Quick Answer: Is tomato mosaic a fungal disease?

Tomato mosaic virus strains occur in Chenopodium murale in the USA, causing severe stunting, distortion and necrosis , and in pear associated with a diffuse chlorotic leaf spotting. Treating mosaic virus is difficult and there are no chemicl controls like there are for fungal diseases.

Is Mosaic caused by fungi?

Mosaic symptoms may be masked or latent, especially at temperatures above 27 °C (81 °F), and are sometimes confused with nutrient deficiency or herbicide injury. The causal viruses are spread by aphids and other insects, mites, fungi, nematodes, and contact; pollen and seeds can carry the infection as well.

What causes mosaic virus in plants?

TMV is very easily transmitted when an infected leaf rubs against a leaf of a healthy plant, by contaminated tools, and occasionally by workers whose hands become contaminated with TMV after smoking cigarettes.

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.

What are the symptoms of tobacco mosaic virus?

Symptoms associated with TMV infections:

  • stunting.
  • mosaic pattern of light and dark green (or yellow and green) on the leaves.
  • malformation of leaves or growing points.
  • yellow streaking of leaves (especially monocots)
  • yellow spotting on leaves.
  • distinct yellowing only of veins.
INTERESTING:  Frequent question: How do you knit a mistake rib in the round?

Which crop is generally affected by mosaic disease?

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.

What plant disease is not caused by fungus?

This rust disease happens where maize, barley and other cereal crops are cultivated. Thus, the correct answer is A i.e., Black rot of crucifers.

The world of creativity