Allelochemical regulation of reproduction and seed germination of two BrazilianBaccharis species by phytotoxic trichothecenes.

abstract：:Bees of the genusTrigona and subgenusTrigona possess volatile materials in their mandibular glands, used as alarm substances and as marking pheromones. Heads of workers ofTrigona fulviventris were analyzed by gas chromatography-mass spectrometry. The two major volatile components were nerol (∼ 50%), and octyl caproate...

journal_title：Journal of chemical ecology

authors： Johnson LK,Wiemer DF

更新日期：1982-09-01 00:00:00

abstract：:The sex pheromone of the western hemlock looper (WHL),Lambdina fiscellaria lugubrosa (Hulst), comprises three methylated hydrocarbons: 5,11-dimethylheptadecane (5,11), 2,5-dimethylheptadecane (2,5), and 7-methylheptadecane (7). Compounds extracted from female pheromone glands were identified by coupled gas chromatogra...

journal_title：Journal of chemical ecology

authors： Gries G,Gries R,Krannitz SH,Li J,King GG,Slessor KN,Borden JH,Bowers WW,West RJ,Underhill EW

更新日期：1993-05-01 00:00:00

abstract：:The cucurbitacins are oxygenated tetracyclic triterpenoids produced as secondary plant compounds by nearly all genera of Cucurbitaceae. The very bitter and toxic cucurbitacins are effective semiochemicals acting ecologically as allomones to protect the Cucurbitaceae from attack by a variety of invertebrate and vertebr...

journal_title：Journal of chemical ecology

authors： Metcalf RL

更新日期：1986-05-01 00:00:00

abstract：:Electroantennograms (EAGs) were recorded from male and female moths of two sympatric leaf folder species,Cnaphalocrocis medinalis (Gue-née) andMarasmia patnalis Bradley (Lepidoptera: Pyralidae) to 91 volatile chemicals of plant origin. Responses of both leaf folder species were similar to all compounds except to three...

journal_title：Journal of chemical ecology

authors： Ramachandran R,Khan ZR,Caballero P,Juliano BO

更新日期：1990-09-01 00:00:00

abstract：:Bioassays in a Y-tube olfactometer showed that workers of Solenopsis geminata (Hymenoptera: Formicidae) were attracted to venom gland extracts of queens. Gas chromatography coupled mass spectrometry analysis of individual glands of queens of S. geminata showed that the secretion is composed mainly of a large amount of...

journal_title：Journal of chemical ecology

authors： Cruz-López L,Rojas JC,De La Cruz-Cordero R,Morgan ED

更新日期：2001-12-01 00:00:00

abstract：:A study was undertaken to assess the effect of parthenin--a sesquiterpene lactone from Parthenium hysterophorus--on the germination, growth, and some associated physiological changes in Ageratum conyzoides. The study reveals that germination and growth of A. conyzoides was severely reduced by parthenin in the concentr...

journal_title：Journal of chemical ecology

authors： Singh HP,Batish DR,Kohli RK,Saxena DB,Arora V

更新日期：2002-11-01 00:00:00

abstract：:A study of two related plants (Antirrhinum majus L. and Linaria vulgaris Mill.) containing the same defensive compound (the iridoid glucoside, antirrhinoside) but with reproductive strategies that differ during ontogeny was undertaken. Young leaves are important to plants due to their higher photosynthetic rates and, ...

journal_title：Journal of chemical ecology

authors： Beninger CW,Cloutier RR,Grodzinski B

更新日期：2009-11-01 00:00:00

abstract：:Cardenolides are classically studied steroidal defenses in chemical ecology and plant-herbivore coevolution. Although milkweed plants (Asclepias spp.) produce up to 200 structurally different cardenolides, all compounds seemingly share the same well-characterized mode of action, inhibition of the ubiquitous Na+/K+ ATP...

journal_title：Journal of chemical ecology

authors： Züst T,Petschenka G,Hastings AP,Agrawal AA

更新日期：2019-01-01 00:00:00

abstract：:Electroantennograms (EAGs) were recorded from male and female black turpentine beetles,Dendroctonus terebrans (Olivier), exposed to bark beetle pheromones and host terpenes. The dose-response curves indicated similarities in the receptor mechanisms for both sexes for each compound. Antennal sensitivity was greatest to...

journal_title：Journal of chemical ecology

authors： Delorme JD,Payne TL

更新日期：1990-04-01 00:00:00

abstract：:The free amino acids have been shown by isolational work and choice bioassays to be more important than all other factors evaluated in defining leaf-feeding resistance of corn (Zea mays L.) to fall armyworm (FAW) [(Spodoptera frugiperda J.E. Smith)] larvae. 6-MBOA (6-methoxybenzoxazolinone) and maysin, toxins present ...

journal_title：Journal of chemical ecology

authors： Hedin PA,Williams WP,Davis FM,Buckley PM

更新日期：1990-06-01 00:00:00

abstract：:Recent studies have alerted us to the potential for conflicts between pathogen- and herbivore-induced plant defenses. The lack of studies on the induced chemical changes that simultaneous insect and pathogen attacks have on the host plant has become apparent. In the present study, we found that pepper plant volatile p...

journal_title：Journal of chemical ecology

authors： Cardoza YJ,Tumlinson JH

更新日期：2006-08-01 00:00:00

abstract：:By utilizing one- and two-dimensional nuclear magnetic resonance techniques, the complete assignments of the proton and carbon spectra of the lactones anastrephin, epianastrephin, and suspensolide have been accomplished. These compounds are pheromone components for both the Caribbean and Mexican fruit flies. The relat...

journal_title：Journal of chemical ecology

authors： Baker JD,Heath RR

更新日期：1993-07-01 00:00:00

abstract：:A monoterpene alcohol was isolated from paraquat-induced lightwood in pines and identified as (+)-cis-3-pinen-2-ol [(+)-3]. More than a certain amount of (+)-3 induced a laboratory flight response by the male cerambycid beetle,Monochamus altematus Hope, but (+)-3 stimulated no response by the female at any dose level ...

journal_title：Journal of chemical ecology

authors： Sakai M,Toruyamasaki T

更新日期：1991-04-01 00:00:00

abstract：:The qualitative and quantitative composition of the principal lipid constituents of Siberian musk deer (Moschus moschiferus) preputial gland secretion, main odor carriers and potential precursors of odorous substances, was investigated by means of high-performance liquid chromatography. Free fatty acids and phenols (1...

journal_title：Journal of chemical ecology

authors： Sokolov VE,Kagan MZ,Vasilieva VS,Prihodko VI,Zinkevich EP

更新日期：1987-01-01 00:00:00

abstract：:Stingless bees (Hymenoptera, Apidae: Meliponini) represent a highly diverse group of social bees confined to the world's tropics and subtropics. They show a striking diversity of structural and behavioral adaptations and are important pollinators of tropical plants. Despite their diversity and functional importance, t...

journal_title：Journal of chemical ecology

authors： Leonhardt SD

更新日期：2017-04-01 00:00:00

abstract：:The European rabbit (Oryctolagus cuniculus) uses the secretion of the chin gland to maintain dominance hierarchies in the wild. Recent work has investigated changes in the secretion when social status is manipulated in the rabbit. When a rabbit becomes dominant, a new compound appears in his secretion, 2-phenoxyethano...

journal_title：Journal of chemical ecology

authors： Hayes RA,Richardson BJ,Wyllie SG

更新日期：2003-05-01 00:00:00

abstract：:The intertidal pulmonate limpetTrimusculus reticulatus, which is found in caves or crevices along the California coast, was previously reported to contain two novel diterpenoids, 6β-isovaleroxylabda-8,13-dien-7α,15-diol (1) and 2α,7α-diacetoxy-6β-isovaleroxylabda-8,13-dien-15-ol (2). Dissection of the animals prior to...

journal_title：Journal of chemical ecology

authors： Manker DC,John Faulkner D

更新日期：1996-01-01 00:00:00

abstract：:Specialized metabolites in plants influence their interactions with other species, including herbivorous insects, which may adapt to tolerate defensive phytochemicals. The chemical arsenal of Alliaria petiolata (garlic mustard, Brassicaceae) includes the glucosinolate sinigrin and alliarinoside, a hydroxynitrile gluco...

journal_title：Journal of chemical ecology

authors： Frisch T,Agerbirk N,Davis S,Cipollini D,Olsen CE,Motawia MS,Bjarnholt N,Møller BL

更新日期：2014-10-01 00:00:00

abstract：:Repellency and toxicity of 8 essential oils (vetiver grass, cassia leaf, clove bud, cedarwood, Eucalyptus globules, Eucalyptus citrodora, lemongrass and geranium) were evaluated against the Formosan subterranean termite, Coptotermes formosanus Shiraki. Vetiver oil proved the most effective repellent because of its lon...

journal_title：Journal of chemical ecology

authors： Zhu BC,Henderson G,Chen F,Fei H,Laine RA

更新日期：2001-08-01 00:00:00

abstract：:Factors eliciting copulatory behavior in mature maleHylobius abietis were studied in the laboratory. Dead female weevils were sexually attractive, while dead mature males and pentane-extracted female weevils were not. The sexual attractiveness of dead females declined with time after death. Pentane extracts of whole f...

journal_title：Journal of chemical ecology

authors： Tilles DA,Eidmann HH,Solbreck B

更新日期：1988-06-01 00:00:00

abstract：:In nature, Papilio polytes utilizes a limited range of rutaceous plants as hosts. We isolated and identified oviposition stimulants for the butterfly from the foliage of its primary host plant Toddalia asiatica. Females readily deposited eggs in response to a methanolic extract of the plant. Partition of the extract w...

journal_title：Journal of chemical ecology

authors： Nakayama T,Honda K,Omura H,Hayashi N

更新日期：2003-07-01 00:00:00

abstract：:The original version of this article unfortunately contained some mistakes. ...

journal_title：Journal of chemical ecology

authors： Marneweck C,Jürgens A,Shrader AM

更新日期：2019-04-01 00:00:00

abstract：:To evaluate methods for promoting consumption of tamarisk plants by beavers (Castor canadensis), we determined the feeding responses by captive beavers to diets that contained tannins and sodium chloride (hereafter referred to as tamarisk diet). In two-choice tests, beavers consumed equivalent quantities of tamarisk d...

journal_title：Journal of chemical ecology

authors： Kimball BA,Perry KR

更新日期：2008-08-01 00:00:00

abstract：:Coniferyl benzoate, a secondary metabolite found in quaking aspen (Populus tremuloides) and other plants, is an avian feeding deterrent of ecological and potential commercial importance. This study was conducted to determine if coniferyl benzoate is a trigeminal stimulant for birds and to ascertain if trigeminal chemo...

journal_title：Journal of chemical ecology

authors： Jakubas WJ,Mason JR

更新日期：1991-11-01 00:00:00

abstract：:Steroidal glycoalkaloids, found in species of the Solanaceae, elicit bursting activity in galeal and tarsal chemosensilla of adult Colorado potato beetles. The effect has an average latency of 6-12 sec, depending on the sensillum/alkaloid combination. A 20-sec alkaloid treatment is often suffficient to render galeal s...

journal_title：Journal of chemical ecology

authors： Mitchell BK,Harrison GD

更新日期：1985-01-01 00:00:00

abstract：:The kinetics of the release of gossyplure, measured in the laboratory at 34.5 ± 0.5 °C, from two liquid flowable formulations are presented and discussed. The data indicate that liquid flowable formulations, defined as those formulations where the active ingredient (in this case gossyplure) is attached to a particulat...

journal_title：Journal of chemical ecology

authors： Weatherston I,Miller D

更新日期：1989-06-01 00:00:00

abstract：:Prior electrophoretic and morphological studies have identified two closely related, economically important tephritid flies,R. mendax (Curran) andR. pomonella (Walsh), which infest the fruits of ericaceous and rosaceous plants, respectively. Further studies also have shown consistent differences among these species in...

journal_title：Journal of chemical ecology

authors： Frey JE,Bierbaum TJ,Bush GL

更新日期：1992-11-01 00:00:00

abstract：:A spatial-temporal model for personal computers is developed that simulates trapping of an insect population based on trap and population parameters that can be varied independently. The model allows individual "insects" to move forward at any step size with right or left turns within any specified angle taken at rand...

journal_title：Journal of chemical ecology

authors： Byers JA

更新日期：1993-09-01 00:00:00

abstract：:The alfalfa seed chalcid (ASC),Bruchophagus roddi, is a monophagous pest of alfalfa that parasitizes developing seeds. To further understand the olfactory basis of host-plant recognition by ASCs, we recorded electroantennograms (EAGs) from females and males to 39 volatiles from both alfalfa and red clover. The chemore...

journal_title：Journal of chemical ecology

authors： Light DM,Kamm JA,Buttery RG

更新日期：1992-03-01 00:00:00

abstract：:In spite of the importance of chemoreception in social organization and sexual selection of lizards, there is a lack of general knowledge on how the characteristics of chemical signals mediate these behaviors. Moreover, it is unknown which are the mechanisms that might confer honesty to the information provided by che...

journal_title：Journal of chemical ecology

authors： López P,Amo L,Martín J

更新日期：2006-02-01 00:00:00