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Comportement agronomique et sanitaire de nouvelles lignØes de piment (Capsicum sp) dans le Sud de la Côte d’Ivoire

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Objective: To determine the agronomic performance of new pepper lines (Capsicum sp) in which eight introduced from AVRDC (PM14/04A, PM15/04A, PM16/04A, PM17/04A, PM51/04A, PM52/04A, PM53/04A and PM57/05A) and a local variety used as a local check (TL) through their assessment in Research Station for their cultivation Côte d’Ivoire. Methodology and results: 9 lines were evaluated in a randomized complete block design with three replications in southern Côte d'Ivoire. Data were collected on agronomic parameters such as crop development, yield and its components and non-marke table fruit rates and sanitary parameters (rate of plants wilted plants and fungal diseases). PM17/04A, PM57/05A, PM14/04A and PM16/04A lines recorded the best performance and highest yields with 8-12 t /ha. In addition, PM16/04A, PM57/05A and PM17/04A with 11.1, 9.7 and 6.9% of mortality, were less affected by bacterial wilt. Conclusion and Application: The four pepper lines PM17/04A, PM14/04A, PM57/05A and PM16/04A, which presented the highest production potentials (good vegetative development and low sensitiveness to the bacterial wilt), could be assessed especially on farmers’ fields in order to determine their capacity of adaptation to the local conditions of production for their final selection. The presence of fungal diseases on pepper varieties was also effective. Subsequent studies could be conducted to confirm Cylindrocarpon sp presence on pepper and to determine the unknown fungal agent. Concerning Rhizoctonia solani, Colletotrichum sp and Fusarium sp fungal agents formally identified, some techniques could also be developed for their best control in the pepper cultivation in Côte d’Ivoire.

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