Alk (en) ylresorcinol concentrations in'Kensington Pride'mango peel and antifungal activity against Colletotrichum gloeosporioidesTools Irving, D., Dann, E., Coates, L. and Wearing, A. (2013) Alk (en) ylresorcinol concentrations in'Kensington Pride'mango peel and antifungal activity against Colletotrichum gloeosporioides. Acta Horticulturae, 975 . pp. 217-222. ISSN 0567-7572 Full text not currently attached. Access may be available via the Publisher's website or OpenAccess link. Publisher URL: http://www.actahort.org/books/975/975_23.htm AbstractTwo preformed alk(en)ylresorcinols, 5-n-heptadecenylresorcinol and 5-n-pentadecylresorcinol, were identified in ‘Kensington Pride’ mango fruit peel. The alk(en)ylresorcinols had antifungal activity against C. gloeosporioides, as determined from thin layer chromatography bioassays. Soil-applied activators of plant defence (Acibenzolar at 150 mg L-1, and soluble potassium silicate at 200 and 1000 mg L-1) did not influence concentrations of 5-n-heptadecenylresorcinol or 5-n-pentadecyl¬resorcinol in mango peel when applied 2 months after fruit set and one month later. Concentrations of both alk(en)ylresorcinols were high 2 months after fruit set but levels declined by 50% within 1 month (2 months before commercial harvest) and did not change significantly from commercial harvest until eating-ripe.
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