Abstract
The heavy use of pesticides in banana cultivation is associated to environmental and human health degradation. Environmentally friendly alternatives for sustainable agriculture are needed to mitigate the negative impacts of chemicals. This study aims to evaluate the efficiency of biocontrols in the synthesis of bioactive secondary metabolites, mainly polyphenols. Thus, three biocontrols (Vacciplant®, Callel®, and Calliete®) were applied on three cultivars of banana (Orishele, Corne, and French) for 24 h, 48 h, and 72 h and the polyphenol contents were measured. Results showed that the polyphenol contents varied in function of the incubation time and the variety of banana. The highest polyphenol contents were 170.8 and 169.47 µg/g FM and were obtained with Corne-Calliete (Co-Ca) and Corne-Vacciplant (Co-V) respectively. Biocontrols Vacciplant® and Calliette® showed had the best action in stimulating polyphenol production in the three cultivars of banana.
Highlights
Banana (Musa spp., Group AAB) is an herbaceous monocotyledonous plant belonging to the Musaceae family and the genus Musa
24 h and 48 h after incubation, the values were not significantly different regardless of the biocontrol concentration applied to the cultivars concerned
The results showed a cultivar effect on the accumulation of phenolic compounds
Summary
Banana (Musa spp., Group AAB) is an herbaceous monocotyledonous plant belonging to the Musaceae family and the genus Musa It is cultivated primarily for its fruit, which is consumed fresh for dessert banana or cooked for plantain (Lassoudière, 2007). In Côte d’Ivoire, it ranks third after yam and cassava and its annual production varied between two and three million tons, which is far to meet the population’s food needs (National Agronomic Research Center [CNRA], 2015). This insufficient production is partly the direct consequence of the increasingly harmful actions of bioaggressors, nematodes and fungi (N’cho et al, 2017). Pesticides are being increasingly abandoned because of environmental and health problems
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