Foliar nickel application alleviates detrimental effects of glyphosate drift on yield and seed quality of wheat
Yıldız Kutman, Bahar and Kutman, Ümit Barış and Çakmak, İsmail (2013) Foliar nickel application alleviates detrimental effects of glyphosate drift on yield and seed quality of wheat. Journal of Agricultural and Food Chemistry, 61 (35). pp. 8364-8372. ISSN 0021-8561 (Print) 1520-5118 (Online)
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Official URL: http://dx.doi.org/10.1021/jf402194v
Glyphosate drift to nontarget crops causes growth aberrations and yield losses. This herbicide can also interact with divalent nutrients and form poorly soluble complexes. The possibility of using nickel (Ni), an essential divalent metal, for alleviating glyphosate drift damage to wheat was investigated in this study. Effects of Ni applications on various growth parameters, seed yield, and quality of durum wheat (Triticum durum) treated with sublethal glyphosate at different developmental stages were investigated in greenhouse experiments. Nickel concentrations of various plant parts and glyphosate-induced shikimate accumulation were measured. Foliar but not soil Ni applications significantly reduced glyphosate injuries including yield losses, stunting, and excessive tillering. Both shoot and grain Ni concentrations were enhanced by foliar Ni treatment. Seed germination and seedling vigor were impaired by glyphosate and improved by foliar Ni application to parental plants. Foliar Ni application appears to have a great potential to ameliorate glyphosate drift injury to wheat.
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