Journal of Chemical Ecology

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Olfactory basis of cannibalism in grasshoppers (Orthoptera: Acrididae): II. field assessment of attractants
Journal of Chemical Ecology - Tập 20 - Trang 2261-2272 - 1994
Charles R. Bomar, Jeffrey A. Lockwood
The responses of rangeland grasshoppers to biologically and historically derived attractants were studied in a shortgrass prairie in southeastern Wyoming in July 1990. Seven long-chain fatty acids (C14–C20: singly and in combination), grasshopper cadavers, molasses, fruit extracts, and chloroform (solvent control) were tested. Each attractant was applied to filter paper and placed in an arena deli...... hiện toàn bộ
Putative Chemical Signals from White-Tailed Deer (Odocoileus virginianus): Social and Seasonal Effects on Urinary Volatile Excretion in Males
Journal of Chemical Ecology - Tập 24 - Trang 673-683 - 1998
K. V. Miller, B. Jemiolo, J. W. Gassett, I. Jelinek, D. Wiesler, M. Novotny
Urine samples collected from dominant and subordinate male white-tailed deer during the breeding and nonbreeding season were analyzed by combined gas chromatography–mass spectrometry (GC-MS). Fifty-five volatiles were found in measurable quantities. Ketones were most numerous, followed by alcohols and alkanes. Nine compounds were common to both dominants and subordinates during the breeding season...... hiện toàn bộ
Activation of plant foliar oxidases by insect feeding reduces nutritive quality of foliage for noctuid herbivores
Journal of Chemical Ecology - Tập 15 - Trang 2667-2694 - 1989
G. W. Felton, K. Donato, R. J. Del Vecchio, S. S. Duffey
The foliage and fruit of the tomato plantLycopersicon esculentum contains polyphenol oxidases (PPO) and peroxidases (POD) that are compartmentally separated from orthodihydroxyphenolic substrates in situ. However, when leaf tissue is damaged by insect feeding, the enzyme and phenolic substrates come in contact, resulting in the rapid oxidation of phenolics to orthoquinones. When the tomato fruitwo...... hiện toàn bộ
Responses of Flea Beetle Phyllotreta cruciferae to Synthetic Aggregation Pheromone Components and Host Plant Volatiles in Field Trials
Journal of Chemical Ecology - Tập 31 - Trang 1829-1843 - 2005
Juliana J. Soroka, Robert J. Bartelt, Bruce W. Zilkowski, Allard A. Cossé
Male-specific compounds, previously identified from Phyllotreta cruciferae and synthesized or isolated from natural sources, attracted both sexes of the beetle in field trials and therefore function as components of a male-produced aggregation pheromone. Six field experiments of 7 to 10 d duration each were conducted over 2 yr using modified boll weevil traps and two doses of pheromone. Treatments...... hiện toàn bộ
Interactions amongHeliothis virescens larvae, cotton condensed tannin and the CryIA(c) δ-endotoxin ofBacillus thuringiensis
Journal of Chemical Ecology - Tập 19 - Trang 2485-2499 - 1993
A. Navon, J. D. Hare, B. A. Federici
The potential interactions among a plant-produced allelochemical, a phytophagous insect, and an endotoxin produced byBacillus thuringiensis were investigated using purified cotton condensed tannins, the CryIA(c)δ-endotoxin fromB. thuringiensis subsp.kurstaki strain HD-73, and larvae ofHeliothis virescens. Purified condensed tannin from cotton fed to neonateH. virescens reduced feeding and mortalit...... hiện toàn bộ
Special Issues in Honor of Professor Dr. Dr. hc mult. Wittko Francke, 28 November 1940–27 December 2020
Journal of Chemical Ecology - Tập 48 - Trang 241-243 - 2022
Jocelyn G. Millar, Stefan Schulz, Gary W. Felton
Maize Chlorotic Mottle Virus Induces Changes in Host Plant Volatiles that Attract Vector Thrips Species
Journal of Chemical Ecology - Tập 44 - Trang 681-689 - 2018
Nelson L. Mwando, Amanuel Tamiru, Johnson O. Nyasani, Meshack A. O. Obonyo, John C. Caulfield, Toby J. A. Bruce, Sevgan Subramanian
Maize lethal necrosis is one of the most devastating diseases of maize causing yield losses reaching up to 90% in sub-Saharan Africa. The disease is caused by a combination of maize chlorotic mottle virus (MCMV) and any one of cereal viruses in the Potyviridae group such as sugarcane mosaic virus. MCMV has been reported to be transmitted mainly by maize thrips (Frankliniella williamsi) and onion t...... hiện toàn bộ
Responses of Mud Snails and Periwinkles to Environmental Odors and Disaccharide Mimics of Fish Odor
Journal of Chemical Ecology - Tập 26 - Trang 679-696 - 2000
Yasmin J. Rahman, Richard B. Forward, Dan Rittschof
Estuarine snails, periwinkles (Littoraria irorata), and mud snails (Ilyanassa obsoleta) were tested for behavioral responses to aqueous extracts of tissue macerates, odors of living intact organisms, and to disaccharides derived from heparin. Extracts included salt-marsh cordgrass (Spartina alterniflora), pink shrimp (Penaeus duorarum), crushed periwinkles, and crushed mud snails. Odors included l...... hiện toàn bộ
Effects of organic solvents on use of tarbush by sheep
Journal of Chemical Ecology - Tập 20 - Trang 1137-1142 - 1994
R. E. Estell, D. M. Anderson, K. M. Havstad
Tarbush (Flourensia cernua DC) is a native perennial shrub prevalent in many parts of the Chihuahuan Desert. Ruminants have exhibited limited use of tarbush leaves and new leaders as a forage during the summer growing season. Efforts to increase use of tarbush by lambs through spraying with various organic solvents were unsuccessful, probably because of the highly variable response. However, compl...... hiện toàn bộ
α-Tocopherol alteration of soybean antiherbivory toTrichoplusia ni larvae
Journal of Chemical Ecology - Tập 17 - Trang 1941-1951 - 1991
Fanindra P. Neupane, Dale M. Norris
The antioxidant vitamin E, α-tocopherol, was tested as a candidate elicitor of alterable antiherbivory in soybean plants against cabbage looper larvae. Although a nonspecific antioxidant, vitamin E proved elicitory to the involved sulfhydryl-dependent receptor-energy transducer protein in soybean plasma membrane. Effects of α-tocopherol were dependent on dosage, time, and space in the plant. The o...... hiện toàn bộ
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