American Journal of Plant Sciences

Volume 11, Issue 5 (May 2020)

ISSN Print: 2158-2742   ISSN Online: 2158-2750

Google-based Impact Factor: 1.20  Citations  h5-index & Ranking

Plantain Bananas PIF Seedlings Treatment with Liquid Extracts of Tithonia diversifolia Induces Resistance to Black Sigatoka Disease

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DOI: 10.4236/ajps.2020.115049    533 Downloads   2,657 Views  Citations

ABSTRACT

Plantain bananas culture encounters the problems of seedlings quantity and quality unavailability. Black Sigatoka Disease (BSD) is one of the main pathological constraints of banana that can severely reduce the photosynthetic leaf area, leading to the losses of production of about 50% in banana plantation. The use of liquid extracts of Tithonia diversifolia could potentially induced the resistance of the PIF seedlings to BSD during the vegetative stages in the nursery. The aim of this work was to evaluate the effect of Tithonia diversifolia liquid extracts against the development of BSD on the PIF plantain bananas seedlings. The explants in the greenhouse and the seedlings in the shade were watered with liquid extracts of T. diversifolia during the process of PIF seedling production in sterile and non-sterile conditions. The treated seedlings show a more effective enhancement of seedlings quality parameters and also induce resistance against BSD. The vegetative stages parameters (the number of shoots, the diameter and the height of shoots, the foliar area, the length and weight roots) were improved in treated seedlings compared to controls ones. The treated seedlings showed maximum protection against BSD of up to 87% compared to controls. They also exhibited an increase in the accumulation of total proteins and total phenolics, as well as the activity of defense-related enzymes (peroxidase, polyphenol oxidase and glucanase). The treatment seems to acts as a vital stimulator and could therefore be a useful tool for small holder farmers favouring an eco-friendly agriculture using fewer synthetic inputs.

Share and Cite:

Tatsegouock, R. , Ewané, C. , Meshuneke, A. and Boudjeko, T. (2020) Plantain Bananas PIF Seedlings Treatment with Liquid Extracts of Tithonia diversifolia Induces Resistance to Black Sigatoka Disease. American Journal of Plant Sciences, 11, 653-671. doi: 10.4236/ajps.2020.115049.

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