Diseases and Weeds Before Planting—Young Trees
a good planting site with suitable soil.
- Improve drainage
and other soil conditions before planting.
- Take sanitation measures to limit pathogen spread. For example,
a concrete drainage
ditch on a slope above an avocado grove can divert pathogen
contaminated runoff water.
- Control weeds, especially established perennials.
- Obtain certified, disease-free nursery stock.
- Use pathogen-resistant rootstocks.