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- W2017271909 abstract "In a 2-year trial on arabica coffee in Kenya, a cuprous oxide fungicide (50% Cu) at a range of 0–5% (w/w) was applied by mist-blower five times a year at approximately 10 gal./acre. The results demonstrated: (i) a positive linear relationship between log. spray concentration and the amount of copper (expressed as log10 mg. Cu/m.2+1) retained by the foliage; (ii) a significant negative linear relationship between spray concentration and the incidence of leaf rust (caused by Hemileia vastatrix Berk. & Br.); (iii) a positive linear relationship between concentration of fungicide applied and yield of coffee. An additional spray in May increased the mean annual yield by 2 cwt. coffee per acre and reduced a heavy rust attack. Trees receiving the highest spray concentration retained the most leaves; at lower concentrations there was considerable leaf fall but this was offset by new leaf production; unsprayed trees suffered severe leaf loss and were unable to produce as much new foliage." @default.
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- W2017271909 date "1965-02-01" @default.
- W2017271909 modified "2023-09-27" @default.
- W2017271909 title "Low-volume spraying to control coffee leaf rust in Kenya" @default.
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- W2017271909 doi "https://doi.org/10.1111/j.1744-7348.1965.tb07875.x" @default.
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