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.
Often only one side of a plant is affected at first, but symptoms eventually spread. Tomato Leaf SpotâSeptoria lycopersici Fruit is not affected, although sunscald can be a problem due to foliage loss. Numerous brown spots on leaves, each about 1/16 inch in diameter. They do not have a yellow halo and they do have black specks in the center. First symptoms are usually on lower leaves after the first fruit sets.