title: Insecticidal activity of Jatropha curcas extracts against housefly, Musca domestica.
abstract: The hexane and ether extracts of leaves, bark and roots of Jatropha curcas were screened for their toxicity against different developmental stages of housefly. The larvicidal, pupicidal and adulticidal activities were analysed at various concentrations (0.78-7.86 mg/cm(2)) of hexane and ether extracts. The lethal concentration values (LC50) of hexane extract of J. curcas leaves were 3.0 and 0.27 mg/cm(2) for adult and larval stages of housefly, respectively, after 48 h. Similarly, the ether extract of leaf showed the LC50 of 2.20 and 4.53 mg/cm(2) for adult and larval stages of housefly. Least toxicity was observed with hexane root extract of J. curcas with LC50 values of 14.18 and 14.26 mg/cm(2) for adult and larvae of housefly, respectively, after 48 h. The variation in LC50 against housefly pupae was found to be 8.88-13.10 mg/cm(2) at various J. curcas extract concentrations. The GC-MS analysis of J. curcas leaf extract revealed the presence of trans-phytol (60.81 %), squalene (28.58 %), phytol (2.52 %) and nonadecanone (1.06 %) as major components that could be attributed for insecticidal activity of J. curcas extracts.
authors.affiliation: Applied Microbiology Laboratory, Centre for Rural Development and Technology, Indian Institute of Technology, New Delhi, 110016, India.
authors.forename: Nitin
authors.initials: N
authors.lastname: Chauhan
authors.affiliation: Applied Microbiology Laboratory, Centre for Rural Development and Technology, Indian Institute of Technology, New Delhi, 110016, India.
authors.forename: Peeyush
authors.initials: P
authors.lastname: Kumar
authors.affiliation: Applied Microbiology Laboratory, Centre for Rural Development and Technology, Indian Institute of Technology, New Delhi, 110016, India.
authors.forename: Sapna
authors.initials: S
authors.lastname: Mishra
authors.affiliation: Biochemistry Laboratory, Centre for Rural Development and Technology, Indian Institute of Technology, New Delhi, 110016, India.
authors.forename: Sharad
authors.initials: S
authors.lastname: Verma
authors.affiliation: Applied Microbiology Laboratory, Centre for Rural Development and Technology, Indian Institute of Technology, New Delhi, 110016, India. anushree@rdat.iitd.ac.in.
authors.forename: Anushree
authors.initials: A
authors.lastname: Malik
authors.affiliation: Biochemistry Laboratory, Centre for Rural Development and Technology, Indian Institute of Technology, New Delhi, 110016, India.
authors.forename: Satyawati
authors.initials: S
authors.lastname: Sharma
mesh_terms: D000818:Animals; D005227:Fatty Acids / Q000737:chemistry / Q000302:isolation & purification; D006793:Houseflies / Q000187:drug effects*; D007306:Insecticides / Q000737:chemistry / Q000302:isolation & purification / Q000494:pharmacology*; D031286:Jatropha / Q000737:chemistry*; D007814:Larva / Q000187:drug effects; D007928:Lethal Dose 50; D010836:Phytol / Q000737:chemistry / Q000302:isolation & purification; D010936:Plant Extracts / Q000737:chemistry / Q000302:isolation & purification / Q000494:pharmacology*; D018515:Plant Leaves / Q000737:chemistry; D018517:Plant Roots / Q000737:chemistry; D011679:Pupa / Q000187:drug effects; D013185:Squalene / Q000737:chemistry / Q000302:isolation & purification
chemical_list: D005227:Fatty Acids; D007306:Insecticides; D010936:Plant Extracts; D010836:Phytol; D013185:Squalene
keywords: Adulticidal; Jatropha curcas; Larvicidal; Musca domestica; Pupicidal