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The impact of foliar application of molybdenum on alfalfa germination energy and share of hard seeds

Uticaj folijarne primene molibdena na energiju klijanja i udeo tvrdih semena lucerke

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2015
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Authors
Terzić, Dragan
Stanisavljević, Rade
Koprivica, Ranko
Milenković, Jasmina
Đokić, Dragoslav
Knežević, Jasmina
Poštić, Dobrivoj
Article (Published version)
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Abstract
The aim of this study was to investigate the influence of foliar application of molybdenum on the germination energy and share of hard alfalfa seeds. Climatic conditions during the year had the greatest impact on the germination energy and share of hard seeds. Energy of germination was influenced by climatic conditions during the development of crops, ranging from 68.5 % to 84.1 %. Minimum germination energy was generated in the year with the most rainfall during seed formation, and the highest germination energy was achieved in the year with less rainfall during seed formation. The share of hard seeds ranged from 5.1 % to 6.7 %. Treatments with molybdenum in our research did not realize the difference in the germination energy and share of hard seeds that is statistically justified in any year of study.
Molibden je veoma važan u simbiotskoj fiksaciji azota i lucerka spada u grupu biljaka koja je osetljiva na nedostatak molibdena. U trogodišnjem periodu obavljena su ispitivanja na oglednom polju Instituta za krmno bilje u Kruševcu. Cilj ovih istraživanja bio je ispitati uticaj folijarne primene molibdena na energiju klijanja semena lucerke i udeo trvdih semena. Folijarana prihrana molibdenom (0,1% amonijum molibdata (NH4)6 Mo7O4 x 4H2O je obavljena preko dve aplikacije (prva aplikacija je obavljena u fazi intezivnog porasta, a druga aplikacija u fazi butonizacije i početka cvetanja useva) sa količinom vode 1000 l ha-1. Energija klijanja je bila pod uticajem klimatskih uslova u toku razvoja useva i kretala se od 68,5% do 84,1%. Najmanja energija klijanja je ostvarena u godini sa najviše padavina u periodu formiranja semena. Energija klijanja se razlikuje po godinama ali je prosečna energija klijanja na kontrolni i varijatni tretiranoj molibdenom ujedančena. Udeo tvrdih semena se kretao ...od 5,1% do 6,7%. Najmanji udeo tvrdih semena je ostvaren u godini sa najviše padavina u letnjem peridu a najveći u godini sa manje padavina u periodu formiranja semena. Prosečni udeo tvrdih semena na kontrolnoj i tretiranoj varijanti nije ostvario značajne razlike. Tretmani sa molibdenom u našim istraživanjima nisu ostvarili razliku u energiji klijanja i udelu tvrdih semena koja je i statistički opravdana ni u jednoj godini ispitivanja.

Keywords:
alfalfa / molybdenum / germination energy / hard seeds / lucerka / molibden / energija klijanja / tvrda semena
Source:
Journal on Processing and Energy in Agriculture, 2015, 19, 3, 154-156
Publisher:
  • Nacionalno društvo za procesnu tehniku i eneregetiku u poljoprivredi, Novi Sad
Projects:
  • Improvement of genetic potential and technologies in forage crops production in function of sustainable animal husbandry development (RS-31057)

ISSN: 1821-4487

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URI
http://plantarum.izbis.bg.ac.rs/handle/123456789/388
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