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Title:Vpliv metode ocenjevanja stopnje napada pri določanju učinkovitosti fungicidov za zatiranje oidija vinske trte (Uncinula necator (Schwein) Burrill)
Authors:ID Pušnik, Mojca (Author)
ID Lešnik, Mario (Mentor) More about this mentor... New window
ID Kraner Šumenjak, Tadeja (Comentor)
Files:.pdf UNI_Pusnik_Mojca_2011.pdf (1,63 MB)
MD5: 9B93CC83548925A576EC1671F7F06D13
PID: 20.500.12556/dkum/d259c429-e0b6-4469-9484-43abf1bf8352
 
Language:Slovenian
Work type:Undergraduate thesis
Organization:FKBV - Faculty of Agriculture and Life Sciences
Abstract:Ocenjevalci na terenu uporabljajo različne metode za ocenjevanje stopnje napada bolezni na vinski trti. Da bi ugotovili, ali metode ocenjevanja stopnje napada bolezni vplivajo na dobljene rezultate pri določanju učinkovitosti fungicidov za zatiranje oidija vinske trte, smo na Fakulteti za kmetijstvo in biosistemske vede v Mariboru izvedli praktičen in teoretičen poskus. V okviru teoretičnega poskusa smo izbrali več nizov podatkov, na katerih smo opravili statistične izračune na različne načine. Potem smo preverili, ali smo dobili primerljive rezultate pri različnih načinih izračuna stopnje napada bolezni. Praktični poskus smo izvedli v letu 2007 in sicer v vinogradu na lokaciji Nebova pri Mariboru, kjer smo ocenjevali stopnjo napada oidija na trsih sorte 'Laški rizling'. Stopnjo napada bolezni smo vizualno ocenjevali po prilagojeni boniturni lestvici 0-5 (Thownsend-Heuberger metoda), katera se v praksi pogosto uporablja. Dobljene rezultate smo primerjali z rezultati pridobljenimi po neposredni metodi ocenjevanja odstotka napadene površine. Z analizo variance smo ugotavljali statistično značilne razlike med rezultati, dobljenimi z eno in drugo metodo. Ugotovili smo, da je bolj smiselno neposredno ocenjevanje (% površine) kot uporaba lestvic.
Keywords:pepelasta plesen (Uncinula necator), vizualna ocena, odstotki
Place of publishing:Maribor
Year of publishing:2011
PID:20.500.12556/DKUM-21190 New window
NUK URN:URN:SI:UM:DK:9UOPWOTZ
Publication date in DKUM:24.11.2011
Views:2735
Downloads:158
Metadata:XML DC-XML DC-RDF
Categories:FKBV
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Secondary language

Language:English
Title:Influence of the disease rate scouting method on the evaluation of efficacy of fungicides for control of grape wine powdery mildew (Uncinula necator (Schwein) Burrill)
Abstract:Evaluators use various methods for assessing infection rates of grapevine diseases in the field. To determine whether the disease rate assessment methods have any influence in determining the effectiveness of fungicide treatments on the degree of grapevine powdery mildew control, theoretical and practical experiments were performed at the Faculty of Agriculture and Life Sciences in Maribor. Several data sets were chosen on the basis of which the degree of disease rate was calculated according to different methods. Later results of different methods were compared to determine whether they yielded comparable results. Theoretical part of the experiment served as a basis for practical part, i.e., for the field experiment carried out on 'Laški rizling' vineyard in 2007 at Nebova. The degree of disease infection was firstly assessed visually according to adjusted bonitur scale 0-5 (Thownsend-Heuberger calculation), which is commonly used in practice. Results were compared to those obtained by direct method of assessment of percent diseased area. Analysis of variance was used to determine statistically significant differences between results obtained by aforementioned methods. The results show that the direct assessment method could be more suitable than different scouting scales for the assessment of percent diseased area.
Keywords:powdery mildew (Uncinula necator), visual assessment, percentages


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