Codling Moth
1
Sex Pheromone: Baits for Mass Trapping and Population Survey
2

Maitlen, J. C.; McDonough, L. M.; Moffiti, H. R.; George, Donald A. R.

doi:10.1093/ee/5.1.199

Cited by 37 publications

(24 citation statements)

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“…Maitlen et al (21) showed that codlemone exhibited a first-order release rate from rubber septa, where initially a high amount of codlemone was released followed by a gradual decline in the release rate over time. Based on their calculations, they reported that a 1-mg lure should provide optimal attraction for codling moth for up to 4 weeks, whereas a 5-mg lure would remain effective for more than 4 months.…”

Section: Introductionmentioning

confidence: 99%

Effects of pheromone loading, dispenser age, and trap height on pheromone trap catches of the oriental fruit moth in apple orchards

et al. 2006

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Section: Introductionmentioning

confidence: 99%

Effects of pheromone loading, dispenser age, and trap height on pheromone trap catches of the oriental fruit moth in apple orchards

et al. 2006

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“…2). Despite the apparent good results obtained by Maitlen et al (1976) with CH 2 Cl 2 , and its subsequent use by McDonough (1979, 1981), loading septa with CH 2 Cl 2 in this study resulted in greater variability of pheromone release ratios than the other three solvents. CH 2 Cl 2 also impacted the mean day-one OH:Ac ratios, as they were significantly higher from septa loaded with CH 2 Cl 2 vs. those loaded with pheromone in pentane, hexane and MTBE (P<0.05; Figs.…”

Section: Effects Of Solvent Type and Loading Volume On Ofm Pheromonementioning

confidence: 67%

“…Septa Extractions In addition to volatile collections, we employed extraction methods to determine if analytes were lost during solvent evaporation after dosing rubber septa (see Maitlen et al 1976). Freshly loaded septa were extracted with hexane after they had aged overnight (~16 hr).…”

Section: Effect Of Solvent Type and Volume On Ofm Pheromone Releasementioning

confidence: 99%

“…Most early methods involved indirect measurement of pheromone release by extracting residual pheromone from the pheromone-dosed substrate and then calculating the loss of pheromone from the initial time of loading (e.g., McDonough 1979, 1981;Maitlen et al 1976). With replicated substrates, authors calculated the average release ratios over time spans of multiple hours to many weeks.…”

Section: Introductionmentioning

confidence: 99%

“…During testing of the capillary volatile traps (Kuenen and Hicks 2015), we noted that release ratios of synthetic OFM pheromone from rubber septa were quite variable. Further, Maitlen et al (1976) noted that different solvents used to load septa impacted the amount of pheromone that was recoverable (by extraction) from their test septa, indicating solvent type can be a source of release variability.…”

Section: Introductionmentioning

confidence: 99%

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Measure Your Septa Release Ratios: Pheromone Release Ratio Variability Affected by Rubber Septa and Solvent

Kuenen

Siegel

2015

J Chem Ecol

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The type of solvent and the volume used to load pheromone components onto rubber septa had significant effects on pheromone release ratios, the variability of those release ratios, and the recoverability of the volatile components during subsequent extraction with hexane. Volatile release ratios of synthetic Oriental fruit moth (OFM) pheromone and additional volatile compounds were determined using a gas chromatograph column as a volatile trap for rapid (≤1 hr) analysis from individual rubber septa. Volatile compound solutions were prepared in hexane, pentane, CH2Cl2, and methyl tert-butyl ether, and a 10, 33, or 100 μl aliquot of each solution was applied to rubber septa. Septa loaded with 100 μl of CH2Cl2 emitted significantly (P < 0.05) higher alcohol: acetate (OH:Ac) ratios than septa loaded with the other solvents, which were all similar. Release ratios of the alcohol and acetate components of the OFM pheromone components were assessed over a 3 week period using septa loaded with each solvent. Regardless of loading solvent, the OFM OH:Ac ratios declined logarithmically over 3 weeks; however, the decay slope from septa loaded with CH2Cl2 solutions was different from those of the other three solvents, which were nearly all the same. A high variability in OH:Ac release ratios was measured overall, regardless of the solvent used or the volume it was applied in. Four compounds of near-equal mass: 1-dodecanol, 1-dodecanal, methyl decanoate, and tridecane emitted different release ratios dependent on the solvent, hexane or CH2Cl2, with which a septum was loaded. The more polar and the greater the mass of the test compound, the slower it was emitted from a septum regardless of solvent. These combined results plus comparisons to earlier reports, suggest that researchers should empirically assess the release ratios from septa to be used in bioassays rather than just reporting the type of septum, ratios of compounds applied and solvent used to prepare them.

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Techniques for Extracting and Collecting Sex Pheromones from Live Insects and from Artificial Sources

Golub

Weatherston

1984

Techniques in Pheromone Research

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Codling Moth 1 Sex Pheromone: Baits for Mass Trapping and Population Survey 2

Cited by 37 publications

References 0 publications

Effects of pheromone loading, dispenser age, and trap height on pheromone trap catches of the oriental fruit moth in apple orchards

Effects of pheromone loading, dispenser age, and trap height on pheromone trap catches of the oriental fruit moth in apple orchards

Measure Your Septa Release Ratios: Pheromone Release Ratio Variability Affected by Rubber Septa and Solvent

Techniques for Extracting and Collecting Sex Pheromones from Live Insects and from Artificial Sources

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