Treatment with fungicides influences phytochemical quality of blackcurrant juice

A. J. Nwankno, S. L. Gordon, S. R. Verrall, R. M. Brennan, R. D. Hancock

Research output: Contribution to journalArticle

Abstract

The impact of fungicide treatment on fungal infection and blackcurrant juice quality was examined in a series of field experiments over the course of 2 years. Fungicide treatment reduced the incidence of foliar disease and resulted in changes in the concentration of sugars, organic acids, polyphenols and anthocyanins in blackcurrant juice. Treatment with Signum® (containing pyraclostrobin, a strobilurin, and boscalid, a succinate dehydrogenase inhibitor) enhanced glucose, fructose and total sugar content in one treatment year but not in another. Treatment with Signum or Filan® (containing boscalid only) caused a reduction in the key organic acid citrate. Treatment with Signum or Platoon® (containing pyraclostrobin only) enhanced total polyphenol and anthocyanin content of juices. The data suggest a beneficial impact of fungicide treatment not only on disease control but also on juice phytochemistry.
Original languageEnglish
Pages (from-to)86–96
Number of pages11
JournalAnnals of Applied Biology
Volume160
Issue number1
DOIs
StatePublished - Jan 2012
Externally publishedYes

Fingerprint

juices
fungicides
black currants
boscalid
pyraclostrobin
organic acids and salts
anthocyanins
polyphenols
juice quality
succinate dehydrogenase
plant biochemistry
foliar diseases
citrates
sugar content
phytochemicals
fructose
disease control
sugars
incidence
glucose

Cite this

Nwankno, A. J., Gordon, S. L., Verrall, S. R., Brennan, R. M., & Hancock, R. D. (2012). Treatment with fungicides influences phytochemical quality of blackcurrant juice. Annals of Applied Biology, 160(1), 86–96. DOI: 10.1111/j.1744-7348.2011.00523.x

Nwankno, A. J.; Gordon, S. L.; Verrall, S. R.; Brennan, R. M.; Hancock, R. D. / Treatment with fungicides influences phytochemical quality of blackcurrant juice.

In: Annals of Applied Biology, Vol. 160, No. 1, 01.2012, p. 86–96.

Research output: Contribution to journalArticle

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Nwankno, AJ, Gordon, SL, Verrall, SR, Brennan, RM & Hancock, RD 2012, 'Treatment with fungicides influences phytochemical quality of blackcurrant juice' Annals of Applied Biology, vol 160, no. 1, pp. 86–96. DOI: 10.1111/j.1744-7348.2011.00523.x

Treatment with fungicides influences phytochemical quality of blackcurrant juice. / Nwankno, A. J.; Gordon, S. L.; Verrall, S. R.; Brennan, R. M.; Hancock, R. D.

In: Annals of Applied Biology, Vol. 160, No. 1, 01.2012, p. 86–96.

Research output: Contribution to journalArticle

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Nwankno AJ, Gordon SL, Verrall SR, Brennan RM, Hancock RD. Treatment with fungicides influences phytochemical quality of blackcurrant juice. Annals of Applied Biology. 2012 Jan;160(1):86–96. Available from, DOI: 10.1111/j.1744-7348.2011.00523.x