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001-es BibID:	BIBFORM091479
035-os BibID:	(WoS)000383084700030 (Scopus)84977532499
Első szerző:	Lehoczky Éva
Cím:	Variability in macronutrient composition of weed seeds / É. Lehoczky, T. Filep, N. Mazsu, M. Kamuti, Z. Győri
Dátum:	2016
ISSN:	1589-1623 1785-0037
Megjegyzések:	The analysis of the element composition of weed seeds and shoots could provide new data for their biological and ecological assessment. In the present study, seed samples of 30 weed species from different plant families were analysed for macronutrients (K, Ca, Mg, N, P, S) and high variability was found. There was a considerable difference in the N content of weed seeds, with the highest value for Asclepias syriaca and the lowest for Xanthium spinosum. The macroelement ratio also exhibited a wide range of values, e.g. the N to S ratio varied from 0.2 to 14.2. When crop seed data were compared to those of weed seeds from the same family, the K, Ca, Mg, P and S concentrations in weed seeds were found to be significantly higher in many cases. There were significant differences both in the macroelement concentrations and, in some cases, in the nutrient ratios of weed seeds from different plant families. Significant differences were found for K, Mg, P and S, and for the N/S and Ca/P ratios. This was confirmed by PCA, which illustrated not only differences between weed species, but also the fact that weed plants from the same family formed groups.
Tárgyszavak:	Agrártudományok Növénytermesztési és kertészeti tudományok idegen nyelvű folyóiratközlemény hazai lapban folyóiratcikk
Megjelenés:	Applied Ecology and Environmental Research. - 14 : 3 (2016), p. 451-462. -
További szerzők:	Filep Tibor Mazsu Nikolett (környezetmérnök) Kamuti Marianna Győri Zoltán (1948-) (vegyész)
Pályázati támogatás:	K 105789 Egyéb
Internet cím:	DOI Intézményi repozitóriumban (DEA) tárolt változat
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