Nauka Przyroda Technologie

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2017 volume 11 issue 2, 145-152 http://dx.doi.org/10.17306/J.NPT.00187
Duong Tran Dinh,, Chien Tran Dinh, Cong Nguyen Minh
A study on the possibility to use pheromone traps to control the diamondback moth [Plutella xylostella (L.)] – a cabbage pest in Hanoi, Vietnam
Summary.

Background. The diamondback moth [Plutella xylostella (L.)] is a major insect pest of cruciferous vegetables due to its infestation and resistance to pesticides. Pheromones have highly specialised advantages for each species and they leave no chemical residues. This study was an attempt to improve the understanding of the pheromone trap technique, a necessary step to produce safe vegetables in Vietnam.

Material and methods. The investigations were conducted on cabbage (Brassica oleracea L. var. capitata) in Hanoi. Pheromone traps were used to catch adult diamondback moths every day and to count larvae on cabbage every 7 days. The data were analysed with Microsoft Excel 2007 and Irristat 4.0.

Results. The highest number of diamondback moths in the first season was 21.2 larvae per 1 m2 in the trapping variant and 22.1 larvae per 1 m2 in the non-trapping variant; in the second season it was 17.5 and 19.5, respectively. The F parameter significance between the number of adult insects in the trap and the larval density was linearly proportional, i.e. F = 0.000202 (< 0.05) in the first season and F = 0.000146 (< 0.05) in the second season. The use of pesticides required higher investment, but yielded lower profit than the pheromone trap (552 €/ha vs 572 €/ha).

Conclusions. The larval density in the formula with pheromone traps was always lower than in the one without traps. Pheromone traps affected the density of larvae in the field. Not only do they bring more economic benefits than the use of pesticides only, but they also protect the environment and ensure the sustainability of ecosystems.

Key words: cabbage, pheromone trap, Plutella xylostella, safe vegetable production zone, Hanoi
PDFFull text available in English in Adobe Acrobat format:
http://www.npt.up-poznan.net/tom11/zeszyt2/art_14.pdf

http://dx.doi.org/10.17306/J.NPT.00187

For citation:

MLA Dinh, Duong Tran, et al. "A study on the possibility to use pheromone traps to control the diamondback moth [Plutella xylostella (L.)] – a cabbage pest in Hanoi, Vietnam." Nauka Przyr. Technol. 11.2 (2017): 145-152. http://dx.doi.org/10.17306/J.NPT.00187
APA Duong Tran Dinh1,2, Chien Tran Dinh3, Cong Nguyen Minh4 (2017). A study on the possibility to use pheromone traps to control the diamondback moth [Plutella xylostella (L.)] – a cabbage pest in Hanoi, Vietnam. Nauka Przyr. Technol. 11 (2), 145-152 http://dx.doi.org/10.17306/J.NPT.00187
ISO 690 DINH, Duong Tran, et al. A study on the possibility to use pheromone traps to control the diamondback moth [Plutella xylostella (L.)] – a cabbage pest in Hanoi, Vietnam. Nauka Przyr. Technol., 2017, 11.2: 145-152. http://dx.doi.org/10.17306/J.NPT.00187
Corresponding address:
Duong Tran Dinh
Katedra Entomologii i Ochrony Środowiska
Uniwersytet Przyrodniczy w Poznaniu
ul. Dąbrowskiego 159
60-594 Poznań
Poland
e-mail: duongflo@yahoo.com
Accepted for print: 29.05.2017