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2013, vol. 18, br. 35, str. 39-47
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Uticaj sorte i načina proizvodnje na prinos i kvalitetne osobine salate proizvedene u zimskim uslovima
Impact of varieties and production methods on yield and content of vitamin C in winter lettuce produced in the greenhouse
Univerzitet u Istočnom Sarajevu, Poljoprivredni fakultet, Republika Srpska, BiH
Sažetak
U radu je prikazan uticaj sorte i različitih načina proizvodnje na prinos i sadržaj vitamina C u listu salate proizvedene u zimskom periodu. Trogodišnja ispitivanja su obavljena putem slučajnog blok sistema u plasteniku bez dodatnog grejanja. U ogledu su bile zastupljene tri sorte salate (Archimeds RZ, Santoro RZ, Kibou RZ). Svaki red sorte je bio podvrgnut sledećim varijantama pokrivanja: kontrola-sadnja na nepokrivenom zemljištu; malčovanje pred sadnju sa PE-crnom folijom; agrotekstil-pokrivanje biljaka nakon sadnje agrotekstilom (17 grama); kombinacija malčovanje + agrotekstila. Dobijeni rezultati pokazuju da su različiti načini proizvodnje uticali na prinos salate. Najveći prinos zabeležen je na agrotekstilu (14 kg/10m2), a najmanji kod kontrole (9,31 kg/10m2). Kroz sve tri godine ogleda kontinuirano se potvrđuje da je sorta Santoro imala najkrupnije glavice kao i najveći prinos (15,33 kg/10m2). Ispitivanje sadržaja vitamina C pokazala su da se u zavisnosti od načina proizvodnje tj. primenjene varijante pokrivanja razlikuje. U proseku najveći sadržaj pokazala je kombinacija malčovanje + agrotekstila (26,77 mg/100g), dok je kontrolna varijanta imala značajno manji sadržaj C vitamina (21,10 mg/100g).
Abstract
This paper describes the effects of different varieties and production methods on yield and vitamin C content in lettuce leaves produced in the winter period. A three- year study was conducted by randomized block system in a greenhouse without additional heating. The trial included three varieties of lettuce (Archimeds RZ, RZ Santoro, Kibo RZ). Each row with these varieties was exposed to the following variants of covering: control-planting on bare soil, mulching before sowing with PE-black foil, agro textile- covering plants after planting with agro textile (17 grams), a combination of mulching + agro textile. The results show that the different methods of production affected the yield of lettuce. The highest yield was recorded in agro textile variant (14 kg/10m2), and lowest in controls (9.31 kg/10m2). Throughout of all the three years of the trial, it was continuously evidenced that the variety Santoro had the biggest heads and the highest yield (15.33 kg/10m2), which leads to conclusion that the yield of lettuce is a varietal characteristics. Measuring the content of vitamin C has shown that, depending on the method of production, i.e. applied different variants of coverage differ. In average, the combination of mulching + agro textile (26.77 mg/100 g) had the highest content while the control variant had significantly lower vitamin C content (21.10 mg/100 g).
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