Late Blight Lookalikes on Leaves and Stems (continued)
Water damage on lower leaves
surrounded by a yellowish halo. No mycelium
develops as in late blight lesions.
Hot soil damage on lower leaves
affected tissue is surrounded by a yellowish discolouration.
This injury is common in sandy soils when the season is warm
and dry.
Fertilizer damage
plant tissues, particularly when the
relative humidity is high.
