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Koreninski eksudati kot potencialno preventivno sredstvo proti škodljivim organizmom v ekološki pridelavi
Cigale, Domen (Author), Eler, Klemen (Mentor) More about this mentor... This link opens in a new window

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Abstract
Koreninski eksudaciji rastline namenjajo dobršen del svojih asimilatov. Njihovo pomembnost za rastline še vedno odkrivamo, kažejo pa se učinki eksudatov na rizosferne organizme (tudi parazitske), na sosednje rastline (alelopatija), na boljši privzem hranil in drugo. Koreninski eksudati se lahko tako delijo v grobem na snovi z majhno in snovi z veliko molekulsko maso, vsaka pa ima različne načine delovanja. Diploma se osredotoči na možnosti uporabe koreninskih eksudatov za omilitev škod na kmetijskih rastlinah, ki jih povzročajo talni škodljivci in bolezni. Poiskati je treba nove, okoljsko sprejemljivejše možnosti zatiranja zaradi naraščanja pridelave ekološke hrane in omejitve uporabe fitofarmacevtskih sredstev, kar je posledica strožje zakonodaje. Potencialnih rastlin za pridobivanje koreninskih eksudatov je precej, podrobneje sem opisal grah, križnice in koruzo. Pridobivanje samih koreninskih eksudatov pa je še v povojih, večina načinov pridobivanja je zaenkrat primerna le za laboratorijske poskuse. Največji potencial za pridobivanje eksudatov v pridelavi ima tehnika z kontinuiranim spiranjem. Sama aplikacija koreninskih eksudatov lahko poteka s kolobarjenjem, medsetvijo, biofumigacijo, škropljenjem ekstraktov in drugače. Potencial uporabe koreninskih eksudatov kot preventivnega sredstva v ekološki pridelavi je na podlagi pregledanih člankov znaten.

Language:Slovenian
Keywords:ekološka pridelava, varstvo rastlin, koreninski eksudati, škodljivi organizmi
Work type:Bachelor thesis/paper (mb11)
Tipology:2.11 - Undergraduate Thesis
Organization:BF - Biotechnical Faculty
Year:2019
Publisher:[D. Cigale]
UDC:632.3/.7:632.937:581.135.5(043.2)
COBISS.SI-ID:9284217 Link is opened in a new window
Views:298
Downloads:70
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Secondary language

Language:English
Title:Root exudates as potentially preventive agent against harmful organisms in organic production.
Abstract:
Plants spend a good portion of their assimilates for root exudation. The importance of this process for plants is still being discovered. The effects on rhizospheric organisms (also parasitic), on adjacent plants (allelopathy), on larger nutrient uptake and more are rather well kown. Root exudates can be roughly divided into low molecular weight and high molecular weight substances, each having different modes of action. The diploma thesis focuses on possibilities of using root exudates against soil pests. New, environmentally friendly control options against pests are being investigated in order to increase the production of organic food and restrict the use of synthetic pesticides as a result of stricter legislation. There are many potential plants for root exudate production; here I put the emphasis on pea, Cruciferae and corn. However, the larger-scale extraction of root exudates is still in its infancy, and most of the extraction methods are only suitable for laboratory experiments. The greatest potential for producing exudates in cultivation is the technique of continuous rinsing. The application of root exudates, however, can be executed through crop rotation, interplanting, biofumigation, extract spraying, and more. The potential of using root exudates as a preventive agent in organic production is very promising based on the articles reviewed here.

Keywords:ecological production, plant protection, root exudates, pests

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