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Cilj ovog istraživanja bio je utvrditi učinak tretmana s Rivergreen®-om na rast i razvoj presadnica kelja u kontroliranim uvjetima. Rivergreen® je novi proizvod dobiven mljevenjem i tribomehaničkom aktivacijom kamenog sedimenta rijeke Drave. Istraživanje je provedeno 2018. godine u Laboratoriju za povrćarstvo, cvjećarstvo, ljekovito, začinsko i aromatično bilje na Fakultetu agrobiotehničkih znanosti Osijek.U istraživanju je korišteno sjeme kelja sorte Kapucinski i Željezna glava te je praćen rast i razvoj kelja do faze presadnica. Utvrđeno je kako Rivergreen® nije imao značajnog utjecaja na svježu i suhu masu Kapucinskog kelja, dok je imao utjecaja na isto svojstvo kod sorte Željezna glava, gdje su značajno veća svježa i suha nadzemna masa izmjerene kod presadnica koje su tretirane s Rivergreen®-om. Također, utvrđeno je da je broj listova sorte Kapucinski bio veći pod utjecajem tretmana s Rivergreen®-om. Broj, širina i dužina listova kod sorte Željezna glava nije bila pod utjecajem tretmana s Rivergree®-om, dok je vidljiva razlika u broju i dužini listova kod sorte Kapucinskog kelja. Širina listova kod navedene sorte nije bila pod utjecajem tretmana s Rivergreen®-om. Tretman s Rivergreen®-om je utjecao na visinu stabljike kod sorte Kapucinski, dok razlika u visini nije vidljiva kod sorte Željezna glava. Iz svih navedenih rezultata može se zaključiti da Rivergreen® kod većine promatranih svojstava ima različit utjecaj u ovisnosti o sorti. Također, potrebno je provesti dodatna istraživanja kako bi se utvrdio konačan učinak Rivergreen®a na prinos i kvalitetu kelja., The aim of this study was to determine the effect of treatment with Rivergreen® on growth and development of kale seedlings. Rivergreen® is a new product obtained by milling and tribomechanical activation of the Drava river rock sediment. The research was conducted during 2018 at the Laboratory for Vegetable, Flowers, Medicinal and Spice Herbs at the Faculty of Agrobiotechnical Sciences Osijek. Two varieties of kale, cv. Kapucinski and cv. Željezna glava were used in the study, following the growth and development of the kale until the transplants stage. It was found that Rivergreen® did not have a significant influence on the fresh and dry mass of cv. Kapucinski, while it had the same effect on cv. Željezna glava varieties, where the significantly higher fresh and dry overhead mass measured at Rivergreen® seedlings was significantly higher. It was also found that the number of leaflets of the cv. Kapucinski variety was greater under the influence of Rivergreen® treatment. Number, width and length of leaves in the cultivar Željezna glava head was not affected by the treatment with Rivergree®, while the difference in the number and length of leaves in the cv. Kapucinski variety was apparent. The leaf width in the specified variety was not affected by Rivergreen® treatment. Treatment with Rivergreen® influenced the height of the stem in the cv. Kapucinski variety, while the difference in height was not visible in the cv. Željezna glava variety. From all of the above results, it can be concluded that Rivergreen® in most of the observed properties has a different influence on varieties. Further research is needed to determine the true effect of Rivergreen® on final yield and quality of kale.

Cilj ovog istraživanja bio je utvrditi učinak tretmana s Rivergreen®-om na rast i razvoj presadnica endivije u kontroliranim uvjetima. Rivergreen® je novi proizvod dobiven mljevenjem i tribomehaničkom aktivacijom kamenog sedimenta rijeke Drave. Istraživanje je provedeno 2018. godine u Laboratoriju za povrćarstvo, cvjećarstvo, ljekovito, začinsko i aromatično bilje na Fakultetu agrobiotehničkih znanosti Osijek. U istraživanju su korištene dvije sorte endivije, Eskariol zelena i Eskariol žuta te je praćen rast i razvoj endivije do faze presadnica. Rezultati istraživanja su pokazali da utjecaj Rivergreen®-a na rast i razvoj endivije ovisi o sorti, ali i o promatranom svojstvu. Utvrđeno je kako Rivergreen® nije imao značajnog utjecaja na svježu i suhu masu endivije Eskariol zelena, dok je imao utjecaja na isto svojstvo kod sorte Eskariol žuta, gdje su značajno veća svježa i suha nadzemna masa izmjerene kod presadnica koje su tretirane s Rivergreen®-om. Također, utvrđeno je da je broj listova sorte Eskariol zelena bio veći pod utjecajem tretmana s Rivergreen®om. Širina listova kod navedene sorte nije bila pod utjecajem tretmana s Rivergreen®-om. Kod sorte Eskariol žuta, Rivergreen® nije imao utjecaja na broj listova, ali je širina listova u prosjeku bila veća kod presadnica koje su tretirane Rivergreen®-om. Dužina listova kod obje sorte nije bila pod utjecajem tretmana sa Rivergreen®-om. Iz svih navedenih rezultata može se zaključiti da Rivergreen® kod većine promatranih svojstava ima različit utjecaj u ovisnosti o sorti. Također, potrebno je provesti dodatna istraživanja kako bi se utvrdio konačan učinak Rivergreen® na prinos i kvalitetu endivije., The aim of this study was to determine the effect of treatment with Rivergreen® on growth and development of endive transplants in controlled environment. Rivergreen® is a new product obtained by milling and tribomechanical activation of the river Drava rock sediment. The research was conducted during 2018 at the Laboratory for Vegetable, Flowers, Medicinal and Spice Herbs at the Faculty of Agrobiotechnical Sciences Osijek. Two varieties of endive, Eskariol green and Eskariol yellow were used in the study, following the growth and development of the endive until the transplants stage. The results of this research have revealed that the influence of Rivergreen® on growth and development of endive depends on cultivar as well as on the observed properties. It was found that Rivergreen® did not have a significant influence on the fresh and dry weight of Eskariol green, while it influenced on the same properties of the Eskariol yellow cultivar significantly increasing aboveground part fresh and dry weight. It was also determined that the number of leaves of Eskariol green was higher influenced by Rivergreen® treatment. The leaf width in the specified cultivar was not affected by Rivergreen® treatment. In the Eskariol yellow variety, Rivergreen® had no effect on the number of leaves, but the width of leaves was higher when treated with Rivergreen®. The leaf length in both varieties was not affected by Rivergreen® treatment. From obtained results, it can be concluded that Rivergreen® in most of the observed properties, has a different influence depending on the cultivar. Further research is needed to determine the true effect of Rivergreen® on final yield and quality of endive.