Beets

Curly Top Of Beet Plants – Comment traiter le Curly Top des betteraves

Beet leaves that are small, wrinkled and curled are a sign of curly leaf disease. While the presence of curly leaf disease symptoms is of slight concern and can kill beets, the real threat is that beet curly leaf virus can easily spread to other crops. To reduce the risk of other crops getting the disease, read on to learn how to recognize the signs of curly leaf in beet plants and how to treat curly leaf in beets.

Curly tops of beet plants

As mentioned, beet plant leaves atrophy and curl upwards in the presence of beet leaf curl disease. In addition, the veins on the underside of infected leaves swell unevenly with bumps.

Not only are the leaves of beet plants deformed, but the virus also affects the young roots. They atrophy, become deformed and often die. The death of these roots leads to the production of new roots which become a “hairy root” symptom that mimics the symptoms of rhizomania.

The disease is carried by the beet leafhopper ( Circulifer tenellus ). This pest can travel long distances, reproduces raptorily and has a wide host range of over 300 species in 44 plant families including tomatoes, beans and peppers.

Grasshoppers overwinter on a variety of annual and perennial weeds and acquire the disease after feeding on infected plants. They can then transmit the virus for the rest of their lives. The disease is found in the western United States and is also present in semi-arid regions of Europe, Africa and Asia.

The severity of infection depends on the prevalence of the virus host weeds, as well as the reproductive capacity and migration of the leafhopper.

Treating the beet loop

The best way to fight beet curling is to prevent it. Let’s plant resistant cultivars adapted to your region. Also, keep the garden and its surroundings free of weeds that may harbour winter populations of grasshoppers.

Also, if possible, plant in a lightly shaded area of the garden as grasshoppers prefer to feed in sunny places. If this cannot be avoided and the garden is in full sun, place a net cage over the plants when they are young. The net will provide some shade and may delay the entry of grasshoppers. Make sure that the net does not touch the plants. Remove the cage when the plants are mature as they are less likely to be infected.

If you identify a diseased plant, remove it from the garden immediately.

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