Raspberry diseases: photos and treatment

If you've allocated a plot for raspberries and decided to seriously grow this healthy and delicious berry, let's learn about raspberry diseases, look at photos, and discuss their treatment. Our raspberries are plagued by all sorts of pests and diseases. But don't let us discourage you: if you approach prevention and agricultural practices wisely, you're halfway there; all that's left to do is keep a close eye on your bushes. And as soon as you notice a disease starting, or a small pest has taken up residence on your bushes, threatening to deprive you of a harvest, we'll get to work and eradicate it.

See also: Apple tree diseases and their treatment (photos).

Bacterial cancer

There are two types of this disease—root and stem—and both are very dangerous for raspberries. Root canker attacks raspberries in all climate zones, while stem canker prefers to damage raspberries in southern climates, especially in damp areas. Root canker attacks the roots, forming tumors that gradually enlarge, coalesce, and develop cracks. Stem canker forms ridge-like growths on the stems, tearing the bark. Both types lead to the death of the bush.

What to doIf the damage is isolated and minor, remove and burn the infected bushes. If the entire bush is infected, relocate the raspberry bush, treating the new location with copper sulfate and disinfecting the roots with it.

Anthracnose

In warm, humid climates, anthracnose is particularly virulent. Purple spots appear on shoots, then spread to the leaves, the bark turns gray, foliage dies, and the berries lose flavor and become dry.

How to treatRemove affected shoots, loosen the soil, weed, and treat with specialized preparations. For prevention, treat with a 1% Bordeaux mixture in the spring.

Mosaic

The leaves become smaller, darken in the middle and lighten at the edges, the berries become tasteless, the bushes weaken, the yield drops – this is mosaic, the bushes need to be treated.

How to fightPlants infected with mosaic virus cannot be saved; they can only be removed and burned. To prevent the disease, control aphids and mites, as they carry the virus.

Ring spot

If you notice that your raspberry leaves are curling, developing yellowish spots, or becoming thin and brittle, it's the ringspot virus that has invaded your raspberry patch. Take immediate action!
Check the soil for nematodes; if the number exceeds 20 per 0.5 kg of soil, treat with nematicides.

Septoria

If you notice brownish spots on leaves and stems, turning whitish with a border, and black dots on the stems, your plants have septoria. Take immediate action, or the disease could ruin your crop.

How to treat: cut out the affected parts and burn them, treat with Bordeaux mixture, be very careful when applying nitrogen.

Rust

It especially prefers humid areas. In spring, yellow-brown bumps appear on the leaves and ulcers on the shoots; by autumn, fungal spores appear as a dark coating.

How to control: Affected plants should be disposed of. Preventative measures include loosening the soil, removing weeds, mulching with manure in the spring, and treating with Bordeaux mixture.

Raspberry leaf curl

If the leaves begin to curl downwards along the vein, gradually turning bronze at the bottom, and the petals turn green, this is curl, and you shouldn’t expect an excellent harvest.

Control measures: destroy diseased bushes, fight aphids that carry the virus, treat with malathion.

Growing raspberries

It can devastate entire raspberry patches. Instead of robust bushes, numerous thin, low shoots with chlorotic leaves appear. It is transmitted by cicadas, mites, and aphids.

Control measures: firstly, the fight against disease carriers, secondly, burning diseased plants, treating with malathion twice - before flowering and at the end of the season.

Interesting information: fertile zodiac signs.

Raspberry pests

Your pets have quite a few of these, delectable even to the tender young leaves and delicious berries. One of them is the raspberry clearwing, a blue-black butterfly that hides its caterpillars in raspberry stems for the winter. In the spring, these gnawing insects begin actively destroying raspberry stems, burrowing them from the inside. In July, the butterflies emerge, lay eggs at the raspberry roots, from which the caterpillars hatch and begin to burrow into the raspberry roots.

How to fightTo prevent the development of glasswort, it is necessary to do deep pruning and burning of damaged stems.

Raspberry beetle

They gnaw at delicate buds, eat young leaves, lay eggs in flowers, and damage berries. They are especially vicious during the flowering period.

How to fightBefore flowering, be sure to spray with an herbal infusion of marigolds and hot pepper. During budding, use Confidor or Iskra. Digging is very effective at killing larvae.
By the way, moles can cause a lot of damage to your garden, take a look How to get rid of moles in your dacha the easy way.

Weevil

In the spring, they lay eggs in the buds, gnaw at the peduncles, and by mid-summer, the bushes are full of beetles that ruin them, eating them out from the center, and wintering in fallen leaves.

How to fightBefore flowering, treat with malathion, repeat in August, and dig over in the fall to destroy weevil eggs and prevent them from overwintering. Treatment with "Condifor" before flowering also helps.

Kidney moth

In the spring, caterpillars are already sitting in the buds, causing the buds to dry out, gnawing passages and holes, and the bushes die.

In terms of prevention, digging up the soil, cutting down bushes and burning damaged areas of bushes helps.

Gall midge

Another small pest that can cause significant damage to raspberries. The larvae nest under the bark and eat the stems from the inside. Galls form where the larvae nest.

Control measures: find, remove, burn.