Nematicides increase grain yields in spring wheat cultivars and suppress plant-parasitic and bacterial-feeding nematodes

Grain yields of spring wheat (Triticum aestivum L. cvs. AC Barrie, AC Walton, AC Wilmot, Belvedere, Glenlea) in field plots over a 3-year period were increased (P < 0.001) by an average of 0.56 (25.1%) and 1.17 (52.5%) tonnes/ha in comparison to untreated check plots when aldicarb at 2.24 kg or f...

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Veröffentlicht in:Journal of nematology. - 1969. - 37(2005), 4 vom: 03. Dez., Seite 473-6
1. Verfasser: Kimpinski, J (VerfasserIn)
Weitere Verfasser: Martin, R A, Sturz, A V
Format: Aufsatz
Sprache:English
Veröffentlicht: 2005
Zugriff auf das übergeordnete Werk:Journal of nematology
Schlagworte:Journal Article aldicarb bacterial-feeding nematodes fosthiazate root lesion nematodes spring wheat
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245 1 0 |a Nematicides increase grain yields in spring wheat cultivars and suppress plant-parasitic and bacterial-feeding nematodes 
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520 |a Grain yields of spring wheat (Triticum aestivum L. cvs. AC Barrie, AC Walton, AC Wilmot, Belvedere, Glenlea) in field plots over a 3-year period were increased (P < 0.001) by an average of 0.56 (25.1%) and 1.17 (52.5%) tonnes/ha in comparison to untreated check plots when aldicarb at 2.24 kg or fosthiazate at 13.5 a.i./ha, respectively, were broadcast and incorporated into the soil to suppress nematodes. The planned F test using orthogonal coefficients indicated that the mean response of grain yields to nematicide treatments of AC Barrie and Glenlea, which are grown primarily in the prairie provinces of Canada, was greater (48.5%) than the mean response of Belvedere, AC Walton, and AC Wilmot (33.7%), which are more common in the Maritime region of Canada (P < 0.001). Root lesion nematodes (primarily Pratylenchus penetrans) in wheat roots and in root zone soil at harvest were reduced by the nematicide applications (P < 0.001). Bacterial-feeding nematodes (primarily Diplogaster lheritieri (Maupas)) in root zone soil were also suppressed by fosthiazate (P < 0.01) but not by aldicarb. These data indicate that root lesion nematodes cause substantial yield losses in spring wheat in the Maritime region of Canada 
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700 1 |a Martin, R A  |e verfasserin  |4 aut 
700 1 |a Sturz, A V  |e verfasserin  |4 aut 
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