Rainfall Thresholds as Support for Timing Fungicide Applications in the Control of Potato Late Blight in Ecuador and Peru.

@article{Kromann2009RainfallTA,
  title={Rainfall Thresholds as Support for Timing Fungicide Applications in the Control of Potato Late Blight in Ecuador and Peru.},
  author={Peter Kromann and Arturo Taipe and Willmer G P{\'e}rez and Gregory Forbes},
  journal={Plant disease},
  year={2009},
  volume={93 2},
  pages={
          142-148
        }
}
Accumulated rainfall thresholds were studied in seven field experiments conducted in Ecuador and Peru for their value in timing applications of fungicide to control potato late blight, caused by Phytophthora infestans. Fungicide regimes based on accumulated rainfall thresholds ranging from 10 to 70 mm were compared with calendar spray schemes of every 5 or 7 days. Very low thresholds of 10 to 20 mm gave similar levels of control and resulted in similar number of sprays as did calendar spraying… CONTINUE READING

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