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Simulacija stresa pri hidroponskem gojenju kumar (Cucumis sativus L.) v rastlinjaku : diplomska naloga = Stress simulation at hidroponically grown cucumbers (Cucumis sativus L.) in greenhouse : graduation thesisKodrič, Robert, 21.03.1975-V nalogi smo želeli ovrednititi vpliv različnih koncentracij in različnih količin hranilne raztopine na vegetativno in generativno rast hidroponsko gojenih kumar (Cucumus sativus L.). Opazovali smo ... pet različnih režimov oskrbe rastlin s hranilno raztopino. Na rastlini smo merili skupno maso pridelka, maso tržnih plodov, maso deformiranih plodov, število nodijev in dolžino internodijev. Največji pridelek smo dosegli pri pogojih nižje koncentracije (67%) in največje količine (150%) hranilne raztopine, tedaj je bil pridelek 5,8 kg na rastlino. Najnižji pridelek (1,6 kg) so dale rastline, ki so bile izpostavljene vodnemu stresu. Osmotski stres ni povzročil razlik v številu plodov na rastlino, značilno manjše število je bilo le pri močnem pomanjkanju vode. Na osnovi dobljenih rezultatov lahko rečemo, da je dolžina internodija v najbolj neposredni zvezi s stopnjo vodnega stresa. Pri najmočnejši obliki vodnega stresa je bila povprečna dolžina 3,2 cm, največja povprečna dolžina internodija pa 6,55 cm. Značilne razlike so bile tudi med obravnavanji z različnim osmotskim potencialom in enako količino hranilne raztopine. Obstajajo značilne razlike v številu nastalih nodijev, domnevamo pa, da ima tu poleg oskrbe z vodo vpliv še več drugih dejavnikov.Type of material - undergraduate thesis ; adult, seriousPublication and manufacture - Ljubljana : [R. Kodrič], 1998Language - slovenianCOBISS.SI-ID - 2159481
Author
Kodrič, Robert, 21.03.1975-
Other authors
Osvald, Jože, 1943-
Topics
zelenjadarstvo |
kumare |
Cucumis sativus L. |
hidroponika |
vodni stres |
rastni substrati |
rastlinjaki |
rastlinjaki
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Library | Call number – location, accession no. ... | Copy status |
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BF, Dept. of Agronomy, Lj. | AO D 1754 01 | available - outside loan, loan period: 1 months |
BF, Dept. of Agronomy, Lj. | AO D 1754 | available - reading room |
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Osvald, Jože, 1943- | 05964 |
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