Almost any change in the way the landscape is managed will alter the disease situation - sometimes for benefit, and sometimes for harm. Use biological and cultural disease controls. There are many reasons why homeowners and landscape managers prefer biological and cultural practices for landscape disease management. Reduced uses of chemical pesticides in urban landscapes have evident environmental, worker safety, and public health value. Landscape diversity lends itself to custom tailoring of site specific disease control methods, which often favor biological and cultural techniques.
Some cultural practices provide broad-spectrum disease management.
Altering disease susceptibility of landscape plants. Disease Management Practice Diseases or Pathogens Affected Use disease-resistant cultivars and species. This biological control act is the safest and most effective way to control diseases. Many nurseries provide disease resistant information for their cultivars. Fertilize based on soil tests.