Why do my pears have brown spots?

Asked By: Aitana Thielkes | Last Updated: 11th January, 2020
Category: hobbies and interests beekeeping
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A disease of growing importance in pear is Brown Spot which is caused by the fungus Stemphylium vesicarium. The fungus infects leaves, fruits and twigs and causes necrosis and fruit rot appearing as brown spots on the skin.

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Also asked, can you eat pears with brown spots?

As you note, the lesions do not prevent consumption of the fruit. Just peel and eat unless the infection gets so bad that the fruit cracks or becomes misshapen and secondary rot organisms destroy it.

Furthermore, can you eat pears with black spots? Pear scab. Pear scab, or black spot, is caused by the fungus Venturia pirina. It infects leaves, shoots, blossoms and fruit, and can cause serious crop loss especially in wet seasons when control measures are inadequate. The disease is found world-wide, wherever pears are grown.

Just so, why do pears get brown spots?

Fabraea leaf spot, also known as leaf blight and black spot, is caused by the fungus Fabraea maculata. Fabraea leaf spot attacks leaves, fruit, and twigs of pear. Symptoms first appear as brown to black spots on the leaves. Heavily infected leaves often yellow and drop prematurely.

Is it okay to eat grapes with brown spots?

Waiting too long to eat grapes after they've been harvested will obviously lead to a brown discoloration of the fruit, but having grapes turn brown and rot while on the vine hardly seems fair. But as far as diseases and insects are concerned, all is fair when it comes to survival.

31 Related Question Answers Found

Can I eat strawberries with brown spots?

It can infect ripe strawberries. Brown spots on strawberries are most easily seen on immature fruit. If the fruit is still green or white, the spots will be most visible. Ripe fruit can get leather rot also.

How do you treat blight on pear trees?

Avoid heavy pruning or excess applications of nitrogen fertilizer, both of which encourage new growth. Avoid planting close to wild plants of hawthorn, apple or pear. As soon as fire blight is discovered, prune off infected branches 1 foot below the diseased sections and burn them to prevent further infection.

Is it OK to eat apples with brown spots?

If the apples look ok when you cut them, and start to brown only after being cut; they're fine - THAT IS NORMAL! But for the apples that are brown inside when you cut them open, there's not much you can do.

How do you know when pears are bad?

Some common traits of bad pears are multiple brown bruises or blemishes on the skin. If you touch the pear and your thumb pierces the skin, that's not a good sign. Sometimes, you won't know the pear is bad until cutting it open and finding the center very soft and brown.

Can you eat tomatoes with brown spots?


See circular brown spots on the bottom of your half-grown tomatoes? That's blossom-end rot, which is usually caused by a lack of calcium in the soil. Blossom end rot should only happen to a few tomatoes early in the season, not the whole bunch. To fix, use an organic tomato fertilizer with calcium.

Is it safe to eat kale with black spots?

Thank you for contacting Ask an Expert in regards to your kale and collards with black mold. I don't recommend eating them, particularly since it is in such a great amount. Even if you do wash them and they appear to be clean they are not since mold extends below the surface area.

Can you eat strawberries with black spots?

Anthracnose fruit rot, caused by the fungus Colletotrichum acutatum, occurs on strawberries during periods of warm wet weather. Look for one or more circular spots on the fruit (below). Spots originally are tan or light brown but become darker and sunken (below).

What is the best fungicide for fruit trees?

Captan. Captan is a fungicide that, depending on the brand, may contain an insecticide such as malathion or carbary, to control soft-bodied pests as well as fungal diseases attacking the apple tree. Captan controls scab, brown rot, mildews and leaf spots on various fruit trees but won't treat cedar apple rust.

Should I spray my pear tree?

Tree-Spraying Tips
To be effective, insecticides must liberally cover all of the leaves and fruit on the tree. Spray the tree until the leaves are wet enough to drip. Properly pruning your pear tree will reduce the amount of spray needed to control insect problems.

What does pear rust look like?


A: Pear rust has become a major problem in our region the past few years. The fungus disease can be easily identified by bright yellow to orange spots that form on leaves, twigs, branches and fruit. Yellowish spots appear on developing fruit, which become malformed and often drop from the tree.

What causes brown spots on my apples?

A variety of fungal diseases can cause brown spots to develop on an apple. Bitter rot causes sunken brown spots to form, and flyspeck is caused by a sooty fungal infection and causes superficial spots to form on the skin, according to the University of Kentucky College of Agriculture Cooperative Extension Service.

How do you get rid of leaf spot?

Apply sulfur sprays or copper-based fungicides weekly at first sign of disease to prevent its spread. These organic fungicides will not kill leaf spot, but prevent the spores from germinating. Safely treat most fungal and bacterial diseases with SERENADE Garden.

Can I eat grapes with black dots?

Dark spots on fruits and vegetables can make them look unappetizingn and spoiled, but they're actually just as edible as the spot-free ones. That said, the rest of the fruit or vegetable will taste fine, so you can cut around them and easily salvage the rest.

Is it safe to eat carrots with black spots?

Black spots on carrots indicate that the carrots are old. The black spots are usually caused by molds, yeasts, fungi, and/or mildews. The carrots should still be safe to eat, as long as you cut out the dark spots.

Is it OK to eat tomatoes with black spots?


Blossom End Rot
What it looks like: The tomato plants appear healthy, but as the tomatoes ripen, an ugly black patch appears on the bottoms. The black spots on tomatoes look leathery. When you try to cut off the patch to eat the tomato, the fruit inside looks mealy.

Can you eat lemons with black spots?

The answer to that is likely a yes, unless the spots penetrate into the flesh. If you peel the fruit and the fruit seems fine, you can probably eat it.

What are black dots on grapes?

Black spots on grape vines may also be a symptom of a fungal infection commonly referred to as black rot. Caused by the fungus Guignardia bidwellii, this disease results in brown irregularly-shaped spots with dark borders. As the disease progresses, small black dots will appear within these spots.