ŽIVOTNA SPOSOBNOST SEMENA KRUPNIKA PROIZVEDENOG U INSTITUTU ZA KUKURUZ “ZEMUN POLJE”
Sažetak
Krupnik (Triticum spelta L.) privlači sve veću pražnju proizvođača zbog svojih bioloških osobina i hemijskog sastava semena. Kako je za uspešnu proizvodnju neophodno kvalitetno seme, u ovom radu je ispitivana životna sposobnost semena krupnika proizvedenog konvencionalnim i organskim načinom proizvodnje. Ispitivano je seme krupnika sorte Nirvana, konvencionalno i organski proizvedeno 2015. godine u Institutu za kukuruz “Zemun polje”. Prema dobijenim rezultatima ukupna klijavost konvencinalno proizvedenog semena krupnika iznosila je 99%, dok je klijvost organski proizvodenog semena bila niža i iznosila je 93%. Broj nenormalnih klijanaca konvencionalno proizvdenog krupnika u proseku je dao 1% nenormalnih klijanaca, a takođe i organski krupnik. Organski proizvedeno seme krupnika beleži veći udeo bolesnog i mrtvog semena u odnosu na seme iz konvencionalnog useva (0%), te u proseku daje 6% bolesnih i mrtvih semena. Nakon testa ubrzanog starenja semena, zabeležena je viša ukupna klijavost konvencionalnog semena krupnika (75%), u poređenju sa semenom organskog krupnika (68%). Rezultati ispitivanja elektroprovodljivosti ukazuju da ispitivano seme konvencionalnog krupnika (32,33 µS/cmg) spada u kategoriju semena niže životne sposobnosti u odnosu na organsko seme krupnika (27,65 µS/cmg).
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