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  • Authors Goncalves, S; Goncalves, MA; Ameixa, O; Nogueira, JMF; Romano, A
  • Author Full Name Goncalves, S.; Goncalves, M. A.; Ameixa, O.; Nogueira, J. M. F.; Romano, A.
  • Title Insecticidal activity of leaf extracts from Drosophyllum lusitanicum against Liriomyza trifolii (Burgess) (Diptera: Agromyzidae)
  • Nationality nacional
  • Source JOURNAL OF HORTICULTURAL SCIENCE & BIOTECHNOLOGY
  • Language English
  • Document Type Article
  • Keywords Plus VITRO CULTURED PLANTS; ANTIMICROBIAL ACTIVITY; INSECTIVOROUS PLANT; AZADIRACHTA-INDICA; DIAMONDBACK MOTH; MELIA-AZEDARACH; ESSENTIAL OILS; PLUMBAGIN; PESTICIDES; DROSERA
  • Abstract ne present study was carried out to evaluate the insecticidal properties of Drosophyllum lusitanicum (L.) Link, an insectivorous plant that is endemic to the western Iberian Peninsula and northwest Morocco. The insecticidal capacities of extracts from field-grown A lusitanicum plants were evaluated using contact and feeding bioassays against female adults of Liriomyza trifolii (Burgess), one of the major pests of several floricultural and vegetable crops. In addition, the toxicity of the extract from in vitro cultures of D. lusitanicum was evaluated in contact bioassays. ne results showed that extracts of D. lusitanicum have considerable insecticidal potential, particularly through contact application (100% mortality 1 d after treatment). Moreover, extracts from in vitro cultures had similar toxicity to those from field-grown plants. Extracts were analysed by gas chromatography coupled to mass spectrometry (GC-MS). The major constituent was 5-hydroxy-2-methyl-1,4-naphthoquinone (plumbagin), and its level was similar in extracts from field-grown plants (11.0 mg ml(-1)) and from in vitro cultures (8.2 mg ml(-1)). Although the results suggest that the insecticidal activity of extracts of D. lusitanicum is probably due to the presence of this naphthoquinone, further detailed research is required to identify other compounds that may be responsible for the activity.
  • Author Address [Romano, A.] Univ Algarve, Inst Biotechnol & Bioengn, Ctr Mol & Struct Biomed, P-8005139 Faro, Portugal; [Goncalves, S.; Goncalves, M. A.; Ameixa, O.; Romano, A.] Univ Algarve, Fac Nat Resources Engn, P-8005139 Faro, Portugal; [Nogueira, J. M. F.] Univ Lisbon, Dept Chem & Biochem, Ctr Chem & Biochem, Fac Sci, P-1749016 Lisbon, Portugal
  • Reprint Address Romano, A (reprint author), Univ Algarve, Inst Biotechnol & Bioengn, Ctr Mol & Struct Biomed, Campus Gambelas, P-8005139 Faro, Portugal.
  • E-mail Address aromano@ualg.pt
  • ResearcherID Number Nogueira, Jose Manuel/D-1736-2009; Romano, Anabela/C-1157-2013; Ameixa, Olga/E-2297-2011
  • ORCID Number Nogueira, Jose Manuel/0000-0001-5785-6780; Ameixa, Olga/0000-0002-5422-1090
  • Funding Agency and Grant Number Portuguese Science and Technology Foundation (FCT) [SFRH/BPD/31534/2006]
  • Funding Text Sandra Goncalves acknowledges a grant from the Portuguese Science and Technology Foundation (FCT, Grant SFRH/BPD/31534/2006)
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  • Cited Reference Count 34
  • Times Cited 4
  • Total Times Cited Count (WoS, BCI, and CSCD) 4
  • Publisher HEADLEY BROTHERS LTD
  • Publisher City ASHFORD
  • Publisher Address INVICTA PRESS, ASHFORD TN24 8HH, KENT, ENGLAND
  • ISSN 1462-0316
  • Character Source Abbreviation J HORTIC SCI BIOTECH
  • ISO Source Abbreviation J. Horticult. Sci. Biotechnol.
  • Publication Date SEP
  • Year Published 2008
  • Volume 83
  • Issue 5
  • Beginning Page 653
  • Ending Page 657
  • Page Count 5
  • Web of Science Category Horticulture
  • Subject Category Agriculture
  • Document Delivery Number 361PO
  • Unique Article Identifier WOS:000260139800020
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