Which crop is generally affected by mosaic diseases?

Mosaic viruses affect a wide range of edible crops – alfalfa, apples, beans, celery, corn, cucumbers, figs, peppers, spinach, tobacco and tomatoes are some of the more common ones. They can also infect ornamental plants like abultilon, delphinium, gladiola, marigold, petunia and one of the most notable, roses.

Which crop is generally affected by mosaic disease Paddy yam plantain tapioca?

Among them, cassava mosaic disease (CMD) is the most severe and widespread, limiting production of the crop in sub-Saharan Africa.

Cassava Mosaic Disease.

Virus African cassava mosaic virus (ACMV)
Genus/Family Begomovirus/ Geminiviridae
Symptoms Mosaic, leaf distortion and stunting
Vector Whitefly
Distribution Africa and India

Which disease is caused for mosaic disease?

This disease is caused by a complex consisting of the monopartite begomovirus Bhendi yellow vein mosaic virus (BYVMV, family: Geminiviridae) and a small satellite DNA beta component. BYVMV can systemically infect bhendi upon agroinoculation but produces only mild leaf curling in this host.

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What is the effect of mosaic virus?

Symptoms induced by Tobacco mosaic virus (TMV) are somewhat dependent on the host plant and can include mosaic, mottling (Figures 1 and 2), necrosis (Figures 3 and 4), stunting, leaf curling, and yellowing of plant tissues.

Can you eat squash with mosaic virus?

Yes, you can eat squash and melons that are infected with mosaic virus. … In cases where fruit are severely distorted, the texture of the fruit may be affected and may not be desirable for eating.

What are the symptoms of cassava mosaic?

Initially following infection of a cassava geminivirus in cassava, systemic symptoms develop. These symptoms include chlorotic mosaic of the leaves, leaf distortion, and stunted growth. Leaf stalks have a characteristic S-shape. Infection can be overcome by the plant especially when a rapid onset of symptoms occurs.

What is yam disease?

The field and storage diseases are presented, anthracnose is regarded as the most widely spread of all the field diseases, while yam mosaic virus disease is considered to cause the most severe losses in yams. Dry rot is considered as the most devastating of all the storage diseases of yam.

How do you treat TMV?

HOW TO TREAT TOBACCO MOSAIC VIRUS

  1. Practice good hygiene throughout the entire growing season. Remove decaying leaves from the plant and the surrounding soil.
  2. Burn all parts of infected plants, never put them on the compost heap and do not dig them into the soil. …
  3. Regularly inspect plants for signs of TMV infection.

How can we prevent 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.
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Can mosaic virus live in soil?

Tomato mosaic virus and tobacco mosaic virus can exist for two years in dry soil or leaf debris, but will only persist one month if soil is moist. The viruses can also survive in infected root debris in the soil for up to two years.

How can papaya mosaic virus be controlled?

Control: As soon as the disease symptoms are observed dusting Sulphur (30 g/10 litres of water) or spraying Calixin 75 EC (5 ml/10 litres of water) at 15 days interval helps to control the disease. Leaf- Blight (Corynespora cassiicola): The disease causes severe damage to leaves.

Is mosaic virus harmful to humans?

“These viruses are specific to plants and do not harm humans. The presence of mosaic won’t cause fruits to rot prematurely but severely distorted fruit will have a different texture, so use your own judgement.”

How do I get rid of fig mosaic virus?

If your fig tree exhibits signs of fig tree mosaic, there are no chemical controls shown to be effective in treatment or extermination of this disease. Controlling the fig mites then, may be your only hope for treating fig mosaic disease. A variety of horticultural oils (crop oil, citrus oil, etc.)

Is watermelon mosaic virus harmful?

Watermelon mosaic virus is best known for causing disease in most cucurbits and some legumes, though experimentally it has been shown to have a broader host range than almost all other potyviruses.

How is cucumber mosaic virus spread?

Pathogen: Cucumber Mosaic Virus (CMV)

Symptoms can resemble herbicide injury. Spread: This virus is spread by several aphid vectors. Aphids aquire and transmit virus particles by probing and/or feeding on plant tissues.

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Why are my crookneck squash bumpy?

Rapid growth, boring insects, and excess calcium in soil may contribute to lumpy squash plants. However, the majority of these fruit deformities are the result of a mosaic virus. … Cucumber mosaic affects summer squash and produces raised, yellow bumpy squash and warty regions on the fruit’s skin.

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