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Olive fly (Bactrocera oleae) activity, fruit infestation and temperature in an organic table olive orchard in southern Crete

Volakakis, Mr N.; Eyre, Dr M.D.; Kabourakis, Dr E. and Leifert, Prof C. (2008) Olive fly (Bactrocera oleae) activity, fruit infestation and temperature in an organic table olive orchard in southern Crete. Poster at: Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

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Summary

Olive fly activity and olive fruit infestation was monitored in a table olive orchard in southern Crete throughout most of 2006 using McPhail traps. Flies were trapped weekly for 40 weeks, starting at the beginning of February. The fly data was split into 10 four-week periods. Male, female and total fly activity was significantly related to sampling period, maximum temperature and relative humidity but the pattern of catches was not consistent. Activity increased from February until July but declined in August and was very low in September, October and November. The low activity in the last three months was reflected in low fruit infestation levels, with a maximum of 3.6% in October which contrasts with infestation levels usually around 30%. Olive fly mortality is high above 31oC and the average mean maximum temperature in the four months June-September was above 34oC. High summer temperatures, with low humidities, appear to have considerably limited olive fly activity and fruit infestation and pest control measures may have to be adapted to these conditions.


EPrint Type:Conference paper, poster, etc.
Type of presentation:Poster
Keywords:Olive fly, Bactrocera oleae, organic olives, temperature, climate
Subjects: Crop husbandry > Crop health, quality, protection
"Organics" in general
Research affiliation: International Conferences > 2008: IFOAM OWC: Research Track / ISOFAR > 8.2 Mediterranean crop production
European Union > QualityLowInputFood > Subproject 3: Crop production systems
Deposited By: Eyre, Dr M.D.
ID Code:11481
Deposited On:06 Oct 2008
Last Modified:12 Apr 2010 07:35
Document Language:English
Status:Published
Refereed:Peer-reviewed and accepted
Additional Publishing Information:This paper is published in the conference proceedings:
Neuhoff, Daniel; Halberg, Niels; Alfldi, Thomas; Lockeretz, William; Thommen, Andreas; Rasmussen, Ilse A.; Hermansen, John; Vaarst, Mette; Lck, Lorna; Carporali, Fabio; Jensen, Henning Hgh; Migliorini, Paola and Willer, Helga, Eds. (2008) .Cultivating the Future Based on Science. Proceedings of the Second Scientific Conference of the International Society of Organic Agriculture Research (ISOFAR), held at the 16th IFOAM Organic World Congress in Cooperation with the International Federation of Organic Agriculture Movements (IFOAM) and the Consorzio ModenaBio, 18 . 20 June 2008 in Modena, Italy.. International Society of Organic Agriculture Research (ISOFAR), c/o IOL, DE-Bonn, Research Institute of Organic Agriculture FiBL, CH-Frick. http://orgprints.org/13672 and http://orgprints.org/13674

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