Fungal cell wall polymer based nanoparticles in protection of tomato plants from wilt disease caused by Fusarium oxysporum f.sp. lycopersici

Carbohydrate Polymers
M Sathiyabama, R Einstein Charles

Abstract

Cell wall polymer (chitosan) was isolated from Fusarium oxysporum f.sp. lycopersici. They were cross linked with sodium tripolyphosphate (TPP) to synthesize nanoparticles (CWP-NP). The nanoparticles were characterized by FTIR, DLS, SEM, XRD and NMR analyses. The isolated CWP-NP exhibit antifungal activity under in vitro condition. The foliar application of the CWP-NP to tomato plants challenged with F. oxysporum f. sp. lycopersici showed delay in wilt disease symptom expression and reduce the wilt disease severity. Treated plants also showed enhanced yield. These results suggested the role of the CWP-NP in protecting tomato plants from F. oxysporum f.sp. lycopersici infection.

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Citations

Jun 28, 2016·International Journal of Molecular Sciences·Massimo Malerba, Raffaella Cerana
Oct 28, 2016·Applied Biochemistry and Biotechnology·Tuyishime PhilibertNsanzabera Fabien
Apr 13, 2018·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Rahat SharifXiping Wang
Mar 21, 2020·International Journal of Biological Macromolecules·Muhammad MujtabaDepeng Wang
Feb 27, 2018·International Journal of Biological Macromolecules·R V KumaraswamyVinod Saharan

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