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Abiotic Diseases? Weather –Temperature extremes –Moisture extremes Chemical –Herbicides –Excess fertilizer –Nutrient deficiencies Air Pollutants.

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Presentation on theme: "Abiotic Diseases? Weather –Temperature extremes –Moisture extremes Chemical –Herbicides –Excess fertilizer –Nutrient deficiencies Air Pollutants."— Presentation transcript:

1 Abiotic Diseases? Weather –Temperature extremes –Moisture extremes Chemical –Herbicides –Excess fertilizer –Nutrient deficiencies Air Pollutants

2 Miscellaneous “Abiotics” Oaks Herbicide Damage Zn Deficiency Pecan Remove the Tag! Acute SO 2 Damage Red Maple

3 Chemical “Burns” Borax septic field Chlorine damage: pines and waxmytle Fertilizer Eucalyptus

4 Arsenal Damage (pines) Irregular Growth “tufting” Darkened pith in oaks

5 Saltwater Damage (Hurricane) Pines Waxmyrtle

6 Freeze Damage – Live Oak Branch “Flagging” associated with longitudinal bark fissuring.

7 Urbanization Decline

8 Urbanization Stupidity Wrap tie left in place – stem “girdling” Plasticized ball wrap left in place – root injury

9 Pine Chlorosis & Decline ph related micronutrient deficiency (Mn, Fe) Disruption of mycorrhizal symbiosis

10 Rabbit Damage

11 Diagnosing “Abiotics” Think! Ask Questions Consider Circumstances Think! Remember: Patterns, Timing, and Broad Spectrum Damages

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