What is meant by mosaic disease?

/ (məˈzeɪɪk) / noun. a serious viral disease of plants, esp tobacco, maize, and sugar cane, in which the leaves become mottled by discoloration.

What is mosaic disease caused by?

mosaic, plant disease caused by various strains of several hundred viruses. A number of economically important crops are susceptible to mosaic infections, including tobacco, cassava, beet, cucumber, and alfalfa.

What is meant by mosaic formation?

Mosaic formation is the presence of some light and dark green patches in the leaves of plants which is mainly caused by the viral diseases. … The growth of the plant stops or the plant may be dwarfed. Necrosis means cell death, due to viral infections the plant cell death occurs.

Is Mosaic Virus bad?

Tomato mosaic virus is a serious and extremely contagious disease. It is also hard to identify, with symptoms varying wildly depending upon the variety and age of the infected plant, the strain of the virus, and environmental conditions.

Can humans get mosaic virus?

Tobacco mosaic virus (TMV), a widespread plant pathogen, is found in tobacco (including cigarettes and smokeless tobacco) as well as in many other plants. Plant viruses do not replicate or cause infection in humans or other mammals.

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How fast does mosaic virus spread?

Comments on the Disease

Cucumber mosaic virus is spread from plant-to-plant by many species of aphids. Aphids only retain the ability to transmit these viruses for very short periods of time (minutes to a few hours). Thus, spread is often very rapid and local.

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.

What is your mosaic?

It is called “my mosaic.” It is a trend where you talk about character traits or habits you have acquired because of people that have influenced you or made an impact. Every person in your life, good or bad, has made an impact; they crossed your path for a reason.

What are the types of mosaic?

7 Different Types of Mosaic Tiles: Which Type Is Right for You?

  • Stone Mosaics. …
  • Glass Mosaics. …
  • Medallions and Murals. …
  • Etched Stone. …
  • Hand Painted Stone. …
  • Stone Tile. …
  • Waterjet Mosaics.

What causes mosaic on plants?

Mosaic viruses are mostly spread by insects, especially aphids and leafhoppers. You can try covering your plants with a floating row cover or aluminum foil mulches to prevent these insects from infecting your plants.

Does mosaic virus stay in soil?

Great for the aphid, but really unfortunate for the hundreds of plants it can bite during those few hours. 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.

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Can mosaic virus affect tomatoes?

There are many viruses that can infect tomatoes. They are often capable of infecting many other species of plants as well. For example, tomato mosaic virus most often infects tomatoes, but can also infect pepper, potato, apple, pear, cherry and numerous weeds, including pigweed and lamb’s quarters.

What is leaf mosaic?

A leaf mosaic can be defined as an arrangement of the leaves of a single plant which tends to decrease the shading of one leaf by another and to fill the space available for light interception.

What plants can get mosaic virus?

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.

Can plants get the flu?

Some might wonder if plants can get the flu. Plants are susceptible to a variety of virus diseases, although the general term “flu” is not used in the plant world. Fortunately, the virus diseases that infect plants are unique to plants. They don’t infect people.