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Karpometrične in biokemične lastnosti paradižnika (Lycopersicon esculentum Mill.) gojenega z alternativno hidroponsko raztopino
ID Fartelj, Ines (Author), ID Žnidarčič, Dragan (Mentor) More about this mentor... This link opens in a new window, ID Mihelič, Rok (Co-mentor)

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PID: 20.500.12556/rul/e68f4f25-3c15-462c-88fd-b40c78a92f0c

Abstract
Na laboratorijskem polju Biotehniške fakultete v Ljubljani (nadmorski višini 305 m; φ = 46° 3′ 23″; λ = 14° 30′ 29″) smo leta 2013 primerjali vpliv standardne hranilne raztopine po Hoagland in Arnonu in obdelanega bioplinskega digestata na karpometrične ter biokemične lastnosti paradižnika (Lycopersicon esculentum Mill). Predvidevali smo, da bodo rastline, gojene z raztopino digestata, rasle bujnejše, da bodo plodovi imeli večjo maso ter večjo vsebnost bioaktivnih snovi. V poskus smo vključili 3 indeterminantne tipe cepljenega paradižnika: hibrida 'Gardel F1' in 'Belle F1' ter sorto 'Novosadski jabučar', ki smo jih po naključnem vrstnem redu posadili na plošče kamene volne, postavljene v korita iz PVC plastike. Povprečne vrednosti pH v standardni hranilni raztopini so dosegale 6,2, vrednosti EC pa 1,08 dS m-1. Ekvivalentne vrednosti v digestatu so bile 8,3 in 1,6 dS m-1. Rastline, zalivane s hranilno raztopino, so bile višje od rastlin zalivanih z digestatom. Plodovi iz rastlin, zalivanih s hranilno raztopino, so bili statistično značilno težji, širši in višji. Paradižnik, gnojen z digestatom, je razvil številčno manj plodov. Pri sortah, zalivanih z digestatom, je bila statistično značilno večja vsebnost luteina, klorofila a ter tokoferola. Največ klorofila b je bilo pri hibridu 'Belle F1' (82,5 µg/g) na hranilni raztopini, največ likopena (689,2 µg/g) ter β-karotena (113,9 µg/g) pa pri sorti 'Novosadski jabučar' (hranilna raztopina). Zaključimo lahko, da bioplinski digestat, v primerjavi s standardno hranilno raztopino, negativno vpliva na rast in razvoj rastlin oziroma plodov ter, da ima pozitiven učinek na vsebnost nekaterih bioaktivnih snovi.

Language:Slovenian
Keywords:vrtnarstvo, paradižnik, hidroponika, pridelek, karpometrične in biokemične lastnosti
Work type:Master's thesis/paper
Typology:2.09 - Master's Thesis
Organization:BF - Biotechnical Faculty
Publisher:[I. Fartelj]
Year:2017
PID:20.500.12556/RUL-98328 This link opens in a new window
UDC:635.64:631.589.2:631.559(043.2)
COBISS.SI-ID:8791161 This link opens in a new window
Publication date in RUL:27.11.2017
Views:1233
Downloads:578
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Secondary language

Language:English
Title:Carpometric and biochemical properties of tomato (Lycopersicon esculentum Mill.) grown with an alternative hydroponic solution of algae-bacteria treated biogas digestate
Abstract:
In 2013 we compared the influence of the standard nutrient solution with Hoagland and Arnon method and the cultivated biogas digestate on the carpometric and biochemical characteristics of tomato (Lycopersicon esculentum Mill). This study was conducted on the laboratory field of the Biotechnial Faculty in Ljubljana (altitude 305 m; φ = 46° 3′ 23″; λ = 14° 30′ 29″). We included three indeterminate types of grafted tomato: hybrids 'Gardel F1' and 'Belle F1' and the variety 'Novosadski jabučar'. All three types were planted in a random order on the rock wool boards which were set in the trough made of PVC plastic. The average pH values in the standard nutrient solution reached 6.2 and the values of EC reached 1.08 dS m-1. Equivalent values in the digestate were 8,3 and 1,6 dS m-1 . The plants that were irrigated with nutrient solution were, by all measurements during the growing period, statistically heavier, wider and higher. Tomato that was fertilized with digestate had the least of fruits. In the case of hybrids that were irrigated with digestate, there were statistically higher contents of lutein, chlorophyll a and tocopherol. The levels of chlorophyll b were the highest by hybrid 'Belle F1' (82.5 µg/g) on nutrient solution, and the highest levels of lutein and β-karoten were shown on the hybrid 'Novosadski jabučar' also on nutrient solution. From these results we can conclude that the influence of biogass digestate in comparison with the nutrient solution is negative on the growth and development of plants and their fruits, but that it has positive influence on the content of some bioactive compounds.

Keywords:vegetable growing, tomatoes, hydroponics, yield, carpometric and biochemical properties

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