Description: Plants show brown blotches or stunted and distorted growth. Bug is dark to grayish-brown above and paler color underneath.
Control: Plants show brown blotches or stunted and distorted growth. Bug is dark to grayish-brown above and paler color underneath.
Control:
Pick bugs by hand. They will hide under boards, etc., placed near the plants.
* Spray with Rotenone, Pyrethrum or Diazinon. Remove debris so bugs cannot overwinter.
* Pesticide use and recommendations for various areas are constantly changing. Check with your County agent for current recommendations.
Problem: Aphids Affected Area: Leaf and Stem
Description: Small Insects found on new stems and the underside of the leaf. Usually green. They suck fluids from the plant leaving a honey dew substance behind. Leaves turn pale yellow.
Control: Insecticidal soaps or a strong stream of water. Ladybug beetles are natural predators.
* Thiodan or Diazinon ? more than one application may be required.
A layer of aluminum foil under plants reflects light to underside of leaves and may deter aphids.
* Pesticide use and recommendations for various areas are constantly changing. Check with your County agent for current recommendations.
Problem: Blossom-end rot Affected Area: Fruit
Description: Blossom end of squash is dark and leathery. Hot weather increases susceptibility.
Control: Supply even moisture to plant
Problem: Curly top Affected Area: Leaf
Description: Leaves curl, plant dies.
Control: Destroy infected plants. Rotate location. Avoid stressing plant by watering evenly and providing adequate fertilizer. Clean up debris in fall.
Problem: Powdery Mildew Affected Area: Leaf
Description: White powdery substance on leaves.
Control: Use surface or underground watering methods to avoid wetting leaves. Plant
resistant varieties. Rotate planting location from year to year.
Problem: Mosaic virus Affected Area: Leaf and Fruit
Description: Deformed (bumps) and discolored fruit and leaves.
Control: Plant resistant varieties. Control insects. Rotate location.
Oversized summer squash can be cut in half lengthwise, seeds removed and stuffed and baked or baked without stuffing. They are also good grated for zucchini breads and other baked goods.