Winter wheat response to application of reduced doses of fluroxypyr + 2,4 D
Sylwia Kaczmarek
sekretariat@iorpib.poznan.plInstytut Ochrony Roślin — PIB w Poznaniu (Poland)
Roman Kierzek
Instytut Ochrony Roślin — PIB w Poznaniu (Poland)
Dariusz Gruchot
Instytut Ochrony Roślin — PIB w Poznaniu (Poland)
Abstract
Main goal of the investigation was evaluation of response of two winter wheat varieties of different plant height (Zyta -tall, Kris — short) to application of reduced doses of fluroxypyr + 2,4D mixture. The field experiments were carried out at the Institute of Plant Protection in Poznań, in the years 2006 and 2007. In order to assess competition of the wheat varieties to weed community, data were collected on weeds composition, number of weed plants per area and their fresh biomass. The data were recorded twice: 3–4 weeks and 5–6 weeks after the herbicide treatment. Grain yield, thousand kernels weight and test weight of wheat was determined after harvest. The analysis indicated, that the Zyta cultivar was more competitive to weeds than the Kris one. The reduced doses of the herbicide significantly decreased fresh mass of weeds, in comparison to the control objects.
Keywords:
winter wheat, winter wheat varieties, yielding, reduced herbicide dosesReferences
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Authors
Sylwia Kaczmareksekretariat@iorpib.poznan.pl
Instytut Ochrony Roślin — PIB w Poznaniu Poland
Authors
Roman KierzekInstytut Ochrony Roślin — PIB w Poznaniu Poland
Authors
Dariusz GruchotInstytut Ochrony Roślin — PIB w Poznaniu Poland
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Copyright (c) 2009 Sylwia Kaczmarek, Roman Kierzek, Dariusz Gruchot
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