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Alk (en) ylresorcinol concentrations in'Kensington Pride'mango peel and antifungal activity against Colletotrichum gloeosporioides

Irving, DE and Dann, EK and Coates, LM and Wearing, AH (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

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Publisher URL: http://www.actahort.org/books/975/975_23.htm

Abstract

Two 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.

Item Type:Article
Business groups:Horticulture and Forestry Science
Additional Information: VII International Postharvest Symposium
Subjects:Plant culture > Fruit and fruit culture
Plant culture > Harvesting, curing, storage
Deposited On:21 Aug 2014 07:01
Last Modified:21 Aug 2014 07:01

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