Influence of phosphorous acid application on the accumulation of total phenolic compounds in coconut husk (Cocos nucifera Linn.)

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Research Paper 01/09/2015
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Influence of phosphorous acid application on the accumulation of total phenolic compounds in coconut husk (Cocos nucifera Linn.)

N’goran Koua Serge Beranger, Gogbeu Seu Jonathan, Kouassi Akossoua Faustine, Bomisso Lezin Edson, Konan Konan Jean Louis, Allou Kouassi, Ake Severin
Int. J. Agron. & Agric. Res. 7(3), 54-59, September 2015.
Copyright Statement: Copyright 2015; The Author(s).
License: CC BY-NC 4.0

Abstract

One mechanism used by coconut plant to protect itself against Phytophthorakatsurae is linked to total polyphenols production. This study aimed to investigate the impact of phosphorous acid plant treatment on the production of total polyphenols in coconuthusk, as part of chemical control. The study was conducted on two coconuts cultivars (EGD and PB 121+) with four doses of phosphorous acid [Control, 2.8 g (TA), 5.6 g (TB), 11.2 g (TC)]. At each sampling, the husks were processed and extracts were prepared for total polyphenols assays. There was significant difference between EGD and PB 121+ total polyphenols production (p<0.001). The interaction between coconut variety and phosphorous acid doses was also significant. The interaction EGD and TC had the highest total polyphenols accumulation of 4838.5 µg/g of fresh weight (FW). For PB121+, the highest total polyphenols accumulation of 6433.71 µg/g FW was obtained from the interaction between PB121+ and T0. From this observation, it could be statedthat phosphorous acid only triggers the treated plantdefense mechanisms to produce total phenolic compounds when attacked by a pathogen.

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