Glyphosate in agronomic performance and seed quality of soybean with cp4-EPSPs and cry1Ac genes

• Autorzy: Silva A.F.M. , Albrecht A.J.P. , Albrecht L.P. , Pellicci V.A. , Giovanelli B.F. , Ghirardello G.A. , Viana H.R.M. , Filho R.V.
• Języki publikacji: EN

Abstrakty

EN

The “second generation” of glyphosate-tolerant soybean (GT2 soybean) was developed through a different technique of insertion of the glyphosate-insensitive EPSPs gene, in comparison with “first generation” of glyphosate-tolerant soybean. However, there is not enough information available about glyphosate selectivity in GT2 soybean and the effects on the quality of seeds produced. The aim of this study was to evaluate tolerance to glyphosate and seed quality of soybean cultivar NS 6700 IPRO (GT2) with cp4-EPSPs and cry1Ac genes, after application at post-emergence (V4). The experiment was conducted in a randomized block design with four replicates and seven treatments, or rates of glyphosate (0; 720; 1,440; 2,160; 2,880; 3,600; 4,320 g of acid equivalent − a.e. · ha−1). Assessments were performed for crop injury, SPAD index and variables related to agronomic performance and seed quality. A complementary trial with the same cultivar and treatments in a greenhouse was conducted in a completely randomized design with four replications. Data analysis indicated no significant effect of glyphosate on V4 on agronomic performance and physiological quality of seeds, for two growing seasons. The soybean cultivar NS 6700 IPRO (GT2), with cp4-EPSPs and cry1Ac genes, was tolerant to glyphosate up to the maximum rate applied (4,320 g a.e. · ha−1) at post-emergence (V4). The quality of soybean seeds was not affected by glyphosate up to the maximum rate applied (4,320 g a.e. · ha−1) at post-emergence (V4).

Słowa kluczowe

EN

crop injury; Glycine max; soybean; glyphosate-tolerant soybean; herbicide; selectivity; agronomic performance; seed quality; cp4-EPSPs gene; cry1Ac gene

• Wydawca: -
• Czasopismo: Journal of Plant Protection Research
• Rocznik: 2018
• Tom: 58
• Numer: 4
• Opis fizyczny: p.345-353,fig.,ref.

Twórcy

autor

Silva A.F.M.

• Department of Crop Science, University of Sao Paulo, “Luiz de Queiroz” College of Agriculture, Piracicaba, Sao Paulo, 13418-900, Brazil

autor

Albrecht A.J.P.

• Department of Crop Science, Federal University of Parana, Palotina, Parana, Brazil

autor

Albrecht L.P.

• Department of Crop Science, Federal University of Parana, Palotina, Parana, Brazil

autor

Pellicci V.A.

• Department of Crop Science, University of Sao Paulo, “Luiz de Queiroz” College of Agriculture, Piracicaba, Sao Paulo, 13418-900, Brazil

autor

Giovanelli B.F.

• Department of Crop Science, Sao Paulo State University “Julio de Mesquita Filho”, College of Agronomic Sciences, Botucatu, Sao Paulo, Brazil

autor

Ghirardello G.A.

• Department of Crop Science, University of Sao Paulo, “Luiz de Queiroz” College of Agriculture, Piracicaba, Sao Paulo, 13418-900, Brazil

autor

Viana H.R.M.

• Department of Crop Science, University of Sao Paulo, “Luiz de Queiroz” College of Agriculture, Piracicaba, Sao Paulo, 13418-900, Brazil

autor

Filho R.V.

• Department of Crop Science, University of Sao Paulo, “Luiz de Queiroz” College of Agriculture, Piracicaba, Sao Paulo, 13418-900, Brazil

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Identyfikatory

DOI

10.24425/jppr.2018.124644