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2016, vol. 61, br. 3, str. 215-226
Uloga tehnike potapanja kod parametara klijanja semena nevena (Calendula officinalis L.)
Department of Horticultural Sciences, Sari Agricultural Sciences and Natural Resources University, Sari, Iran

e-adresakarimi.sanru@gmail.com
Ključne reči: klijanje; potapanje; neven; indeks životne sposobnosti; zasnivanje useva
Sažetak
Potapanje semena je metod koji poboljšava osobine semena i sejanaca u uslovima stresa kao što je stres izazvan salinitetom, temperaturom i sušom. Slabo zasnivanje useva je uobičajen problem kod proizvodnje nevena. Stoga je sproveden eksperiment kako bi se ispitao uticaj različitih tehnika potapanja semena na klijanje semena nevena i enzimske aktivnosti sejanaca. Za tu svrhu, ocenjivane su različite tehnike potapanja semena: potapanje u vodi (destilovana voda, 24 i 72 h), osmotsko potapanje (0,02% ili 0,04% KNO3 tokom 24 i 72 h) i hormonsko potapanje (100 ili 500 mg L-1 GA3 tokom 24 i 72 h). Semena koja nisu tretirana su smatrana kontrolom. U poređenju sa kontrolom, 100 mg L-1 GA3 i destilovana voda tokom 72 h su pokazali najviše uticaja na poboljšanje procenta klijanja. Najviši indeks životne sposobnosti (525,75) je povezan sa tretmanom potapanja u vodi (tokom 24 h). Takođe, maksimalna dužina korena je zabeležena kod tretmana sa 0,02% KNO3 tokom 72 h. Katalaza se značajno povećala kod potapanih semena. Najviša aktivnost katalaze (CAT) i ukupni rastvorljivi šećeri su uočeni kod semena koja su potapana sa 100 mg L-1 GA3 tokom 72 h. Štaviše, enzimska aktivnost je bila značajno viša u tretmanima sa destilovanom vodom i KNO3 u poređenju sa netretiranim semenima.
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O članku

jezik rada: engleski
vrsta rada: izvorni naučni članak
DOI: 10.2298/JAS1603215K
objavljen u SCIndeksu: 27.10.2016.
metod recenzije: dvostruko anoniman
Creative Commons License 4.0

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