Vol. 44
Title: The Process of Plant Disease Diagnosis
Author: Randolph Keim
pp: 342-343
Abstract:
ABIOTIC VERSUS BIOTIC DISEASES
Illnesses of plants are caused by factors that are either living or nonliving and that may predispose to each other. For example, overly wet roots may be weakened and more susceptible to biotic root rot, and biotically infected roots may reduce water uptake and cause normally watered plants to suffer from lack of oxygen.
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