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GPMB 2025

Evaluation of the phytopharmaceutical potential of extracts of Thévétia peruviana seeds against sclerotinia of common bean

Abeng Ndoumou Elisee, Speaker at Plant Biology Conferences
The University of Yaounde, Cameroon
Title : Evaluation of the phytopharmaceutical potential of extracts of Thévétia peruviana seeds against sclerotinia of common bean

Abstract:

We present here in summary a study that was done in Cameroon at the University of Yaoundé 1, Faculty of Sciences more precisely at the Department of Biology and Plant Physiology. This study was carried out within the framework of agricultural biology via the use of extracts (aqueous, acetone and methanol) of Thévétia peruviana seeds in the field and in the laboratory to reduce the development of Sclerotinia sclerotiorum causal agent of sclerotinia of common bean. These diseases mainly affect the leaves of common bean and can completely destroy sensitive cultivars in less than 10 days and cause yield losses of around 50%. As a general objective, it was a question of evaluating the biopesticide effect of Thévétia peruviana seeds. More specifically, the aim was to evaluate the in vitro and then field effect of extracts of Thévétia peruviana seeds on the growth, phytosanitary status and yield of common bean. From what results from this work, it appears that methanol extracts have shown a more significant effect than acetone and aqueous extracts in in vitro conditions while in the field acetone extracts have shown themselves to be more effective than methanol and aqueous extracts.

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