Comparative Efficacy of Three Doses of COLAM 247 SC in the Management of Cabbage Insect Pests in Western Burkina Faso
Alizèta Sawadogo *
Centre National de la Recherche Scientifique et Technologique, Institut de l’Environnement et de Recherches Agricoles, Centre Régional de Référence en fruits et légumes, Laboratoire Central d’Horticulture, BP 910 Bobo-Dioulasso, Burkina Faso.
Rabieta Simdé
Centre National de la Recherche Scientifique et Technologique, Institut de l’Environnement et de Recherches Agricoles, Centre Régional de Référence en fruits et légumes, Laboratoire Central d’Horticulture, BP 910 Bobo-Dioulasso, Burkina Faso.
Elias Mano
Centre National de la Recherche Scientifique et Technologique, Institut de recherche en Sciences Appliquées et Technologies, Centre Régional de référence en fruits et légumes, Laboratoire Central d’Horticulture, BP 910 Bobo-Dioulasso, Burkina Faso.
Issaka Zida
Centre National de la Recherche Scientifique et Technologique, Institut de l’Environnement et de Recherches Agricoles, Centre Régional de Référence en fruits et légumes, Laboratoire Central d’Horticulture, BP 910 Bobo-Dioulasso, Burkina Faso.
*Author to whom correspondence should be addressed.
Abstract
Aims: Contribute to protect Cabbage crops by evaluating the biological efficacy of a new binary, COLAM 247 SC.
Study Design: A completely randomized Fisher block with five treatments and four replicates.
Place and Duration of Study: The efficacy of some insecticides on Cabbage’s insect pests was carried out in a farming environment on the developed perimeter of the Vallée du Kou, region of Hauts Bassins, Burkina Faso between September and December 2022.
Methodology: Treatments included Colam 1 (0.075 l/ha), Colam 2 (0.15 l/ha), Colam 3 (0.25 l/ha), K-optimal (1 l/ha) and the untreated control. Each elementary plot covered an area of 24 m2. The distance between elementary plots was 1 m and that between blocks was 2 m. Plant spacing was 0.5 m between bunches and 0.8 m between rows, for a total of 60 plants per elementary plot
Results: More than 80% of Aphids populations was reduced by the three doses of Colam 247 SC and K-optimal. The low reduction rates of diamondback moth larvae population were observed with the three doses of Colam 247 SC (14.36 to 21.79%) while K-optimal failed to reduce the larvae population of this insect pest. Chemical insecticide used contributed to improve cabbage yield (74.5 to 89.30 t/ha) as compared to the control (73.50 t/ha) even though statistical analyses did not reveal any significant difference (P > .05).
Conclusion: The Colam 247 SC at the dose of 0.15 l/ha can be used by farmers as an additional insecticide in the control of cabbage insect pests.
Keywords: Cabbage crop, density, yield, insecticide, chemical control, caterpillar