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.
* Pesticide use and recommendations for various areas are constantly changing. Check with your County agent for current recommendations.
Description: Foliage is blighted and wilts Plants wither and die
Control: Plant resistant varieties that have VFN appended to the name on the package. Do not sprinkle late in the day. Rotate tomato plantings yearly.
Problem: Tobacco Mosaic Affected Area: Leaf
Description: Mottled leaves. Plant becomes sickly and dies
Control: If you use tobacco, do not handle plants without washing thoroughly with soap. Do not smoke around tomato plants. Destroy affected plants
Problem: Blossom End Rot Affected Area: Fruit
Description: Round, leathery spot on blossom end of fruit. May be slightly sunken. Affects green as well as ripe fruits, but is more common in ripe fruits
Is a physiological disorder caused by water imbalances caused by irregular watering or over-watering especially early in the season. Is very common in heavy clay soils.
Control: Water uniformly rather than allowing the plant to experience wet, dry, wet, dry cycles. Water tomato wetting the soil to 24" deep. Mulch to stabilize soils against evaporation.
Large temperature fluctuations can stimulate it. A change in summer weather patterns may correct the problem.