Asian pears (Pyrus pyrifolia and p. ussuriensis) are fast-growing trees that produce round crisp pears. They are susceptible to most of the diseases suffered by the European species of the pear genus Pyrus. They especially suffer from the fungal diseases pear scab, powdery mildew and sooty blotch.
- 1 How do I get rid of fungus on my pear tree?
- 2 How do you get rid of white fungus on fruit trees?
- 3 What does fungus look like on a pear tree?
- 4 What does mold on pears look like?
- 5 How do you treat white tree fungus?
- 6 What is the best fungicide for pear trees?
- 7 How do you get rid of white mold on tree bark?
- 8 How do you treat powdery mildew on pear trees?
- 9 What is white stuff on tree bark?
- 10 What does Fireblight look like?
- 11 When Should I spray my pear tree?
- 12 How do I know what type of pear tree I have?
- 13 What is pear scab?
- 14 What type of mold grows on fruit?
- 15 What causes hard spots in pears?
How do I get rid of fungus on my pear tree?
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. It can be removed from individual pears with scrubbing, and the application of fungicide should curb its spread.
How do you get rid of white fungus on fruit trees?
Spray the foliage of the infected fruit tree with undiluted 3 percent hydrogen peroxide. For horticultural grade hydrogen peroxide — which is generally about 35 percent – mix 2 1/2 tablespoons with 1 gallon of water. Transfer the homemade fungus treatment to a clean pump sprayer.
What does fungus look like on a pear tree?
You’ll see circular, velvety dark spots on the tree’s leaves, fruit, and twigs. Over time, they turn gray and cracked. Since the fungus lasts out the winter on dead leaves, sanitation is again critical. Fungicide sprays are also effective.
What does mold on pears look like?
Gray mold lesions first appear as pale tan areas without sharp margins. Infections may originate from wounds, stem punctures, or the stem or calyx end of the fruit. As the decay enlarges, the older portions of the decay may turn darker brown, but the edges often remain a paler color.
How do you treat white tree fungus?
Start by cutting off the affected leaves to reduce the chances of further infection. Then, if treatment is warranted, consider using a fungicide or horticultural oil just as symptoms appear. Continue applying every week or two until temperatures reach 80 degrees during the day and nighttime humidity drops.
What is the best fungicide for pear trees?
Fungicides to Treat Fire Blight IPM recommends spraying pear trees with a 5 percent solution of Bordeaux mixture several times as blossoms open to combat fire blight (Erwinia amylovora), a bacterial disease that causes oozing cankers on the bark of pear trees.
How do you get rid of white mold on tree bark?
The University of California recommends using neem oil on trees and plants suffering severe powdery mildew disease. Neem oil not only helps eradicate powdery mildew fungi if you spray at the first signs of symptoms, but it also contains protectant properties that can stop the pathogens from spreading.
How do you treat powdery mildew on pear trees?
Powdery mildew on fruit trees can be treated with the right fungicides at the right time if trimming off affected shoots does not prevent the spread of spores. A present infection requires an eradicant fungicide, so be sure you get the right kind.
What is white stuff on tree bark?
White flux, also known as foamy canker or alcoholic flux, occurs when bacteria penetrate bark wounds or cracks and the underlying cambial tissue. The multiplying organisms ferment the sap, releasing alcohol and gasses.
What does Fireblight look like?
What does fire blight look like? Blossoms, leaves, twigs, and branches of plants affected by fire blight can turn dark brown to black, giving the appearance of having been scorched in a fire. The blighted blossoms and leaves tend to stay on the tree instead of falling.
When Should I spray my pear tree?
As soon as all the leaves are off the tree, spray with Monterey Liqui-Cop® at the rate of four tablespoons per gallon of water post harvest before fall rains begin. Spray until the tree is dripping and then spray the ground from trunk to drip line. Apply a dormant spray in December/January before leaf buds turn green.
How do I know what type of pear tree I have?
Look at the size and shape of your tree. Callery pear trees can grow up to 40 feet tall, but other pear trees usually mature at around 20 feet tall. Common pear trees have branches that are more spread out than that of the Bradford or Chanticleer pear, which tend to grow in a narrower, oval shape. Examine the fruit.
What is pear scab?
Pear scab is caused by the fungus Venturia pirina, which infects leaves, fruit, and young twigs. On leaves and fruit, the disease appears as olive green to dark brown to black, velvety circular spots (lesions) (Figure 1).
What type of mold grows on fruit?
The most common moulds isolated from these commodities were Botrytis cinerea, Rhizopus (in strawberries), Alternaria, Penicillium, Cladosporium and Fusarium followed by yeasts, Trichoderma and Aureobasidium.
What causes hard spots in pears?
The fruit of pears always has stone cells scattered through it. Those cells give pears their slightly gritty texture. When pears still on the tree are stressed, they often develop clusters of stone cells, the hard spots you are noticing.