Effect of birch (Betula pendula) bark and food protein level on root voles (Microtus oeconomus): II. detoxification capacity.

abstract：:Calocedrus formosana Florin (Cupressaceae) is an endemic tree species in Taiwan; its timber is recognized for natural decay resistance. To examine the antitermitic and antifungal activities of leaf essential oil and its main constituents, C. formosana leaves were extracted and the essential oils analyzed by GC-MS. Bio...

journal_title：Journal of chemical ecology

authors： Cheng SS,Wu CL,Chang HT,Kao YT,Chang ST

更新日期：2004-10-01 00:00:00

abstract：:Courtship inCardiochiles nigriceps (Viereck) (Hymenoptera: Braconidae) involves male attraction to females and male antennation of females followed by mounting and copulation. Once the female is located, antennation and mounting of the female are mediated by the hydrocarbon fraction of female's Dufour's gland and cuti...

journal_title：Journal of chemical ecology

authors： Syvertsen TC,Jackson LL,Blomquist GJ,Vinson SB

更新日期：1995-12-01 00:00:00

abstract：:Plant defensive compounds may be a cost rather than a benefit when plants are attacked by specialist insects that may overcome chemical barriers by strategies such as sequestering plant compounds. Plants may respond to specialist herbivores by compensatory growth rather than chemical defense. To explore the use of def...

journal_title：Journal of chemical ecology

authors： Arab A,Trigo JR

更新日期：2011-05-01 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：:Chemosensory proteins (CSPs) have been proposed to capture and transport hydrophobic chemicals to receptors on sensory neurons. We identified and cloned 24 CSP genes to better understand the physiological function of CSPs in Helicoverpa armigera. Quantitative real-time polymerase chain reaction assays indicate that CS...

journal_title：Journal of chemical ecology

authors： Li ZQ,Zhang S,Luo JY,Zhu J,Cui JJ,Dong SL

更新日期：2015-05-01 00:00:00

abstract：:The invasive clonal plant Wedelia trilobata contains higher levels of ent-kaurane diterpenes, which are precursors of gibberellins (GAs), and higher rates of clonal growth than its native congener W. chinensis in invaded habitats. We hypothesized that the higher levels of endogenous GAs facilitate greater ramet growth...

journal_title：Journal of chemical ecology

authors： Dai ZC,Fu W,Qi SS,Zhai DL,Chen SC,Wan LY,Huang P,Du DL

更新日期：2016-02-01 00:00:00

abstract：:Oxytropis lambertii has been considered to be one of the major locoweeds responsible for livestock poisoning on rangelands, but there has been much confusion as to its taxonomic identity. The objective of this study was to conduct a field survey of several populations of each of the three varieties [var. lambertii Pur...

journal_title：Journal of chemical ecology

authors： Ralphs MH,Welsh SL,Gardner DR

更新日期：2002-04-01 00:00:00

abstract：:Egg deposition by the Large Cabbage White butterfly Pieris brassicae on Brussels sprouts plants induces indirect defense by changing the leaf surface, which arrests the egg parasitoid Trichogramma brassicae. Previous studies revealed that this indirect defense response is elicited by benzyl cyanide (BC), which is pres...

journal_title：Journal of chemical ecology

authors： Blenn B,Bandoly M,Küffner A,Otte T,Geiselhardt S,Fatouros NE,Hilker M

更新日期：2012-07-01 00:00:00

abstract：:The relative activities of 10 glucosinolates in stimulating oviposition byP. rapae andP. napi oleracea were compared under the same conditions. When tested at the same concentration, the structurally different glucosinolates stimulated both butterfly species to widely varying degrees. In most cases,P. rapae was more s...

journal_title：Journal of chemical ecology

authors： Huang X,Renwick JA

更新日期：1994-05-01 00:00:00

abstract：:Defensive mutualism is widely accepted as providing the best framework for understanding how seed-transmitted, alkaloid producing fungal endophytes of grasses are maintained in many host populations. Here, we first briefly review current knowledge of bioactive alkaloids produced by systemic grass-endophytes. New findi...

journal_title：Journal of chemical ecology

authors： Saikkonen K,Gundel PE,Helander M

更新日期：2013-07-01 00:00:00

abstract：:The major volatile components in the extract of the female sex pheromone gland ofAmorbia cuneana consisted of (E,E)- and (E,Z)-10,12-tetradecadien-1-ol acetates. The identification was based on electroantennogram bioassay of gas Chromatographic effluent from sex pheromone gland extract, relative retention times on pol...

journal_title：Journal of chemical ecology

authors： McDonough LM,Hoffmann MP,Bierlleonhardt BA,Smithhisler CL,Bailey JB,Davis HG

更新日期：1982-01-01 00:00:00

abstract：:Previous studies have shown that menstrual cycle length and fertility are affected by a regular pattern of either: (1) intimate contact with men; or (2) contact with extracts from male axillary secretions; and (3) the axillary extracts of women. Experiments utilizing axillary extracts employed a controlled, double-bli...

journal_title：Journal of chemical ecology

authors： Preti G,Cutler WB,Christensen CM,Lawley H,Huggins GR,Garcia CR

更新日期：1987-04-01 00:00:00

abstract：:Four species of Acridoidea were fed on wheat leaves with and without the condensed tannin, quebracho. In no case was it deleterious to survival and growth at levels below about 10% dry weight on the food. Similarly, consumption, digestibility, and utilization of food were unaffected at up to 10% dry weight. At higher ...

journal_title：Journal of chemical ecology

authors： Bernays EA,Chamberlain DJ,Leather EM

更新日期：1981-03-01 00:00:00

abstract：:2-Methyl-1,4-benzoquinone (toluquinone) and 2-methoxy-3-methyl-1,4-benzoquinone are the most common components of defensive secretions of juliform millipedes (Diplopoda: Juliformia). A natural and a synthetic millipede-defensive secretion composed of these two substances attract dung beetles of a few Onthophagus speci...

journal_title：Journal of chemical ecology

authors： Schmitt T,Krell FT,Linsenmair KE

更新日期：2004-04-01 00:00:00

abstract：:Lespedeza cuneata contains high levels of phenolics and is a common food plant of the meadow vole (Microtus pennsylvanicus);Penstemon digitalis contains substantial quantities of alkaloids and is a common food plant of meadow voles and prairie voles (M. ochrogaster). We investigated the palatability of these plants an...

journal_title：Journal of chemical ecology

authors： Lindroth RL,Batzli GO,Avildsen SI

更新日期：1986-03-01 00:00:00

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 leading hypothesis for the evolution of the metal hyperaccumulation trait in plants is as a defense against herbivores. A central piece of evidence expected for this hypothesis is that plants benefit from herbivores being deterred from eating high metal tissues. While many studies have investigated whether or not ...

journal_title：Journal of chemical ecology

authors： Vesk PA,Reichman SM

更新日期：2009-03-01 00:00:00

abstract：:This study describes the identification of an aggregation pheromone for the pepper weevil,Anthonomus eugenii and field trials of a synthetic pheromone blend. Volatile collections and gas chromatography revealed the presence of six male-specific compounds. These compounds were identified using chromatographic and spect...

journal_title：Journal of chemical ecology

authors： Eller FJ,Bartelt RJ,Shasha BS,Schuster DJ,Riley DG,Stansly PA,Mueller TF,Shuler KD,Johnson B,Davis JH,Sutherland CA

更新日期：1994-07-01 00:00:00

abstract：:The egg dispersion strategy of the olive fruit flyDacus oleae, which is dependent on chemicals from the fruit, was investigated. In particular, the exact role ofo-diphenolic compounds, such as the typical olive glucosides, oleuropein and demethyloleuropein, and their derivatives was clarified. It appears that the stro...

journal_title：Journal of chemical ecology

authors： Lo Scalzo R,Scarpati ML,Verzegnassi B,Vita G

更新日期：1994-08-01 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：:Racemicezo-brevicomin, racemic frontalin, and myrcene were released at two proportions (5∶1∶400 and 1∶1∶1), each at three levels (1 ×, 10 ×, and 100 ×) in a ponderosa pine forest in central California. The 5∶1∶400 mix was based on an estimate of the relative amounts released from a ponderosa pine under attack by the w...

journal_title：Journal of chemical ecology

authors： Tilden PE,Bedard WD

更新日期：1985-06-01 00:00:00

abstract：:Many compounds related to (+)-bornyl acetate (a sex phero-mone mimic of the American cockroach) were synthesized and tested for sex pheromonal activity. All compounds except for esters of (+)- and (-)-borneol were inactive, whereas (+)-bornyl acetate (Ib) and propionate (Ic) showed the activity at 0.05 mg. Although (-...

journal_title：Journal of chemical ecology

authors： Manabe S,Nishino C

更新日期：1983-03-01 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

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：:In field tests in Europe, traps baited with a blend of isoamyl alcohol, acetic acid, and isobutanol (compounds previously found attractive to a number of noctuids in North America) caught the following noctuid moths: Agrotis segetum Schiff., Agrotis crassa Hbn., Agrotis exclamationis L., Amathes (Xestia) c-nigrum L., ...

journal_title：Journal of chemical ecology

authors： Tóth M,Szarukán I,Dorogi B,Gulyás A,Nagy P,Rozgonyi Z

更新日期：2010-06-01 00:00:00

abstract：:Individual families of gypsy moth collected from a single population exhibited different degrees of fitness when fed diets of white alder, a suitable broadleaf host, and Douglas-fir, an unsuitable conifer host. Members of families on diets of Douglas-fir had significantly lower survival, longer larval periods, lower p...

journal_title：Journal of chemical ecology

authors： Joseph G,Miller JC,Berry RE,Wernz J,Moldenke AF,Kelsey RG

更新日期：1991-09-01 00:00:00

abstract：:The attractiveness to male navel orangeworm moth, Amyelois transitella, of various combinations of a four-component pheromone blend was measured in wind-tunnel bioassays. Upwind flight along the pheromone plume and landing on the odor source required the simultaneous presence of two components, (11Z,13Z)-hexadecadiena...

journal_title：Journal of chemical ecology

authors： Kanno H,Kuenen LP,Klingler KA,Millar JG,Cardé RT

更新日期：2010-06-01 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：:Carrion beetles of the subfamily Nicrophorinae search and bury a carcass that they utilize for reproduction. After burial, the carcass is coated with oral secretions that delay its decomposition. Previously, oral secretions of Nicrophorus marginatus were found to show antimicrobial activity, whereas secretion of N. ca...

journal_title：Journal of chemical ecology

authors： Jacques BJ,Akahane S,Abe M,Middleton W,Hoback WW,Shaffer JJ

更新日期：2009-08-01 00:00:00

abstract：:The sweetpotato weevil, Cylas formicarius (Fabricius) (Coleoptera: Brentidae), is the most serious pest of sweetpotato around the world, damaging sweetpotatoes in the field and in storage, as well as being a quarantine pest. Because the larval period is spent within vines or tubers, and the adults are nocturnal, chemi...

journal_title：Journal of chemical ecology

authors： Reddy GV,Gadi N,Taianao AJ

更新日期：2012-07-01 00:00:00