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Title:Vpliv prekrivanja nasada čebule s slamo na zatiranje plevelov, škodljivcev in bolezni čebule
Authors:ID Iršič, Tadej (Author)
ID Lešnik, Mario (Mentor) More about this mentor... New window
Files:.pdf UN_Irsic_Tadej_2016.pdf (1,87 MB)
MD5: 4A9637AA919904F8C06EA20CAEE5AC9E
 
Language:Slovenian
Work type:Bachelor thesis/paper
Organization:FKBV - Faculty of Agriculture and Life Sciences
Abstract:V letu 2015 smo na posestvu poljedelske kmetije Majerič v Moškanjcih izvedli poskus prekrivanja nasada čebule s slamo. Poskusne parcelice so bile pokrite s slamo v dveh različnih debelinah (4 in 8 cm) v treh različnih terminih (2., 17. in 25. april). Spremljali smo razvoj čebule, zdrav ter okužen pridelek, populacije plevelov, stopnje napada čebulne muhe (Delia antiqua Meigen) in tobakovega resarja (Thrips tabaci Lind.) ter stopnje okužb zaradi čebulne plesni (Peronospora destructor Casp.), rjave pegavosti (Stemphylium vesicaria (Wallr.) E.G. Simmons) in škrlatne pegavosti (Alternaira porri (Ellis) Cif.). Najboljši rezultati glede razvoja čebule so se pokazali pri prekrivanju s tanjšo plastjo slame v najkasnejšem terminu, najvišji pridelek znotraj poskusnih obravnavanj pa je bil dosežen pri obravnavanjih pokritih v zadnjem terminu z debelejšo plastjo slame. Slamnata zastirka je najbolje zatrla enoletne plevele, na večletne ni imela večjega vpliva. Na napad škodljivcev debelina zastirke ni imela značilnega vpliva, manjše razlike so bile le med termini. Prav tako zastirka iz slame ni imela večjega značilnega vpliva na okužbo z boleznimi, zaznane so bile le manjše razlike med termini in debelinama zastirke.
Keywords:čebula, zastirka, slama, pleveli, bolezni
Place of publishing:Maribor
Year of publishing:2016
PID:20.500.12556/DKUM-63473 New window
NUK URN:URN:SI:UM:DK:DUPQ8IKN
Publication date in DKUM:16.09.2016
Views:2047
Downloads:311
Metadata:XML DC-XML DC-RDF
Categories:FKBV
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Secondary language

Language:English
Title:The impact of Growing Onions Under Straw Mulch on the Control of Weeds, Onion Pests and Diseases
Abstract:In 2015, we have conducted a field-trial to study the effect of covering onions wih straw mulch. Research was done on the Majerič farm in Moškanjci. Testing plots were covered with a straw layer of 4 or 8 cm thickness at three different dates (2., 17. and 25. April). We were monitoring the onion development, yield (share of healthy or diseased bulbs), weed populations, onion fly (Delia antiqua Meigen) onion thrips (Thrips tabaci Lind.), attack rate of Downy mildew (Peronospora destructor Casp.), leaf blight (Stemphylium vesicaria (Wallr.) E.G. Simmons) and purple leaf blotch (Alternaira porri (Ellis) Cif.). Best results, regardless of the onion development, were obtained in plots with the latest date of mulching with the thinner cover layer of straw, and the highest yield was recorded at plots covered at the latest date with the thickest cover of straw. Straw mulch had the best control effect on annual weeds, but not on perennial ones. The covering of the onions with straw did not significantly influence the pest attack rates, only small differences in attack rate between early and late dates were observed. Straw mulch also did not have any significant effect on disease attack rates, only small differences between dates and thicknesses of straw mulch were observed.
Keywords:onion, mulch, straw, weeds, diseases


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