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001-es BibID:	BIBFORM021558
Első szerző:	Németh Tamás (agrármérnök)
Cím:	Relation between western corn rootworm tolerance and cyclic hydroxamic acid content of maize roots / Németh T., Makleit Péter, Nádasy M.
Dátum:	2010
ISSN:	0546-8191
Megjegyzések:	The aim of our research was to investigate the background of tolerance of maize hybrids with different genetic code against Western Corn Rootworm (WCR) (Diabrotica virgifera virgifera LeConte). Tolerance of maize hybrids against larval damage of WCR was studied under field circumstances in 2007-2009. In order to reveal differences among the hybrids, root damage evaluation according to a modified IOWA scale and surveying of tilted plants was used. In 2009 degree of root damage was measured in pot trials using artificial infestation and evaluated according to Ollefson-Tollefson scale. Based on the results three susceptible and three tolerant hybrids were chosen. Plants of these hybrids were cultivated on nutrient solution in a climate chamber. Whole amount of cyclic hidroxamic acid (cHx) content of roots was measured. Photometric measure of chelated ferric complexes of hydroxamic acids was the basis of the determination assays. Our studies did not show any decided difference between the susceptible and tolerant hybrids in the cyclic hydroxamic acid content of roots. Differences amongst the hybrids were at most the double amount. There were both susceptible and tolerant hybrids with higher and lower hydroxamic acid content. It is suggested making further investigations to reveal the differences in tolerance against WCR among hybrids.
Tárgyszavak:	Agrártudományok Növénytermesztési és kertészeti tudományok idegen nyelvű folyóiratközlemény külföldi lapban cyclic hydroxamic acid
Megjelenés:	Növénytermelés 59 : Suppl. (2010), p. 453-456. -
További szerzők:	Nádasy Miklós (agrár) Makleit Péter (1966-) (növényélettanász)
Internet cím:	Intézményi repozitóriumban (DEA) tárolt változat
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