Relationship between yearly fluctuations in Fusarium head blight intensity and environmental variables: a window-pane analysis

Phytopathology
A B KrissL V Madden

Abstract

Window-pane methodology was used to determine the length and starting time of temporal windows where environmental variables were associated with annual fluctuations of Fusarium head blight (FHB) intensity in wheat. Initial analysis involved FHB intensity observations for Ohio (44 years), with additional analyses for Indiana (36 years), Kansas (28 years), and North Dakota (23 years). Selected window lengths of 10 to 280 days were evaluated, with starting times from approximate crop maturity back to the approximate time of planting. Associations were quantified with Spearman rank correlation coefficients. Significance for a given variable (for any window starting time in a collection of starting times) was declared using the Simes' multiplicity adjustment; at individual time windows, significant correlations were declared when the individual (unadjusted) P values were <0.005. In all states, moisture- or wetness-related variables (e.g., daily average relative humidity [RH] and total daily precipitation) were found to be positively correlated with FHB intensity for multiple window lengths and starting times; however, the highest correlations were primarily for shorter-length windows (especially 15 and 30 days) at similar starting ...Continue Reading

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Citations

Jan 24, 2014·Phytopathology·D A ShahL V Madden
Apr 8, 2016·Journal of Food Protection·Luis SabillónAndréia Bianchini
May 6, 2019·Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences·D A ShahL V Madden
Oct 22, 2019·Phytopathology·Bhim ChaulagainPhilippe Rott
Jun 7, 2018·Environmental Entomology·Elias Van de VijverGeert Haesaert
Mar 16, 2021·PLoS Computational Biology·Denis A ShahLaurence V Madden

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