Antitermitic and antifungal activities of essential oil of Calocedrus formosana leaf and its composition.

abstract：:The ontogeny of the five queen mandibular gland semiochemicals that initiate and maintain the retinue behavior of worker honeybees was investigated by quantitative splitless capillary gas chromatography. No detectable pheromone is present at the time of eclosion, but decenoic acid levels build up rapidly during the fi...

journal_title：Journal of chemical ecology

authors： Slessor KN,Kaminski LA,King GG,Winston ML

更新日期：1990-03-01 00:00:00

abstract：:Ageratum conyzoides L. weed often invades cultivated fields and reduces crop productivity in Southeast Asia and South China. However, intercropping this weed in citrus orchards may increase the population of predatory mite Amblyseius newsami, an effective natural enemy of citrus red mite Panonychus citri, and keep the...

journal_title：Journal of chemical ecology

authors： Kong C,Hu F,Xu X,Zhang M,Liang W

更新日期：2005-09-01 00:00:00

abstract：:The iridoid glucoside, antirrhinoside, is constitutively distributed throughout Antirrhinum majus L. in a manner consistent with its possible role as an allelochemical, but there is no evidence that it has a defensive function with respect to insect herbivory. To address this question, two generalist herbivores, Lyman...

journal_title：Journal of chemical ecology

authors： Beninger CW,Cloutier RR,Grodzinski B

更新日期：2008-05-01 00:00:00

abstract：:A current model of amino acid chemoreception has generated the idea that pH affects the efficiency of stimulus-receptor binding by altering the charge distribution on stimulus molecules. The model suggests that amino acids are maximally stimulatory near their isoelectric points. We point out that, within a broad range...

journal_title：Journal of chemical ecology

authors： Tierney AJ,Atema T

更新日期：1988-01-01 00:00:00

abstract：:High foliar phenolics are generally assumed to increase resistance to insect herbivores, but recent studies show that tobacco lines modified to over- and underexpress phenolics do not exhibit higher constitutive resistance to caterpillars. This is contrary to the expectation that ingestion of tobacco phenolics, partic...

journal_title：Journal of chemical ecology

authors： Johnson KS,Felton GW

更新日期：2001-12-01 00:00:00

abstract：:Tetrapedia diversipes and other Apidae (Anthophoridae) may be deceived by floral similarities between Malpighiaceae and Orchidaceae of the Oncidiinae subtribe. The latter do not usually exudate floral oils. Thus, visitors may pollinate the flowers in a deceit/food/pollination syndrome. We studied the chemical composit...

journal_title：Journal of chemical ecology

authors： Reis MG,de Faria DA,dos Santos IA,Amaral Mdo C,Marsaioli AJ

更新日期：2007-07-01 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：:Moths belonging to the speciesSpodoptera sunia have been recognized as a new pest of cotton in Central America. By means of electro-physiologic investigations, solid sample injection gas chromatography, and combined gas chromatography-mass spectrometry, (Z)-9-tetradecenyl acetate, (9Z,12E)-9,12-tetradecadienyl acetate...

journal_title：Journal of chemical ecology

authors： Bestmann HJ,Attygalle AB,Schwarz J,Vostrowsky O,Knauf W

更新日期：1988-02-01 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 response of theCeutorhynchus assimilis antenna to volatiles in air entrainment-derived extracts of oilseed rape,Brassica napus, was studied using coupled gas chromatography (GC)-electroantennography (EAG) and coupled GC-single cell recording (SCR). By means of these techniques and coupled gas chromatography-mass s...

journal_title：Journal of chemical ecology

authors： Blight MM,Pickett JA,Wadhams LJ,Woodcock CM

更新日期：1995-11-01 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：:This study was performed on virgin females ofCulicoides nubeculosus to determine sites of production and emission of sex pheromone. The ventral abdominal surface is the site of emission of the pheromone. Morphologically there is evidence of the presence of abdominal atrichial areas. The abdominal areas, eight per segm...

journal_title：Journal of chemical ecology

authors： Ismail MT,Zachary D

更新日期：1984-09-01 00:00:00

abstract：:Early theories on plant chemical defense against herbivory emphasized that apparent and unapparent plants were primarily defended by different types of compounds. More and more evidence suggests that both quantitative and qualitative defenses are found in apparent plants and that they can play a defensive role against...

journal_title：Journal of chemical ecology

authors： Barbosa P,Gross P,Provan GJ,Pacheco DY,Stermitz FR

更新日期：1990-05-01 00:00:00

abstract：:The silkworm Bombyx mori is a molecular genetic model for the Lepidoptera. Its odorant receptor genes have been described, and preliminary studies suggest that several are expressed specifically in the larval caterpillar stage. This study was undertaken to identify olfactory behaviors specific to the larvae. A two-cho...

journal_title：Journal of chemical ecology

authors： Mooney AC,Robertson HM,Wanner KW

更新日期：2009-05-01 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：:The grass webworm Herpetogramma licarsisalis (Lepidoptera: Crambidae), which has recently established in pasture in Northland, New Zealand, is an important pest of many tropical and subtropical grasses. Two pheromone components, (Z)-11-hexadecen-1-yl acetate (Z11-16:Ac) and (11Z,13E)-hexadecadien-1-yl acetate (Z11,E13...

journal_title：Journal of chemical ecology

authors： Gibb AR,Suckling DM,El-Sayed AM,Bohman B,Unelius CR,Dymock JJ,Larsen ML,Willoughby BE

更新日期：2007-04-01 00:00:00

abstract：:Male Pieris napi butterflies previously have been shown to synthesize and transfer an antiaphrodisiac, methyl salicylate (MeS), to females at mating. This substance curtails courtship and decreases the likelihood of female remating. Here, we show that similar systems occur in Pieris rapae and Pieris brassicae. In P. r...

journal_title：Journal of chemical ecology

authors： Andersson J,Borg-Karlson AK,Wiklund C

更新日期：2003-06-01 00:00:00

abstract：:The ability to cope with plant defense chemicals differs between specialist and generalist species. In this study, we examined the effects of the concentration of the two main iridoid glycosides (IGs) in Plantago lanceolata, aucubin and catalpol, on the performance of a specialist and two generalist herbivores and the...

journal_title：Journal of chemical ecology

authors： Reudler JH,Biere A,Harvey JA,van Nouhuys S

更新日期：2011-07-01 00:00:00

abstract：:Mammalian scent marking is often associated with territorial defense. However, males and females may demonstrate different activity patterns and play different roles. Female mammals nurture the young during lactation, while males purportedly perform other tasks more frequently, such as territorial maintenance and defe...

journal_title：Journal of chemical ecology

authors： Rosell F,Thomsen LR

更新日期：2006-06-01 00:00:00

abstract：:The presence of a stable radical species in both fresh straw and that which had been submerged in aerated water for up to six months has been demonstrated using electron paramagnetic (spin) resonance (EPR or ESR) spectroscopy. A radical signal was associated also with material shown to contain straw lignin markers, wh...

journal_title：Journal of chemical ecology

authors： Pillinger JM,Cooper JA,Harding CJ

更新日期：1996-05-01 00:00:00

abstract：:The effects of differential leaf water, leaf nitrogen and cyclic hydroxamate (DIMBOA) concentrations in corn seedlings were analyzed for a polyphagous insect, the southern armyworm (Spodoptera eridania Cram.). Six different combinations of nutrients and allelochemicals [DIMBOA = 2,4-dihydroxy-7-methoxy(2H)-benzoxazin-...

journal_title：Journal of chemical ecology

authors： Manuwoto S,Scriber JM

更新日期：1985-11-01 00:00:00

abstract：:The hydrocarbons of honeybee comb wax vary significantly between colonies. This variation is explained in part by genetic (familial) differences among colonies. Even though significant differences in wax hydrocarbons exist among families, there is a high level of consistency within and among families in a correlation ...

journal_title：Journal of chemical ecology

authors： Breed MD,Page RE Jr,Hibbard BE,Bjostad LB

更新日期：1995-09-01 00:00:00

abstract：:Chemoreception in the adults of the freshwater prawnMacrobrachium rosenbergii was investigated under controlled laboratory conditions, using behavioral assays. Tests were carried out on groups, as well as on individuals, all at their intermolt stages of the molt cycle, and prestarved for three to four days. Of 28 diff...

journal_title：Journal of chemical ecology

authors： Harpaz S,Kahan D,Galun R,Moore I

更新日期：1987-09-01 00:00:00

abstract：:Analysis by gas chromatography (GC) and GC-mass spectroscopy disclosed that droplets of anal fluid produced by second-instar western flower thrips,Frankliniella occidentalis (Pergande) (Thysanoptera: Thripidae), contain a two-component alarm pheromone, comprised of decyl acetate and dodecyl acetate, in a molar ratio o...

journal_title：Journal of chemical ecology

authors： Teerling CR,Pierce HD Jr,Borden JH,Gillespie DR

更新日期：1993-04-01 00:00:00

abstract：:Female smaller tea tortrix mothsAdoxophyes sp. (Lepidoptera: Tortricidae), which initiated calling at 1, 2, or 3 days old, respectively, were analyzed individually for (Z)-11-tetradecenyl acetate (Z11-14:OAc) and (Z)-9-tetradecenyl acetate (Z9-14: OAc) in the pheromone gland via GLC. Among different age groups, broad ...

journal_title：Journal of chemical ecology

authors： Kou R,Chow YS

更新日期：1991-09-01 00:00:00

abstract：:Straight-chained lepidopteran pheromones are now regulated under a group standard in New Zealand, which is generic for moth pheromone products of similar low risk, under the Hazardous Substances and New Organisms Act (1996). This means that compliant new pheromone products can be developed and commercialized with low ...

journal_title：Journal of chemical ecology

authors： Suckling DM,El-Sayed AM,Walker JT

更新日期：2016-07-01 00:00:00

abstract：:A system is described for the collection of volatiles produced by plants and insects that minimizes stresses on the plant or insect in an environment that is free from chemical impurities. Air entering a volatile collection chamber containing insects and/or plants was purified using a nonwoven fabric medium infused wi...

journal_title：Journal of chemical ecology

authors： Heath RR,Manukian A

更新日期：1992-07-01 00:00:00

abstract：:The effect of cacalol and extracts (water and petroleum ether) derived from the roots ofPsacalium decompositum (Asteraceae) on the germination and radicle growth of two plants.Amaranthus hypochondriacus (Amaranthaceae) andEchinochloa crusgalli (Poaceae), and on the radial growth of four phytopathogenic fungi is descri...

journal_title：Journal of chemical ecology

authors： Anaya AL,Hernández-Bautista BE,Torres-Barragán A,León-Cantero J,Jiménez-Estrada M

更新日期：1996-03-01 00:00:00

abstract：:Acetic, propionic, butyric, isobutyric, valeric, and isovaleric acids have been identified in extracts of the excreta of the house cricket,Acheta domesticus (L.), by gas-liquid chromatography. Solutions of propionic acid applied to filter paper aggregated 1- to 2-week-old larvae, while solutions of acetic, butyric, va...

journal_title：Journal of chemical ecology

authors： McFarlane IE,Steeves E,Alli I

更新日期：1983-09-01 00:00:00

abstract：:Termite societies are abundant in the tropics, and are therefore exposed to multiple enemies and predators, especially during foraging activity. Soldiers constitute a specialized defensive caste, although workers also participate in this process, and even display suicidal behavior, which is the case with the species N...

journal_title：Journal of chemical ecology

authors： Costa-Leonardo AM,da Silva IB,Janei V,Esteves FG,Dos Santos-Pinto JRA,Palma MS

更新日期：2019-09-01 00:00:00