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| 1 | Ovicidal and repellent activities of botanical extracts against Culex quinquefasciatus,Aedes aegypti and Anopheles stephensi(Diptera:Culicidae)显示文摘Objective:To determine the ovicidal and repellent activities of methanol leaf extract of Ervatamia coronaria(E.coronaria) and Caeslpinia pulckerrima(C.pulcherrima) against Culex quinquefasciatus(Cx.quinquefasciatus),Aedes aegypti(Ae.aegypti) and Anopheles stephensi(An. stephensi).Methods:The ovicidal activity was determined against three mosquito species at various concentrations ranging from 50-450 ppm under the laboratory conditions.The hatch rates were assessed 48 h after treatment.The repellent efficacy was determined against three mosquito species at three concentrations viz.,1.0,2.5 and 5.0 mg/cm under the laboratory conditions. Results:The crude extract of E.coronaria exerted zero hatchability(100%mortality) at 250.200 and 150 ppm for Cx.quinqitefasciatus,Ae.aegypti and An.stephensi,respectively.The crude extract of C.pulchenima exerted zero hatchability(100%mortality) at 375.300 and 225 ppm for Cx.quinquefasciatus,Ae.aegypti and An.Stephensi,respectively.The methanol extract of E. coronaria found to be more repellenct than C.pukherrima extract.A higher concentration of 5.0 mg/cm^2 provided 100%protection up to 150.180 and 210 min against Cx.quinquefasciatus,Ae. aegypti and An.stephensi,respectively.The results clearly showed that repellent activity was dose dependent.Conclusions:From the results it can be concluded the crude extracts of E.coronaria and C.pukherrima are an excellent potential for controlling Cx.quinquefasciatus,Ae.aegypti and An.stephensi mosquitoes. | Govindarajan M Mathivanan T Elumalai K Krishnappa K Anandan A | 2011 | Asian Pacific Journal of Tropical Biomedicine2011，1，1： | 17 |
| 2 | Computational analysis of mixed-mode delamination crack growth in a woven laminated ceramic-matrix composite显示文摘 | Newaz G M Bonora N Krishnappa M | 1999 | Composites Science and Technology1999，59，： | 1 |
| 3 | Pathogenicity and management of phomopsis blight and leaf spot in brinjal caused by Phomopsis vexans and alternaria solani显示文摘 | Thippeswamy B Krishnappa M Chakravarthy C N | 2006 | Indian Phytopathology2006，59，4： | 1 |
| 4 | Cytotaxonomy of Solanum indicum complex 显示文摘 | Krishnappa D G Chennaveeraiah M S | 1975 | Cytologia1975，40，： | 1 |
| 5 | Biofilms: a survival strategy of bacteria显示文摘 | PRAKASH B VEEREGOWDA B M KRISHNAPPA G | 2003 | Current Science2003，85，9： | 1 |
| 6 | Bioaccumulation potential of Aspergillus niger and Aspergillus flavus for removal of heavy metals from paper mill effluent显示文摘 | THIPPESWAMY B SHIVAKUMAR C K KRISHNAPPA M | 2012 | Journal of Environmental Biology2012，33，6： | 1 |
| 7 | De-velopment of ELISA {or the detection of Ralstonia so lanacearum in tomato: its application in seed health testing显示文摘 | Rajeshwari N Shylaja M D Krishnappa M | 1998 | World journal of Microbiology and Bio- technology1998，14，5： | 1 |
| 8 | 显示文摘 | Krishnappa R V N Desai K Sung C M | 2003 | J Mater Sci2003，38，： | 1 |
| 9 | Serological and molecular capsular typing antibiotic susceptibility of streptococcus pneumoniae isolates fron invasive and non-invasive infections显示文摘 | Krishnappa L G Marie M A John J | 2014 | Acta Microbiol Immunol Hung2014，61，2： | 1 |
| 10 | Location of Alternaria species in sunflower seeds 显示文摘 | Krishnappa M Shetty H S | 1990 | Plant Disease Research1990，5，2： | 1 |
| 11 | Develop- ment of ELISA for the detection of Ralstonia solanacearum in tomato: Its application in seed health testing显示文摘 | Rajeshwari N Shylaja M D Krishnappa M | 1998 | World J Microbiol Biotechnol1998，14，： | 1 |
| 12 | Location and transmission of Phomopsis vexans, alternaria solani in brinjal显示文摘 | Thippeswamy B Krishnappa M Chakravarthy C N | 2012 | India Phytopathological Society2012，58，4： | 1 |
| 13 | Xylaria oxyacanthae(Xylariaceae),a new record on Diospyros melanoxylon from India显示文摘Xylaria is the largest genus in Xylariaceae with wide range of hosts,and highly diversified species.In this study,Xylaria samples were collected from buried fruits of Diospyros melanoxylon in India.Morphological characteristics and molecular phylogenetic analysis of internal transcribed spacer(ITS)data recovered supports our stain is Xylaria oxyacanthae,a new record to India.A detailed morphological description and comparison of closely related taxa are provided in this study. | Himani S Krishnappa M | 2020 | Studies in Fungi2020，5，1： | 0 |
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