With a name like halo blight, you might expect to read about little cherubs, but that’s not the case. The bacteria responsible for halo blight are no angels. Halo blight is a global disease of legumes, affecting kidney beans, lima beans, snap beans, scarlet runners, and other bean varieties.
Managing halo blight
As with other diseases, prevention is the easier way to go. Since moisture is needed for halo blight to develop and spread, avoid overhead watering and save the sprinklers for your lawn. Furrow irrigation will direct water to the roots without creating a potential disease site. Halo blight is most likely when temperatures are between 68 and 74°F (20 to 23 °C). Unlike many other blight diseases, halo blight bacteria prefer these slightly cooler temperatures. Use these tips to prevent halo blight in your garden:
Fixed copper or Bordeaux mixture treatments may prevent halo blight. Comments are closed.
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