How do I treat black spots on my pear tree leaves?

For both leaf spot and pear scab, remove and destroy all fallen leaves and fruit to greatly reduce the risk of the disease’s spread into the next growing season. Apply a fungicide throughout the next growing season as well. Sooty blotch affects only the appearance of the fruit and will not harm your tree.

Why does my pear tree have spots on the leaves?

Pear rust is a disease caused by the rust fungus Gymnosporangium sabinae, which causes bright orange spots on the upper surfaces of pear leaves in summer and early autumn. This fungus attacks both pears and junipers. In fact it needs both plants in order to complete its life cycle.

Why do my pear tree leaves turn black?

Pear tree leaves turn black and fall off when the tree is infected by Fabraea leaf spot. Fabraea leaf spot is a fungal disease whose symptoms are seen in the leaves and fruits. This disease is also commonly called the ‘Black spot’ disease. This disease usually appears late in the growing season.

When do you spray pear trees for fungus?

You can wait a bit longer in the spring to use this spray, but do so before the leaves have opened. These general purpose fungicides should always be used when the daytime temperatures are steadily around 60 degrees F.

What time of year do you spray pear trees?

Spray fruit trees with fungicide in early spring before flower buds open. Spraying fruit trees is a standard practice farmers and gardeners take to help control plant diseases and insect pests and also to provide needed nutrients.

What is the best spray for pear trees?

Spray: When insects appear, spray tree, including soil within two feet of trunk, with GardenTech Sevin® or Ortho Malathion Max®. Less toxic sprays include Monterey Take Down Garden Spray or Safer® Brand Insect Killing Soap.

When is the best time to spray pear trees?

Spraying fruit trees during the cool seasons, November through March, can help control pests that take up residence in the cracks and crevices of bark. Such dormant spraying is more effective than waiting until the weather warms and pests become active.