Diverzitet insekata oprašivača i njihov uticaj na prinos uljane repice (Brassica napus L.) u Ismailiji, Egipat

  • Soliman M. Kamel Plant Protection Department, Faculty of Agriculture, Suez Canal University, 41522 Ismailia
  • Hatem M. Mahfouz Plant Production Department, Faculty of Environmental Agricultural Sciences, Suez Canal University El-Arish
  • Abd EL-Fatah H. Blal Plant Production Department, Faculty of Environmental Agricultural Sciences, Suez Canal University El-Arish
  • Maysa Said Plant Production Department, Faculty of Environmental Agricultural Sciences, Suez Canal University El-Arish
  • Mahmoud Farag Mahmoud Plant Protection Department, Faculty of Agriculture, Suez Canal University, 41522 Ismailia
DOI: https://doi.org/10.2298/pif.v30i3.8278
Ključne reči: Insect pollinators||, ||Insekti oprašivači, Diversity||, ||Diverzitet, Canola||, ||Uljana repica, Yield||, ||Prinos, Egypt||, ||Egipat,

Sažetak


Ispitivani su insekti oprašivači i njihov uticaj na prinos uljane repice tokom sezona
2013/2014 i 2014/2015. Ogled je izveden na eksperimentalnom imanju Poljoprivrednog
fakultet Univerziteta Suez Canal, Ismailia. Rezultati ispitivanja pokazali su prisustvo 21 vrste insekata oprašivača cveta uljane repice, koje spadaju u 14 familija i četiri reda. Zabeleženo je maksimalno prisustvo insekata iz roda Hymenoptera, sa prosečnih 67.90% u obe godine, a sledili su rodovi Diptera sa 14.97%, Coleoptera sa 13.61% i Lepidoptera sa 2.26%. U oglednoj varijanti sa otvorenim pristupom, vrsta Colletes lacunatus je bila najprisutnija tokom dve sezone (30.45 i 29.34%, respektivno), a zatim Apis mellifera (12.34 i 17.73%, respektivno), u odnosu na ostale pčele i oprašivače. Najveća aktivnost prikupljanja kod vrsta C. lacunatus i A. mellifera odvijala se u vremenskom intervalu od 13:00 do 15:00 časova i odgovarala je broju procvetalih biljaka. Otvoreni pristup biljkama povećao je broj mahuna po biljci, broj semena po mahuni, težinu 1000 semena, prinos po biljci, prinos po fedanu (1 fedan = 0.42 ha), kao i
klijanje semena, u poređenju sa varijantom ogleda sa biljkama u kavezima.

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Objavljeno
2015/12/08
Kako citirati
Kamel, S. M., Mahfouz, H. M., Blal, A. E.-F. H., Said, M., & Mahmoud, M. F. (2015). Diverzitet insekata oprašivača i njihov uticaj na prinos uljane repice (Brassica napus L.) u Ismailiji, Egipat. Pesticides and Phytomedicine / Pesticidi I Fitomedicina, 30(3). https://doi.org/10.2298/pif.v30i3.8278
Broj časopisa
Vol. 30 Br. 3 (2015): Pesticidi i fitomedicina
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