Authors:
P. Bónis Research Institute of the Hungarian Academy of Sciences Crop Production Department Martonvásár Hungary

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T. Árendás Research Institute of the Hungarian Academy of Sciences Crop Production Department Martonvásár Hungary

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I. Jócsák Research Institute of the Hungarian Academy of Sciences Crop Production Department Martonvásár Hungary

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C. Mikecz Research Institute of the Hungarian Academy of Sciences Crop Production Department Martonvásár Hungary

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G. Micskei Research Institute of the Hungarian Academy of Sciences Crop Production Department Martonvásár Hungary

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L. Marton Research Institute of the Hungarian Academy of Sciences Maize Breeding Department of the Agricultural Martonvásár Hungary

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Inbred maize lines were treated with normal and double rates of post-emergence herbicides in a small-plot field experiment in one dry and one wet year. The chlorophyll a + b content of symptom-free ear-leaves was determined using a spectrophotometer after 50% silking in order to determine whether various rates of post-emergence herbicides had any effect on the chlorophyll content at flowering and how this was influenced by the type of year. The chlorophyll a + b content of the inbred lines was greatly dependent on the year, with values twice as high in the wet year as in the dry year. Treatment with tembotrione + isoxadifen-ethyl had no effect on the chlorophyll content in either year. Both rates of mesotrione + terbutylazine reduced the chlorophyll a + b content of one stress-sensitive inbred line in the dry year, but not in the wet year. In the wet year bentazone + dicamba increased the chlorophyll content, but only for one line was this effect significant irrespective of the dose. In the dry year the double dose caused a significant increase in this genotype, but the chlorophyll contents of the other lines did not differ significantly from the control.

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Acta Agronomica Hungarica
Language English
Russian
German
French
Size  
Year of
Foundation
1950
Publication
Programme
ceased
Volumes
per Year
 
Issues
per Year
 
Founder Magyar Tudományos Akadémia   
Founder's
Address
H-1051 Budapest, Hungary, Széchenyi István tér 9.
Publisher Akadémiai Kiadó
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 0238-0161 (Print)
ISSN 1588-2527 (Online)

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