Our cost of living indices are based on a US average of 100. An amount below 100 means Ontario, Oregon is cheaper than the US average.A cost of living index above 100 means Ontario, Oregon is more expensive. Overall, Ontario, Oregon cost of living is 95.40.OST OF LIVING OVERVIEW. Our cost of living indices are based on a US average of 100. An amount below 100 means Ontario, Oregon is cheaper than the US average. A cost of living index above 100 means Ontario, Oregon is more expensive.
Diseases That Cause Black Spots. There are two primary fungus diseases that can produce black spots on tomato plant leaves: Septoria leaf spot and Alternaria leaf spot, also known as early blight. Septoria and Alternaria differ slightly in appearance and prefer slightly different weather climates.
What causes tomato plant leaves to turn yellow? Yellow leaves that have purple, distorted veins are a sign that psyllids have infested the tomato plant. Treatment involves looking on the bottom of leaves for insects, removing them and applying a pesticide to the growing area. Tomato plants that stop growing and turn yellow all over may have the curly top virus. The beet leafhopper transmits this disease by jumping from plant to plant.