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 uninfested area, whereas large-scale experiments used a high natural population of C. nasturtii. Effectiveness of mating disruption was evaluated by the reduction of male captures in pheromone traps, and by reduction of crop damage caused by C. nasturtii. Dental cotton rolls (small-scale experiment) and polyethylene caps (large-scale experiment), containing 50 μg (2S, 9S)-diacetoxyundecane, 100 μg (2S,10S)-diacetoxyundecane, and 1 μg (2S)-acetoxyundecane, spaced 2 m apart, served as dispensers in the test plots. In both experiments, mean catches of C. nasturtii males in pheromone traps were reduced to near zero in treated plots, with control plots averaging 71 males/trap. In the large-scale experiments, no males were caught in pheromone traps over a period of 41 days after mating disruption was applied; one male was caught from days 42-60. In the small-scale trials, crop damage was reduced by 59 %, compared to the untreated control plot. In the large-scale experiments, damage was reduced on average by 91 %. This study shows successful field application of the mating disruption technique for control of a member of the dipteran family Cecidomyiidae, and demonstrates that pheromone-based mating disruption has potential for management of C. nasturtii populations.
journal_name
J Chem Ecoljournal_title
Journal of chemical ecologyauthors
Samietz J,Baur R,Hillbur Ydoi
10.1007/s10886-012-0180-0subject
Has Abstractpub_date
2012-09-01 00:00:00pages
1171-7issue
9eissn
0098-0331issn
1573-1561journal_volume
38pub_type
杂志文章abstract：:Lizards communicate with others via chemical signals, the composition of which may vary among species. Although the selective pressures and constraints affecting chemical signal diversity at the species level remain poorly understood, the possible role of diet has been largely neglected. The chemical signals of many l...
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pub_type： 杂志文章
doi：10.1007/BF00983772
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pub_type： 杂志文章
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更新日期：1991-05-01 00:00:00
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更新日期：2010-03-01 00:00:00
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pub_type： 杂志文章
doi：10.1007/BF00993728
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pub_type： 杂志文章
doi：10.1007/BF01014083
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