Fig. 4

Foliar disease symptoms (a), mycorrhizal colonization intensity (b), yield (c) shoot dry weight (d), shoot N (e) and phosphorus (f) of the control (Con), Rhizophagus intraradices (Ri), Trichoderma asperellum (Ta), and the co-inoculated with Ri × Ta of the common bean varieties grown under the humid forest conditions of Cameroon