Cucumber mosaic
virus
One of our most destructive.
CMV exists everywhere squash is
cultivated, but it is more prevalent in the
temperate
regions of the world.
Symptoms: severe plant stunting, prominent foliar yellow
mosaic, malformation, and drastic reduction in leaf size and stem
internodes. Flowers may have prominent abnormalities and greenish
petals. Infected fruits become distorted and often discolored, and
usually remain small.
Control: traditional controls include insecticides, reflective
mulches, and mineral oils. Eradication of weed hosts is nearly
impossible because of the extensive host range of this virus. |