Bondi Junction NSW, Australia
Fact Sheets
2021-09-08T03:10:24.3499686Z
   2
Bean Phaseolus rust (217)
Pacific Pests, Pathogens and Weeds
Pacific Pests, Pathogens and Weeds

Summary

  • Worldwide distribution. On Phaseolus species. Usually, a major disease depending on variety.
  • Circular pustules, 1-2 mm, light green at first on both leaf surfaces, with halos on the top. Bursting to produce reddish-brown spores.
  • Spread is by spores in the wind.
  • Cultural control: plant beans with maize, at random, not in rows; use a 2-year crop rotation; do not plant overlapping crops; resistant varieties; collect and burn trash after harvest.
  • Chemical control: use mancozeb, starting when the spots are first seen.

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