Strong repellency of the root knot nematode,Meloidogyne incognita by specific inorganic ions.

abstract：:Ilex opaca andIlex verticillata are woody species bearing lowquality, bird-dispersed fall fruits that persist for several months. Tests of secondary chemistry show that fruits of both species contain phenolics and saponins as major classes of secondary metabolites. Soluble carbohydrates are the major nutrients in both...

journal_title：Journal of chemical ecology

authors： Gargiullo MB,Stiles EW

更新日期：1991-06-01 00:00:00

abstract：:Chromatographic fractions of Himalayan cedarwood oil (Cedrus deodara) were bioassayed against the pulse beetle (Callosobruchus analis F.) and the housefly (Musca domestica L.). Almost all fractions showed insecticidal activity against both test species. Fractions I and V led to the highest mortality and also produced ...

journal_title：Journal of chemical ecology

authors： Singh D,Agarwal SK

更新日期：1988-04-01 00:00:00

abstract：:Attempted purification of synthetic racemic grandisal1 by silica gel chromatography resulted in severe decomposition. The nature of this reaction was studied on silica gel and in an ether solution ofp-toluenesulfonic acid. The same products resulted from both reaction systems, although in different ratios. Five racemi...

journal_title：Journal of chemical ecology

authors： Webster FX,Zeng XN,Silverstein RM

更新日期：1987-07-01 00:00:00

abstract：:We characterized the variation in cuticular hydrocarbon mixtures between seven colonies of the Formosan subterranean termite,Coptotermes formosanus Shiraki, from the same population. We report differences between castes, between colonies, and within the population over time to assess seasonality. Colonies ofC. formosa...

journal_title：Journal of chemical ecology

authors： Haverty MI,Grace JK,Nelson LJ,Yamamoto RT

更新日期：1996-10-01 00:00:00

abstract：:The buffy-headed marmoset (Callithrix flaviceps) is apparently the only predispersal herbivore of the seeds of Siparuna guianensis at the Caratinga Biological Station in southeastern Brazil. Both the fruit receptacles and the frutioles (seeds) of S. guianensis are relatively rich in nutrients such as carbohydrates, pr...

journal_title：Journal of chemical ecology

authors： Simas NK,Ferrari SF,Pereira SN,Leitão GG

更新日期：2001-01-01 00:00:00

abstract：:Stingless bees (Apidae: Meliponini) are the most diverse group of Apid bees and represent common pollinators in tropical ecosystems. Like honeybees they live in large eusocial colonies and rely on complex chemical recognition and communication systems. In contrast to honeybees, their ecology and especially their chemi...

journal_title：Journal of chemical ecology

authors： Leonhardt SD,Blüthgen N,Schmitt T

更新日期：2011-01-01 00:00:00

abstract：:Males of several species ofMyrmecocystus produce mandibular gland secretions that contain 2,4-dimethyl-2-hexenoic acid and a variety of monoterpenes that include neral, geranial, citronellol, limonene, and 2,6-dimethyl-5-hepten-1-ol. Other components identified include methyl anthranilate, octanal, octanol, octyl octa...

journal_title：Journal of chemical ecology

authors： Lloyd HA,Blum MS,Snelling RR,Evans SL

更新日期：1989-11-01 00:00:00

abstract：:MaleGrapholitha molesta hairpencil components are ethyltrans-cinnamate, mellein, methyl jasmonate, and methyl 2-epijasmonate. The natural behavioral effect elicited by hairpencil-displaying males during courtship in attracting sex-pheromone-releasing females from several centimeters away can be duplicated by mixtures ...

journal_title：Journal of chemical ecology

authors： Nishida R,Baker TC,Roelofs WL

更新日期：1982-06-01 00:00:00

abstract：:3,7-Dimethyl-2-undecanol, 3,7,9-trimethyl-2-tridecanol, and 3,7, 11-trimethyl-2-tridecanol were synthesized as racemic mixtures in moderate yields. The alcohols are known precursors of the female sex pheromones of the pine sawfly species Diprion nipponica, Macrodiprion nemoralis, and Microdiprion pallipes, respectivel...

journal_title：Journal of chemical ecology

authors： Hedenström E,Andersson F

更新日期：2002-06-01 00:00:00

abstract：:Hydroxamic acids have been shown to be toxic to many pest insects and pathogens. In this study, the behavioral responses of western corn rootworm larvae to naturally occurring and synthetic hydroxamic acids were investigated. In a choice test between corn roots treated with hydroxamic acids and roots treated with dist...

journal_title：Journal of chemical ecology

authors： Xie Y,Arnason JT,Philogéne BJ,Atkinson J,Morand P

更新日期：1992-07-01 00:00:00

abstract：:The larva of codling moth Cydia pomonella (Tortricidae, Lepidoptera) is known as the worm in the apple, mining the fruit for food. We here show that codling moth larvae are closely associated with yeasts of the genus Metschnikowia. Yeast is an essential part of the larval diet and further promotes larval survival by r...

journal_title：Journal of chemical ecology

authors： Witzgall P,Proffit M,Rozpedowska E,Becher PG,Andreadis S,Coracini M,Lindblom TU,Ream LJ,Hagman A,Bengtsson M,Kurtzman CP,Piskur J,Knight A

更新日期：2012-08-01 00:00:00

abstract：:The tea shot-hole borer beetle (TSHB, Euwallacea fornicatus) causes serious damage in plantations of tea, Camellia sinensis var. assamica, in Sri Lanka and South India. TSHB is found in symbiotic association with the ambrosia fungus, Monacrosporium ambrosium (syn. Fusarium ambrosium), in galleries located within stems...

journal_title：Journal of chemical ecology

authors： Kehelpannala C,Kumar NS,Jayasinghe L,Araya H,Fujimoto Y

更新日期：2018-01-01 00:00:00

abstract：:Termite colonies are almost always founded by a pair of winged dispersers, in spite of the high costs and low success rates inherent in independent colony foundation. The dispersal flights of imagoes from natal colonies are followed by mate search, mediated by sex-pairing pheromones. Here, we studied the chemistry of ...

journal_title：Journal of chemical ecology

authors： Dolejšová K,Křivánek J,Kalinová B,Hadravová R,Kyjaková P,Hanus R

更新日期：2018-06-01 00:00:00

abstract：:Information processing in the olfactory pathway underlying the perception of semiochemicals by insects is discussed. Both the chemical message for mates and the message for food consist of blends of chemicals. Olfactory receptors in an insect species are tuned to the detection of those compounds which comprise such ch...

journal_title：Journal of chemical ecology

authors： Visser JH,de Jong R

更新日期：1988-11-01 00:00:00

abstract：:Natural rates of chemical production, release, and transport of fluid-borne molecules drive fundamental biological responses to these stimuli. The scaling of the field signaling environment to laboratory conditions recreates essential features of the dynamics and establishes ecological relevance. If appropriately scal...

journal_title：Journal of chemical ecology

authors： Zimmer RK,Zimmer CA

更新日期：2008-07-01 00:00:00

abstract：:Cuticular aphrodisiacs fromD. melanogaster females were further characterized and the male response specificity towards such natural and synthetic unsaturated hydrocarbons was investigated. The behavioral activity seems to be correlated with some chain-length requirement and double-bond position; at least one double b...

journal_title：Journal of chemical ecology

authors： Antony C,Davis TL,Carlson DA,Pechine JM,Jallon JM

更新日期：1985-12-01 00:00:00

abstract：:The cuticular chemicals of 124 individual wasps (foundresses and workers) from 23 colonies ofPolistes fuscatus were analyzed. The compounds identified, all of which were hydrocarbons, were similar to those of other vespid wasps in that the bulk of the hydrocarbons were 23-33 carbons in chain length. However, the hydro...

journal_title：Journal of chemical ecology

authors： Espelie KE,Gamboa GJ,Grudzien TA,Bura EA

更新日期：1994-07-01 00:00:00

abstract：:Larvae of the mothUtetheisa ornatrix are shown to cannibalize eggs in the laboratory. They proved most cannibalistic if they were systemically deficient in pyrrolizidine alkaloid (PA), the defensive agent that protectsUtetheisa at all stages of development against predation, and whichUtetheisa acquire as larvae from t...

journal_title：Journal of chemical ecology

authors： Bogner F,Eisner T

更新日期：1991-11-01 00:00:00

abstract：:Certain insect species can induce gall formation on numerous plants species. Although the mechanism of gall development is largely unknown, it is clear that insects manipulate their hosts' anatomy, physiology, and chemistry for their own benefit. It is well known that insect-induced galls often contain vast amounts of...

journal_title：Journal of chemical ecology

authors： Rand K,Bar E,Ari MB,Davidovich-Rikanati R,Dudareva N,Inbar M,Lewinsohn E

更新日期：2017-02-01 00:00:00

abstract：: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, result...

journal_title：Journal of chemical ecology

authors： Felton GW,Donato K,Del Vecchio RJ,Duffey SS

更新日期：1989-12-01 00:00:00

abstract：:The role of extracellular fatty acids in the interference between two algae, Chlorella vulgaris Beijerink and Pseudokirchneriella subcapitata (Korshikov) Hindak, was assessed by the co-cultivation of the two selected strains, as well as by the chemical analysis of exudates from the culture media of single strain cultu...

journal_title：Journal of chemical ecology

authors： DellaGreca M,Zarrelli A,Fergola P,Cerasuolo M,Pollio A,Pinto G

更新日期：2010-03-01 00:00:00

abstract：:Seasonal changes in the production of primary nutrients (soluble carbohydrates) and secondary metabolites (terpenes, monomeric phenolics, and tannins) in the current needle tissue of Douglas fir were investigated. All four classes of compounds showed significant seasonal changes in concentration during foliage develop...

journal_title：Journal of chemical ecology

authors： Zou J,Cates RG

更新日期：1995-04-01 00:00:00

abstract：:Yeast-insect interactions have been well characterized in drosophilid flies, but not in tephritid fruit flies, which include many highly polyphagous pest species that attack ripening fruits. Using the Queensland fruit fly (Bactrocera tryoni) as our model tephritid species, we identified yeast species present in the gu...

journal_title：Journal of chemical ecology

authors： Piper AM,Farnier K,Linder T,Speight R,Cunningham JP

更新日期：2017-09-01 00:00:00

abstract：:The behavioral response of female alfalfa seed chalcids is dependent on the polarization of sky light when exposed to olfactory stimuli between 1100 and 1500 hr. Females made no orientation flights to or landings on eight unbaited targets, but when half the targets were baited with the host-plant odor of hexyl acetate...

journal_title：Journal of chemical ecology

authors： Kamm JA

更新日期：1990-02-01 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：:Dendroctonus ponderosae Hopkins andIps paraconfusus Lanier of both sexes produced most of their complement of terpene alcohols at normal to elevated levels in the absence of readily culturable microorganisms. However, there was some evidence that microbial involvement may be required by maleI. paraconfusus to produce ...

journal_title：Journal of chemical ecology

authors： Hunt DW,Borden JH

更新日期：1989-05-01 00:00:00

abstract：:Communication during tandem running inPachycondyla obscuricornis is chemically mediated by a pheromone produced in the pygidial gland, which is composed of a cluster of gland cells and an associated reservoir located beween the 6th and 7th tergites of the gaster. The secretion of the gland appears to be transferred to...

journal_title：Journal of chemical ecology

authors： Traniello JF,Hölldobler B

更新日期：1984-05-01 00:00:00

abstract：:(Z)-5-Tetradecenyl acetate and tetradecyl acetate were identified as sex pheromone components of an unnamedPlanotortrix leafroller moth species found onAvicennia resinifera (mangrove). An equal mixture of the two compounds used as bait gave field trap catches at least as good as those baited with caged virgin females....

journal_title：Journal of chemical ecology

authors： Foster SP,Clearwater JR,Roelofs WL

更新日期：1987-03-01 00:00:00

abstract：:A previous study showed that Sitka black-tailed deer (Odocoileus hemionus sitkensis) consumption was negatively correlated with monoterpene content in western redcedar (Thuja plicata). To test whether these monoterpenes were deterrent to Sitka black-tailed deer, we performed feeding choice experiments with four hydroc...

journal_title：Journal of chemical ecology

authors： Vourc'h G,De Garine-Wichatitsky M,Labbé A,Rosolowski D,Martin JL,Fritz H

更新日期：2002-12-01 00:00:00

abstract：:This work reports the development and use of techniques for characterizing volatile chemicals emitted by the multicolored Asian lady beetle, Harmonia axyridis (Pallas) (Coleoptera: Coccinellidae), in an effort to identify the semiochemicals involved in establishment and persistence of overwintering beetle aggregations...

journal_title：Journal of chemical ecology

authors： Brown AE,Riddick EW,Aldrich JR,Holmes WE

更新日期：2006-11-01 00:00:00