Plants and humans have many similarities. One is the ability to contract bacterial and viral diseases. As with humans, when a plant’s immune system is weakened due to stress, or poor health, they can be attacked by many numerous diseases. Most diseases attack the plant through the foliage, yet poor soil conditions can cause plants to be invaded by soil pathogens. Many plant diseases are seasonal, and do not cause long-term effects to the plant. Native plants are often immune to most of these diseases. Urban plants are usually foreign to the area, and cannot suppress these diseases. The best way to keep the shrubs and ornamental trees free of disease is to maintain them in a vigorous state of health. This is best done with regular treatments containing beneficial bacteria and rich organic nutrients . Close plant inspections, and knowledge of seasonal outbreaks by an experienced plant specialist, help catch disease issues before they can spread.
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