An equilibrium and stability study of Δ(1)-pyrroline.

abstract：:Experiments were conducted in commercial apple orchards to determine if improved efficiencies in pheromone delivery may be realized by using aerosol pheromone dispensers for codling moth (CM), Cydia pomonella L., mating disruption. Specifically, we tested how reducing: pheromone concentration, period of dispenser oper...

journal_title：Journal of chemical ecology

authors： McGhee PS,Miller JR,Thomson DR,Gut LJ

更新日期：2016-07-01 00:00:00

abstract：:Artemisinin, a sesquiterpene lactone produced in the leaves ofArtemisia annua, was evaluated for its phytotoxicity in mono- and dicotyledonous plants. Artemisinin inhibited seed germination, seedling growth, and root induction in all species tested. The concentration of artemisinin required for 50% inhibition ofLemna ...

journal_title：Journal of chemical ecology

authors： Chen PK,Leather GR

更新日期：1990-06-01 00:00:00

abstract：:We have developed a flexible, moderately priced, behavioral analysis system which has been used to determine the response of salmonids to certain olfactory stimulants. The system, which we call ITS for interactive computer-video tracking system, consists of a 128K Apple IIe computer with software, a video camera and v...

journal_title：Journal of chemical ecology

authors： Royce-Malmgren CH,Watson WH 3rd

更新日期：1987-05-01 00:00:00

abstract：:The mating behaviour of the signal crayfish, Pacifastacus leniusculus (Dana), has been categorised into seven distinct stages: orientation; contact; seizure; turning; mounting; spermatophore deposition; and dismounting. These categories were used in the development of a bioassay to test whether mature females release ...

journal_title：Journal of chemical ecology

authors： Stebbing PD,Bentley MG,Watson GJ

更新日期：2003-02-01 00:00:00

abstract：:Calling behavior and pheromone emission by virgin femaleE. loftini moths were investigated in laboratory experiments. Calling peaked during the last three hours of the night. Three-day-old moths called more than older or younger moths and began calling earlier in the night than younger moths. Female emissions were col...

journal_title：Journal of chemical ecology

authors： Robacker DC,Johnson KJ

更新日期：1989-01-01 00:00:00

abstract：:Sasa (Sasa cernua Makino) is a very serious weed pest. Its allelopathy was studied using lettuce, wheat, timothy, and green amaranth as testing species. Cultured in the rhizosphere soil ofSasa cernua, the seedlings were inhibited by 42-80% compared with the controls cultured in normal soil and vermiculite. The phenoli...

journal_title：Journal of chemical ecology

authors： Li HH,Nishimura H,Hasegawa K,Mizutani J

更新日期：1992-10-01 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：:Populations ofAedes sierrensis (Ludlow) completed development in tannic acid solutions over a wide concentration range (i.e., 0-1.0 g/liter) in artificial microcosms exposed to field conditions. The most notable effects of high tannic acid concentration were to slow larval developmental rates and to reduce numbers of ...

journal_title：Journal of chemical ecology

authors： Mercer DR

更新日期：1993-06-01 00:00:00

abstract：:Although several studies have elucidated the role of plant epicuticular waxes in host recognition and oviposition by herbivorous insects, there is little known about this subject in Chrysomelidae. In the present study, chemical cues for host recognition behavior and oviposition by the monophagous chrysomelid species C...

journal_title：Journal of chemical ecology

authors： Müller C,Hilker M

更新日期：2001-05-01 00:00:00

abstract：:The free-living soil nematodeCaenorhabditis elegans forms a nonfeeding dispersal stage at the second molt called the dauer larva when exposed to environmental cues indicating crowding and limited food. An improved bioassay, tenfold more sensitive than that used previously, has been used in the characterization of the ...

journal_title：Journal of chemical ecology

authors： Golden JW,Riddle DL

更新日期：1984-08-01 00:00:00

abstract：:Avoidance of occupied ovisposition sites supposes that females perceive information related to their own progency. Fatty acids identified from egg extracts have been reevaluated using a different extraction method, and we have investigated the dose-dependent oviposition response of European grape vine moths (Lobesia b...

journal_title：Journal of chemical ecology

authors： Gabel B,Thiéry D

更新日期：1996-01-01 00:00:00

abstract：:Volatile components of Pachycoris stallii scent gland secretions and the bug's host plant, Croton californicus, were identified by gas chromatography and mass spectroscopy. The predominant compounds isolated from C. californicus fruit and leaves were beta-myrcene and beta-caryophyllene. Metathoracic gland secretions o...

journal_title：Journal of chemical ecology

authors： Williams L 3rd,Evans PE,Bowers WS

更新日期：2001-02-01 00:00:00

abstract：:In studies of feeding by the bark beetle, Ips paraconfusus, two pine stilbenes (pinosylvin and pinosylvin methyl ether), ferulic acid glucoside, and enantiomers of the four most common sugars present in ponderosa pine phloem (sucrose, glucose, fructose, and raffinose) did not stimulate or reduce male feeding when assa...

journal_title：Journal of chemical ecology

authors： McNee WR,Bonello P,Storer AJ,Wood DL,Gordon TR

更新日期：2003-05-01 00:00:00

abstract：:Mycorrhizas are the most important mutualistic symbioses on earth. The most prevalent type are the arbuscular mycorrhizas (AMs) that develop between roots of most terrestrial plants and fungal species of the Zygomycota. The AM fungi are able to grow into the root cortex forming intercellular hyphae from which highly b...

journal_title：Journal of chemical ecology

authors： Strack D,Fester T,Hause B,Schliemann W,Walter MH

更新日期：2003-09-01 00:00:00

abstract：:HPLC analysis of crude dichloromethane extracts of shaken liquid cultures of the hyphomycetous fungusTolypocladium geodes Gams revealed the presence of efrapeptins. These peptides, which have mitochondrial ATPase inhibitory activity as well as antifungal and insecticidal properties, are previously known only from the ...

journal_title：Journal of chemical ecology

authors： Krasnoff SB,Gupta S

更新日期：1991-10-01 00:00:00

abstract：:The subsocial tenebrionid Parastizopus armaticeps Pér. is parasitized by the closely related Eremostibes opacus Koch (Coleoptera: Tenebrionidae). We found that the pygidial defensive secretions of both species are similar and contain a mixture of 1,4-benzoquinones, 1-alkenes, and monoterpene hydrocarbons. The 1-alkene...

journal_title：Journal of chemical ecology

authors： Geiselhardt S,Szepat T,Rasa OA,Peschke K

更新日期：2006-04-01 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：:The potential for pheromone-based mating disruption of the Brassica pest Contarinia nasturtii was tested, both in small-scale plots with Brussels sprouts and in commercial-scale fields with either broccoli or cauliflower. Experiments in the small-scale plots used laboratory-reared insects released into a previously un...

journal_title：Journal of chemical ecology

authors： Samietz J,Baur R,Hillbur Y

更新日期：2012-09-01 00:00:00

abstract：:Lycopersicon hirsutum, a wild relative of the tomato, is highly resistant to arthropod herbivores. Both botanic forms ofL. hirsutum, L. hirsutum f.glabratum (C.H. Mull.) andL. hirsutum f.typicum (Humb. & Bonpl.), are resistant to two-spotted spider mites,Tetranychus urticae Koch. However, leaves and trichome secretion...

journal_title：Journal of chemical ecology

authors： Snyder JC,Guo Z,Thacker R,Goodman JP,Pyrek JS

更新日期：1993-12-01 00:00:00

abstract：:Broad bean plants (Viciafaba) infested by the pea aphid, Acyrthosiphonpisum, play akey role in the in-flightorientation of the parasitoidAphidius ervi, by producing host-induced synomones (HIS). These volatiles are herbivore-specific and are systemically released from insect-free parts of an infested plant, suggesting...

journal_title：Journal of chemical ecology

authors： Guerrieri E,Poppy GM,Powell W,Rao R,Pennacchio F

更新日期：2002-09-01 00:00:00

abstract：:Root herbivores can indirectly affect aboveground herbivores by altering the food quality of the plant. However, it is largely unknown whether plant genotypes differ in their response to root herbivores, leading to variable defensive phenotypes. In this study, we investigated whether root-feeding insect larvae (Agriot...

journal_title：Journal of chemical ecology

authors： Wurst S,Van Dam NM,Monroy F,Biere A,Van der Putten WH

更新日期：2008-10-01 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：:Given that the amplitude of diurnal temperature fluctuations has been decreasing, mainly via warmer night temperatures, we examined the effects of nighttime temperature on concentration of the catecholic phenolics chlorogenic acid and rutin in tomato plants. A two-factor design, with carbon dioxide (350 ppm and 700 pp...

journal_title：Journal of chemical ecology

authors： Bradfield M,Stamp N

更新日期：2004-09-01 00:00:00

abstract：:The Colorado potato beetle feeds only on glycoalkaloid-laden solanaceous plants, appears to be toxic to predators, and has aposematic coloration, suggesting the beetle may sequester alkaloids from its host plants. This study tested 4th instars and adults, as well as isolated hemolymph and excrement, to determine if th...

journal_title：Journal of chemical ecology

authors： Armer CA

更新日期：2004-04-01 00:00:00

abstract：:Jasmonic acid (JA) is a key molecule initiating plant defensive responses to herbivory. Our previous work has shown that this phytohormone is often present at high concentrations in eggs and neonates of lepidopteran species. In this work, we document the concentrations of JA found in various tissues of larval H. vires...

journal_title：Journal of chemical ecology

authors： Tooker JF,De Moraes CM

更新日期：2006-10-01 00:00:00

abstract：:Epinotia aporema (Walsingham) is a Neotropical pest of legumes in southern South America. Its importance has increased during the last decade owing to the significant growth of soybean production in the region. Monitoring of E. aporema is difficult due to the cryptic behavior of the larvae, and hence, chemical control...

journal_title：Journal of chemical ecology

authors： Altesor P,Rossini C,Zarbin PH,González A

更新日期：2009-03-01 00:00:00

abstract：:Flehmen (or "lipcurl") is a response of male mammals primarily to female urine, performed primarily during the reproductive season. To elucidate the components of female urine that release the Flehmen, urine of black-tailed deer (Odocoileus hemionus columbianus) was fractionated, and the fractions were presented to ca...

journal_title：Journal of chemical ecology

authors： Crump D,Swigar AA,West JR,Silverstein RM,Müller-Schwarze D,Altieri R

更新日期：1984-02-01 00:00:00

abstract：:Four litters of king snakes (Lampropeltis getulus), a snake-eating species, were tested for responses to chemicals from colubrid and crotaline snakes. King snakes presented with swabs rubbed against the dorsal skin of living snakes and with swabs treated with methylene chloride extracts of shed snake skins tongue-flic...

journal_title：Journal of chemical ecology

authors： Weldon PJ,Schell FM

更新日期：1984-10-01 00:00:00

abstract：:Parthenium (Parthenium hysterophorus L.) leaf residue (LP, leaf powder) inhibited salvinia (Salvinia molesta Mitchell) biomass and the number of healthy fronds at 0.25% (w/v) and killed the treated plants at and above 0.75% (w/v) in about 5-15 days, depending on the quantity of the residue. At the lethal dose, the LP ...

journal_title：Journal of chemical ecology

authors： Pandey DK

更新日期：1994-12-01 00:00:00

abstract：:The bearded weevil, Rhinostomus barbirostris (Coleoptera: Curculionidae: Dryophthorinae), attacks coconut trees, oil palms and other species of Arecaceae. Besides direct damage, R. barbirostris may be a vector of diseases in coconut and oil palms, such as stem bleeding (resinosis) and red ring disease. Currently, the ...

journal_title：Journal of chemical ecology

authors： Reis AC,Neta PLS,Jordão JP,Moura JIL,Vidal DM,Zarbin PHG,Fávaro CF

更新日期：2018-05-01 00:00:00