Definition
Yellowing is a disease symptom disease characterized by chlorosis of the host plant.
Yellowing of noni (Morinda citrifolia) leaves due to infection by root-knot nematodes (Meloidogyne sp.) |
 Yellowing of noni (Morinda citrifolia) leaves due to infection by root-knot nematodes (Meloidogyne sp.) |
 Left: yellowing of watercress due to infection by the watercress aster yellows phytoplasma; Right: healthy watercress. |
 Yellowing, stunting and virescence of watercress infected by the watercress aster yellows phytoplasma. |
Yellowing is a disease symptom disease characterized by chlorosis of the host plant.