Vserossiyskiy nauchno-issledovatel'skiy institut zaschity rasteniy (laboratoriya fitosanitarnoy diagnostiki i prognozov, st. nauch. sotrudnik)
Sankt-Peterburg, Samara, Russian Federation
Cel' issledovaniy – ispol'zovanie pecilusa mednogo (Poecilus cupreus) v regulyacii chislennosti vrediteley v posevah yarovoy pshenicy. Polevye issledovaniya provodilis' na dvuh opytnyh polyah Samarskoy sel'skohozyay-stvennoy akademii v 1996-2010 gg. metodom uchetov obitateley poverhnosti pochvy s pomosch'yu napochvennyh lovushek. Credi napochvennyh zhuzhelic v posevah yarovoy pshenicy P. cupreus ezhegodno vhodit v sostav dominantov i sverhdominantov. V Srednem Povolzh'e v iyune naibol'shaya dinamicheskaya plotnost' i stepen' dominirovaniya P. cupreus otmecheny vo vlazhnyy (1997), slabo zasushlivye i zasushlivye (1999, 2002, 2004, 2009) gody. Dinamicheskaya plotnost' zhuzhelic v iyune byla tem vyshe, chem prohladnee may; v iyule – chem bol'she osadkov vypadalo v etom mesyace. V mae i iyune naibol'shaya dinamicheskaya plotnost' i stepen' dominirovaniya imago mednogo pecilusa nablyudalis' v posevah yarovoy pshenicy v sevooborote s chistym parom, a v iyule – s zanyatym parom. Povyshennye dozy mineral'nyh udobreniy pod osnovnuyu obrabotku pochvy i v vide podkormki sposobstvovali snizheniyu dinami-cheskoy plotnosti zhuzhelic. V iyune naibol'shaya dinamicheskaya plotnost' zhuzhelic otmechena v posevah pshenicy s poverhnostnoy obrabotkoy pochvy na 6-8 ili 10-12 sm. V iyule nablyudalos' ih peremeschenie na uchastki so vspashkoy pochvy na 20-22 sm, s bolee ryhlym verhnim sloem, blagopriyatnym dlya razvitiya lichinok. Pecilus mednyy – mnogo-yadnyy hischnik, naibolee mnogochislennyy sredi napochvennyh zhuzhelic, perspektivnyy v biologicheskoy zaschite yarovoy pshenicy ot vrediteley.
zhuzhelicy, dinamicheskaya, plotnost', sevooborot, udobreniya, obrabotka
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