You asked: How do cucumbers control the mosaic virus?

How do cucumbers deal with mosaic virus?


  1. Purchase virus-free plants.
  2. Maintain strict aphid control.
  3. Remove all weeds since these may harbor both CMV and aphids.
  4. Immediately set aside plants with the above symptoms and obtain a diagnosis.
  5. Discard virus infected plants.
  6. Disinfest tools used for vegetative propagation frequently.

How can we control mosaic virus?

How to Control Mosaic Viruses

  1. Remove all infected plants and destroy them. Do NOT put them in the compost pile, as the virus may persist in infected plant matter. …
  2. Monitor the rest of your plants closely, especially those that were located near infected plants.
  3. Disinfect gardening tools after every use.

Are cucumbers affected by mosaic virus?

Specifically, CMV can cause cucumbers to turn pale and bumpy. The leaves of these plants turn mosaic and their rugosity is often changed, making leaves wrinkled and misshapen. Growth of these plants is usually also stunted and produces few flowers.

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What cucumbers are resistant to mosaic virus?

Cucumber mosaic virus is one of the most recurrent viruses infecting pepper in South Korea (Choi et al., 2005). The Chinese C. annuum variety “Likeumjo” is resistant to CMV-P0 (Kang et al., 2010) and is a rare CMV resistance source controlled by a single dominant gene, Cucumber mosaic resistant 1 (Cmr1).

How can we control yellow mosaic virus?

Control measures:

— Infected plants should be removed. — Remove and destroy disease-affected leaves/plants from crop fields to avoid secondary spread. — Destroy host weeds. Intercrop with non host crops like sorghum, pearl millet and maize.

Why do cucumber plants leaves turn yellow?

The most common reason for yellowing leaves is that you have a watering problem. That means you’re either giving your plant too much or too little water. … Cucumbers and zukes are also sunlight lovers, so if your plants don’t receive, at least 6-8 hours of sunlight, chances are the leaves will start turning yellow.

Does cucumber mosaic virus stay in the soil?

If there’s any good news here it’s that unlike some other mosaics, Cucumber Mosaic Virus can’t be passed along through seeds and won’t persist in plant debris or soil.

Can tomatoes get cucumber mosaic virus?

Tomatoes infected with the cucumber mosaic virus develop a slight yellowing and mottling of the older leaves. Expanding leaves typically become twisted, curl downward, and develop a “shoestring” appearance as a result of a restriction of the leaf surface to a narrow band around the midrib of the leaf.

Is cucumber mosaic virus seed borne?

Analysis of individual whole seeds showed that seed-borne infection of CMV in pepper ranged from 95 to 100%. Further seed-growth tests were performed in Petri dishes and CMV was detected in both seed coat and embryo. Seed coat infection of CMV ranged from 53 to 83% while that of the embryo ranged from 10 to 46%.

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What plants are affected by cucumber mosaic virus?

Cucumber mosaic virus can infect plants from over forty families, including vegetable crops like tomato, lettuce and spinach, flower crops like gladiolus, petunias, impatiens and rudbekia, and a wide variety of weeds. All of the mosaic viruses can also infect weeds in the cucurbit family.

What are the symptoms of cucumber mosaic virus?


  • Yellowish patches or green and yellow mottling on leaves.
  • Leaves curl downwards and are distorted and reduced in size.
  • Plants are stunted due to a shortening of the internodes (lengths of stem between leaves)
  • Reduction in yields and distorted fruit.
  • In flowers white streaks known as ‘breaks’ appear.

Does mosaic virus stay in the soil?

Unlike TMV (tobacco mosaic virus), CMV is not seedborne in tomato and does not persist in plant debris in the soil or on workers’ hands or clothing. The occurrence of this virus is erratic and unpredictable; consequently, control of this disease can be difficult.

What is the most disease resistant cucumber plant?

The most disease resistant cuke ever grown is also uniquely versatile. Unlike most varieties, which are grown specifically for use in pickling or in fresh eating, Eureka can …

What is the best disease resistant cucumber?

Cucumbers are another crop for which varieties with a wide range of disease resistance is available. The varieties ‘Dasher II’, ‘Indy’, and ‘Thunder’, for example, all have resistance to several common diseases of cucumbers, including angular leaf spot, powdery mildew, and downy mildew.

What causes cucumber mosaic virus?

Where does cucumber mosaic come from? Cucumber mosaic is caused by Cucumber mosaic virus (CMV) which can overwinter in susceptible biennial or perennial weeds, as well as in perennial agricultural crops (e.g., alfalfa) and perennial herbaceous and woody ornamentals.

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