Feeding deterrent activity of alpha-methylenelactones to pea aphid Acyrthosiphon pisum (Harris) and green peach aphid Myzus persicae (Sulzer)
2006
Dancewicz, K.,Zielona Gora University (Poland). Inst. of Biotechnology and Environmental Sciences | Kordan, B.,University of Warmia and Mazury, Olsztyn (Poland). Dept. of Phytopathology and Entomology | Gabrys, B.,Zielona Gora University (Poland). Inst. of Biotechnology and Environmental Sciences | Szumny, A. | Wawrzenczyk, C.,Wroclaw Agricultural University (Poland). Dept. of Chemistry
Deterrent properties of alpha-methylenelactones derived from synthetic alkenes 2,4,4-trimethyl-pent-1-ene. 2 methyl-pent-1-ene, 1-tetradecene, and 1-methylcyclohexane and cyclic terpenes-3-carene, and camphene to the pea aphid Acyrthosiphon pisum and green peach aphid Myzus persicae were examined. The strongest deterrents to the pea aphid were 2,4,4-trimethyl-pent-1-ene, 2-methyl-pent-1-ene, and camphene and their respective alpha-methylenelactones: 5-(2,2-dimethyl-propyl)-5-methyl-3-methylene-dihydro-furan-2-one, 5-methyl-3-methylene-5-propyl-dihydro-furan-2-one, and 3,3-dimethyl-4'-methylenedihydro-5'H-spiro[bicyclo2.2.1] heptan-2,2'-furan]-5'-one: their effect was observed immediately after had had access to the plants and it lasted until the end of experiment, i.e. 24 hours after application. The green peach aphid was prevented from seetling and feeding by tetradec-1-ene and camphene
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