Late Blight on tomato
Photo: Dr. Wayne Nishijima
Severe defoliation of plant, stem girdling and rot of fruit. Cool nights and warm days with lots of rain encourage this fungus.
Look for water-soaked brown spots and wrinkled skin of fruit. Stems of plants also have water-soaked, discolored areas that turn brown and dry up.
Late Blight on tomato
Photo: Dr. Wayne Nishijima
Late Blight or Phytophthora infestans on tomato
Photo: Dr. Wayne Nishijima
Control with fungicide.
Kendal Lyon, Hawaii Island Master Gardeners