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Salt Injury on Ornaments
Salt (sodium chloride) applied as a deicing agent on streets and sidewalks causes severe damage to many species .of roadside and lawn ornamentals. Damage results when salt, dissolved in runoff water, is leached into the root zone or when it comes in contact with foliage and branches in the form of spray created by passing vehicular traffic.
Plant sensitivity to salt varies greatly among species and among individuals of the same species. Many ornamentals exhibit a very high degree of tolerance while others, particularly shallow-rooted species and evergreens, are readily injured. Symptoms of salt injury may not always be well-defined and often resemble those caused by other adverse environmental factors, particularly drought or air pollution, Affected plants commonly exhibit some or all of the following symptoms. Delay in leaf bud break and flowering, stunted foliage and buds, reduced shoot growth, tip or marginal foliage browning, crown thinning and tufting of foliage at branch tips, premature fall coloration and defoliation, and twig mortality. Crown dieback, invasion by insect borers and weakly ^thogemc fungi, and eventually -tetaf'ptant mortality occur in severe instances.
For more information or to schedule an appointment for a complimentary consultation with me. call 877-BARTLETT today, or e-mail me at jwood@bartlett.com.
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