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Aug 8, 2016Keywords:
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Le profenofos, un alternatif à l’endosulfan en culture cotonnière au Bénin
Abstract
Dans l’objectif de trouver un alternatif à l’endosulfan, l’efficacité du profenofos et de l’endosulfan a été étudié dans un dispositif de bloc aléatoire complet en station et en milieu réel. Sur station, le profenofos assure un contrôle, équivalent et parfois significativement supérieur (p < 0,001) à l’endosulfan, des populations des ravageurs comme Helicoverpa armigera, Earias spp, Pectinophora gossypiella, Cryptophlebia leucotreta. Le Fanga 500 EC (profenofos 750 g/ha) a été significativement supérieur (p < 0,05) à Callisulfan 350 EC (endosulfan 700 g/ha) pour le contrôle des populations de Aphis gossypii, Pectinophora gossypiella et Earias spp. Il en résulte une production de capsules vertes saines qui montre que le Calfos 500 EC (profenofos 750 g/ha) est équivalent aux différentes formulations d’endosulfan testées et parfois significativement meilleur (p < 0,01) au Thiofanex 350 EC (endosulfan 700 g/ha). A la récolte du coton graine, le profenofos procure un rendement significativement supérieur (p < 0,05) à l’endosulfan. En milieu paysan, aucune différence significative (p > 0,05) n’a été observée entre le Calfos 500 EC (profenofos 750 g/ha) et le Callisulfan 350 EC (endosulfan 700 g/ha) à la récolte du coton graine. Le profenofos peut être appliqué comme un alternatif à l’endosulfan en culture cotonnière au Bénin.
© 2016 International Formulae Group. All rights reserved.
Mots clés: Profenofos, alternatif à l’endosulfan, culture cotonnière, Bénin
English Title: The profenofos, an alternative to endosulfan in cotton crop in Benin
English Abstract
In the objective to find an alternative to endosulfan, the efficacy of profenofos and endosulfan has been studied in a complete randomized block design in experimentation station and in real environment. In station, the profenofos provides, in comparison with endosulfan, an equivalent control, and sometimes, a significantly higher (p < 0.001) control, of cotton pest populations including Helicoverpa armigera, Earias spp, Pectinophora gossypiella, Cryptophlebia leucotreta. The effect of Fanga 500 EC (profenofos 750 g/ha) has been significantly higher (p < 0.05) than the effect of Callisulfan 350 EC (endosulfan 700 g/ha) for the control of the populations of Aphis gossypii, Pectinophora gossypiella and Earias spp. It results, of this fact, a production of the best quality of cotton which shows that the Calfos 500 EC (profenofos 750 g/ha) is equivalent to various formulations of endosulfan tested and sometimes significantly better (p < 0.01) than Thiofanex 350 EC (endosulfan 700 g/ha). At harvest time, the profenofos provides a yield of seed cotton significantly higher (p < 0.05) than those obtained with endosulfan. In real environment, at harvest time of seed cotton, no significant difference (p > 0.05) has been observed between the Calfos 500 EC (profenofos 750 g/ha) and the Callisulfan 350 EC (endosulfan 700 g/ha). The profenofos can be used as an alternative to endosulfan in cotton crop in Benin.
© 2016 International Formulae Group. All rights reserved.
Keywords: Profenofos, alternative to endosulfan, cotton crop, Benin
