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Research Paper | Agronomy | Ivory Coast | Volume 11 Issue 9, September 2022 | Popularity: 4.1 / 10

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Control of Weed in the Cotton Crop by the Association Flufenacet + Diflufenican in Cote D'ivoire

Tehia Kouakou E.

Abstract: The herbicide efficacy and selectivity of the flufenacet + diflufenican combination were studied in cotton at three different sites over two years in C?te d'Ivoire. The Fisher block design adopted for both types of trials included adjacent controls for the efficacy trials. The three rates of this combination (160 + 40 g a. s. /ha, 200 + 50 g a. s. /ha and 300 + 75 g a. s. /ha) controlled weediness well when it was not dominated by Acanthospermum hispidum DC. and Mesosphaerum suaveolens (L.) Kuntze. From 200 + 50 g a. i. /ha, the correct effectiveness of these herbicides is maintained until at least 50 days after sowing. This herbicide combination is selective for the cotton crop despite the appearance of some signs of phytotoxicity which disappear before 80 days after sowing. The three tested doses of flufenacet + diflufenican had no significant effect on the number of plants at harvest, the number of open bolls and the yield. It is therefore selective on cotton.

Keywords: Cotton, flufenacet + diflufenican, weeds, efficacy, selectivity

Edition: Volume 11 Issue 9, September 2022

Pages: 1007 - 1011

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