Study on the efficacy of weed control in wheat ( Triticum aestivum L.) with tank mixtures of grass herbicides with broadleaved herbicides

Field experiments were conducted in 2004–2005 to study weed control and winter wheat response to tank mixtures of a wide range of broadleaved herbicides currently applied in wheat in Iran with grass herbicides clodinafop propargyl and fenoxaprop- p-ethyl. These experiments were conducted at Gonbad,...

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Bibliographic Details
Published in:	Crop protection Vol. 27; no. 1; pp. 104 - 111
Main Authors:	Baghestani, Mohammad Ali, Zand, Eskandar, Soufizadeh, Saeid, Beheshtian, Mohsen, Haghighi, Abdolaziz, Barjasteh, Alireza, Birgani, Daryoush Ghanbarani, Deihimfard, Reza
Format:	Journal Article
Language:	English
Published:	Elsevier Ltd 2008
Subjects:	broadleaf weeds Broadleaved herbicide Dual purpose herbicide field experimentation Grain yield Grass herbicide grass weeds herbicides pesticide mixtures Triticum aestivum Weed biomass weed control Weed population winter wheat Iran Weed population Dual purpose herbicide Weed biomass Broadleaved herbicide Grain yield Grass herbicide
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Summary:	Field experiments were conducted in 2004–2005 to study weed control and winter wheat response to tank mixtures of a wide range of broadleaved herbicides currently applied in wheat in Iran with grass herbicides clodinafop propargyl and fenoxaprop- p-ethyl. These experiments were conducted at Gonbad, Shahroud and Dezfoul as a randomized complete block design with four replications. Herbicides were applied at wheat tillering. Results indicated that herbicide mixtures rarely resulted in antagonistic effects. Conversely, in some cases synergistic reactions were more distinct and better performance was achieved when herbicides were applied in mixture. It was found that clodinafop propargyl acted better than fenoxaprop- p-ethyl when tank mixed with broadleaved herbicides. Also, bromoxynil plus MCPA included treatments almost acted well with regard to the broadleaved weed control. Dual purpose herbicide iodosulfuron-methyl-sodium plus mesosulfuron-methyl at 21 g ai/ha was also a good option in controlling weeds. Overall, tank mixture bromoxynil plus MCPA at 600 g ai/ha with clodinafop propargyl at 96 g ai/ha resulted in the highest grain yield.
Bibliography:	http://dx.doi.org/10.1016/j.cropro.2007.04.013
ISSN:	0261-2194 1873-6904
DOI:	10.1016/j.cropro.2007.04.013