induce high mortality of C. curvignathus with the lowest concentration of bacterial suspension at a given time under laboratory condition. The results of this study indicate that P. aeruginosa and S. marcescens in particular may be attractive candidates worth further examination as a possible biocontrol agent against C. curvignathus in the field and, to evaluate environmental and ecological risks of the biocontrol.
CONTRIBUTOR : H'NG PAIK SAN (11/05/2023 12:55 PM)
FACULTY : INSTITUT PERHUTANAN TROPIKA DAN PRODUK HUTAN
PUBLICATION : 0 ; FILE IN : HDFS 
HAS VIEWS : 2363 ; FOLDER IN PROJECT : 1 ; FILE IN PROJECT : 1 ; DOWNLOAD : 0 ;
KEYWORD : [Coptotermes curvignathus] , [ Serratia marcescens] , [ termite]
2.
APPLICATION STRATEGIES BY SELECTIVE MEDIUM TREATED WITH ENTOMOPATHOGENIC BACTERIA SERRATIA MARCESCENS AND PSEUDOMONAS AERUGINOSA AS POTENTIAL BIOCONTROL AGAINST COPTOTERMES CURVIGNATHUS
DESCRIPTION : The success of microbial termiticides in controlling termites depends on the ability of microbes to grow in different medium and the functionality of the microbes as a resistant barrier or toxic bait. This study was conducted to understand the mortality rate and behaviour changes of subterranean termite (Coptotermes curvignathus Holmgren) introduced with different concentrations of Serratia marcescens strain LGMS 1 and Pseudomonas aeruginosa strain LGMS 3 using wood and soil as bacterial transfer medium. In general, higher concentration of bacteria in soil caused reduction in tunnelling activity, wood consumption and an increased in mortality. However, application on wood revealed a different outcome. Wood treated with S. marcescens of 106 CFU/mL concentration proved to be more efficient as bait than higher concentration applications as it caused high mortality rate while still highly palatable for termites. Wood or soil treated with S. marcescens concentration higher than 109 CFU/mL creates a high toxicity and repellent barrier for termites. P. aeruginosa of 109 CFU/mL concentrations applied on wood served as a slow-acting toxic bait. However, the ability for S. marcescens and P. aeruginosa to survive on wood are low which caused the bait unable to retain a useful level of toxicity for a long period of time and frequent reapplication is needed.
CONTRIBUTOR : CHIN KIT LING (11/05/2023 11:16 AM)
FACULTY : FAKULTI PERHUTANAN
PUBLICATION : 0 ; FILE IN : HDFS 
HAS VIEWS : 2211 ; FOLDER IN PROJECT : 1 ; FILE IN PROJECT : 1 ; DOWNLOAD : 0 ;
KEYWORD : [Coptotermes curvignathus] , [ Serratia marcescens] , [ Pseudomonas aeruginosa] , [ Bacterial transfermedium] , [ Application strategies]

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