Bondi Junction NSW, Australia
Fact Sheets
2021-09-08T03:10:19.0298485Z
   3
Bean angular leaf spot (216)
Pacific Pests, Pathogens and Weeds
Pacific Pests, Pathogens and Weeds

Summary

  • Worldwide. In sub-tropics and tropics. On many types of beans. An important disease; high pod loss.
  • Spots on primary leaves round, brown, zoned, up to 10 mm; smaller, 3 mm, angular, spots on trifoliate leaves. Dark, sunken spots on stems and pods.
  • Spread is by spores in wind; also on seed.
  • Cultural control: certified seed; collect and burn trash after harvest; do not plant overlapping crops.
  • Chemical control: treat seed with carbendazim; if fungicides are needed in the field use copper or mancozeb.

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