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Obvladovanje hmeljevega bolhača (Psylliodes attenuatus Koch) na hmelju (Humulus lupulus L.) : diplomsko deloCizej, MitjaHmeljev bolhač (Psylliodes attenuatus Koch) je pomemben škodljivec hmelja (Humulus lupulus L.), ki se prehranjuje tudi z navadno konopljo (Cannabis sativa L.) in veliko koprivo (Urtica dioica L.). ... Ima eno generacijo letno z dvema pojavoma in sicer spomladi v času intenzivne rasti hmelja in poleti v času oblikovanja storžkov. Ko hmeljev bolhač preseže prag gospodarske škode, uporabimo insekticide. Na hmelju ima trenutno registracijo aktivna snov (a. s.) lambda-cihalotrin in ciantraniliprol. A. s. lambda-cihalotrin bo v Evropski Uniji kmalu prepovedana, zato smo v raziskavi preučevali možnost obvladovanja hmeljevega bolhača v spomladanskem času z alternativnimi metodami z nizkim tveganjem, kot so biostimulanti, regulatorji rasti, gnojila, repelenti. Nekateri pripravki uporabljeni v raziskavi naj bi imeli stimulativen učinek na rast in razvoj hmelja, ki pa niso dali želenih učinkov v smislu hitre rasti in posledično zmanjšani pojavnosti poškodb od hmeljevega bolhača. Število hmeljevih bolhačev na rastlini ni merodajno glede ugotavljanja učinkovitosti pripravkov, saj so bolhači zelo mobilni. Najmanj bolhačev smo zasledili na parcelah, kjer smo uporabili insekticid Karate Zeon 5 CS (a. s. lambda-cihalotrin) in Exirel (a. s. ciantraniliprol), med alternativnimi pripravki pa na parcelah, kjer smo večkrat uporabili pripravek Algo-Plasmin. Poškodbe na listih hmelja so bile statistično značilno manjše, kjer smo uporabili kontaktna insekticida Karate Zeon 5 CS in Exirel. Med alternativnimi pripravki so bile manjše poškodbe na listih hmelja, kjer smo uporabili Algo-Plasmin, CutiSan in Invelope. Z raziskavo smo ugotovili, da lahko z nekaterimi alternativnimi pripravki delno omejimo poškodbe od hmeljevega bolhača na hmelju v spomladanskem času, kar pa ni primerljivo z uporabo kontaktnih insekticidov.Type of material - undergraduate thesis ; adult, seriousPublication and manufacture - Maribor : [M. Cizej], 2022Language - slovenianCOBISS.SI-ID - 123213059
Author
Cizej, Mitja
Other authors
Paušič, Andrej |
Lešnik, Mario
Topics
Univerzitetna in visokošolska dela |
hmelj |
Humulus lupulus |
hmeljev bolhač |
Psylliodes attenuatus |
alternativni pripravki |
učinkovitost |
hops |
Humulus lupulus |
hop flea beetle |
Psylliodes attenuatus |
alternative products |
efficacy
Library | Call number – location, accession no. ... | Copy status |
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Faculty of Agriculture and Life Sciences, Maribor | Čitalnica d 632.9 CIZEJ, M. Obvladovanje IN: 12022168 |
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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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Cizej, Mitja | |
Paušič, Andrej | 30797 |
Lešnik, Mario | 13492 |
Source: Personal bibliographies
and: SICRIS
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