BF, Dept. of Agronomy, Lj. (BFAGR)
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Proučevanje velike žitne uši (Sitobion avenae F.) v posevkih pšenice v Sloveniji : diplomska naloga = Research on the cereal aphid (Sitobion avenae F.) in wheat crops in Slovenia : graduation thesisTrdan, StanislavVeliko žitno uš (Sitobion avenae F.) smo proučevali na treh geografsko ekoloških območjih. V makroposkusu na Jablah smo spremljali gibanje njene številčnosti na devetih kultivarjih ozimne pšenice, in ... sicer na cv. olga, cv. justus, cv. ikarus, cv. marija, cv. demetra, cv. žitarka in cv. ana, v okolici Ptuja in Dolenje vasi pa na cv. marija in cv. ana. V okolici Ptuja smoškodljivca proučevali na dveh, v okolici Dolenje vasi pa na štirih parcelah. Krilate in nekrilate uši smo šteli od 1. dekade maja do 3. dekade junija 1995. Na najzgodnejšem kultivarju v makroposkusu, cv. pinka, smo zabeležili največje število krilatih in nekrilatih osebkov velike žitne uši (Sitobion avenae F.). Po njunem nizkem številu je na isti lokaciji izstopal cv. ikarus, ki spada med pozne kultivarje. Največje šetvilo krilatih uši smo zabeležili v 3. dekadi maja (EC 41-60), največje število krilatih osebkov pa v 1. dekadi junija (EC 58-68). Na Jablah smo v povprečju našteli več uši na poganjek kot na ostalih dveh lokacijah. To lahko pripišemo intenzivnejši agrotehniki in vplivu roba na prvoomenjeni lokaciji. Med cv. marija in cv. ana nismo ugotovili bistvenih razlik v občutljivosti na veliko žitno uš (Sitobion avenae F.). Močne padavine v 2. dekadi junija so vplivalr na zmanjšanje številčnosti škodljivca, še preden bi ta lahko, glede iz literature, dosegel najvišje število.Type of material - undergraduate thesis ; adult, seriousPublication and manufacture - Ljubljana : [S. Trdan], 1996Language - slovenianCOBISS.SI-ID - 31609
Author
Trdan, Stanislav
Other authors
Milevoj, Lea
Topics
fitopatologija |
velika žitna uš |
Sitobion avenae F. |
ozimna pšenica |
kultivarji |
občutljivost |
Slovenija |
Slovenija
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BF, Dept. of Agronomy, Lj. |
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AO D 0000001631 AO D 1631 |
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Trdan, Stanislav | 17763 |
Milevoj, Lea | 00951 |
Source: Personal bibliographies
and: SICRIS
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