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Biology and harmfulness of Brassica pod midge (Dasineura brassicae Winn.) in winter oilseed rape

Biologija i štetnost mušice kupusne ljuske (Dasineura brassicae Winn.) na ozimoj uljanoj repici

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2015
390.pdf (249.8Kb)
Authors
Graora, Draga
Sivčev, Ivan
Sivčev, Lazar
Büchs, Wolfgang
Tomić, Vladimir
Dudić, Boris
Gotlin-Čuljak, Tanja
article (publishedVersion)
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Abstract
The Brassica pod midge (Dasineura brassicae Winn.) is an important pest in oilseed rape (Brasica napus L.). It develops two generations per year and overwinters in the larval stage in cocoons in soil. Immigration of the first generation adults lasted from the beginning of April until the end of May. Larvae developed in pods from mid-April to mid-June, causing pod deformation and cracking, which resulted in premature falling out of seeds and yield reduction. Pod damage amounted to 11.6%. The emergence of the second generation adults was detected at the end of May and in the first ten days of June. D. brassicae was found to lay eggs in healthy pods and no correlation was found with the cabbage seed weevil, Ceutorhynchus assimilis Paykull.
Mušica kupusne ljuske, D. brassicae (Winn.) (Diptera: Cecidomyiidae), je značajna štetočina uljane repice (Brasica napus L.). Tokom 2011. godine, na uljanoj repici, na lokalitetu Stari Žednik, kao i 2011/12. godine, na ozimoj pšenici koja je u plodoredu sa uljanom repicom, praćena je biologija i štetnost ove vrste. U toku godine D. brassicae razvija dve generacije, a prezimljava kao larva u kokonu u zemljištu. Imigracija imaga prve generacije je dosta razvučena i traje od početka aprila do kraja maja. Dug period imigracije uslovio je prisustvo larvi u ljuskama od sredine aprila do sredine juna. Infestirane mahune se deformišu i pucaju, semenke ispadaju, što ima za posledicu smanjenje prinosa uljane repice. Oštećenost ljuski iznosi 11,6%. Eklozija imaga druge generacije je registrovana krajem maja i u prvoj dekadi juna. Tokom istraživanja utvrđeno je D. brassicae polaže jaja u zdrave mahune i da nema korelacije sa Ceutorhynchus assimilis Payk.
Keywords:
Brassica pod midge / Oilseed rape / Life cycle / Mušica kupusne ljuske / uljana repica / Životni ciklus
Source:
Pesticidi i fitomedicina, 2015, 30, 2, 85-90
Publisher:
  • Institute of Pesticides and Environmental Protection
Funding / projects:
  • info:eu-repo/grantAgreement/MESTD/Integrated and Interdisciplinary Research (IIR or III)/46008/RS// (RS-46008)
  • SEEERA NET. PLUS project 051

DOI: 10.2298/pif1502085G

ISSN: 1820-3949

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URI
https://plantarum.izbis.bg.ac.rs/handle/123456789/392
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