Definition
Marginal chlorosis is the yellowing of leaf margins.
Discussion
Marginal chlorosis can be the result of biotic or abiotic diseases, or can occur naturally as leaves senesce.
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Marginal chlorosis of apical leaves on a banana (Musa sp.) plant with banana bunchy top disease, caused by the plant-pathogenic virus, banana bunchy top virus. |
/1_magnesium_deficiency_banana_leaf_1.jpg) Severe marginal chlorosis of a banana (Musa sp.) leaf, associated with magnesium deficicieny. |
/DSC00943.JPG) Marginal chlorosis on these cycad fronds suggests a nutritional deficiency such as magnesium. |