An avocado trunk infected with avocado sunblotch viroid (ASBVD) has bark deeply cracked into rectangular sections, a symptom that is also called 'avocado alligator bark.'
An avocado trunk infected with avocado sunblotch viroid (ASBVD) has bark deeply cracked into rectangular sections, a symptom that is also called 'avocado alligator bark.' Credit: David Rosen
