Spread: This virus is spread by several aphid vectors. Aphids aquire and transmit virus particles by probing and/or feeding on plant tissues. An aphid can transmit the virus to susceptible plants for up to two hours after acquiring the virus from an infected plant.
Where does cucumber mosaic virus come from?
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.
Can cucumber mosaic virus spread to other plants?
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.
Which of the following crop is reservoir host of cucumber mosaic virus *?
It has a host range of more than 1,200 species, and is transmitted by many species of aphids, as well as cucumber beetles. Vegetable hosts include carrot, celery, cucurbits, legumes, lettuce, onion, pepper, spinach, tomato, and rarely potato. Many woody and non-woody ornamentals are also hosts.
Can mosaic virus spread?
Leftover plant debris is the most common contagion. Tomato mosaic virus of tomatoes can exist in the soil or plant debris for up to two years, and can be spread just by touch – a gardener who touches or even brushes up against an infected plant can carry the infection for the rest of the day.
Can you eat cucumbers with mosaic virus?
Yes, you can eat squash and melons that are infected with mosaic virus. These viruses are not harmful to humans and do not cause the fruit to rot. Often the discoloration is only skin deep. In cases where fruit are severely distorted, the texture of the fruit may be affected and may not be desirable for eating.
How do I get rid of mosaic virus?
How to Control Mosaic Viruses
- Remove all infected plants and destroy them. Do NOT put them in the compost pile, as the virus may persist in infected plant matter. …
- Monitor the rest of your plants closely, especially those that were located near infected plants.
- Disinfect gardening tools after every use.
How do I treat cucumber mosaic virus?
Early season aphid control may help, but there is no known Cucumber Mosaic Virus treatment at the present time. It’s recommended that if your cucumber plants are affected by Cucumber Mosaic Virus, they should be removed immediately from the garden.
How can we prevent cucumber mosaic virus?
- Purchase virus-free plants.
- Maintain strict aphid control.
- Remove all weeds since these may harbor both CMV and aphids.
- Immediately set aside plants with the above symptoms and obtain a diagnosis.
- Discard virus infected plants.
- Disinfest tools used for vegetative propagation frequently.
How do you prevent tomato mosaic virus?
Inspect transplants prior to purchase. Choose only transplants showing no clear symptoms. Avoid planting in fields where tomato root debris is present, as the virus can survive long-term in roots. Wash hands with soap and water before and during the handling of plants to reduce potential spread between plants.
What is Dasheen mosaic virus?
Dasheen mosaic virus (DsMV) is one of the important viral pathogen of C. esculenta, which develops pale green feathering symptoms, or may have severe or slight vein-banding symptoms or no visible symptoms at all. The virus causes variation patterns in colour, shapes, and sizes of the leaf and may reduce the corm yield.
What does mosaic virus look like on cucumbers?
A green- to dark-green mosaic with vein banding occurs on cucumber leaves, and leaves may show narrow, elongated growth if infected when young. The fruit of WMV infected plants are typically stunted, gnarled, and sometimes knobby.
How is Mosaic Virus Diagnosed?
- Yellow, white or green stripes/ streaks/ spots on foliage.
- Wrinkled, curled or small leaves.
- Pronounced yellowing only of veins.
- Stunted growth and reduced yields.
- Infected fruit appears mottled and develops raised “warty” areas.