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.
Alternaria alternate, or tomato early blight alternaria, is a fungus that can cause cankers and plant leaf spots on tomato plants. It normally occurs during hot weather when there has been a significant amount of rain and humidity.nce a plant is infected tomato early blight alternaria, a fungicide can be sprayed on the plant. This can help reduce the damage from the plant, but frequently this will only lessen, not eliminate the problem. The best way how to treat leaf spot on tomatoes is to make sure it does not occur in the first place.