What are the symptoms of cassava mosaic disease?

What causes cassava mosaic disease?

African cassava mosaic virus (ACMV), East African cassava mosaic virus (EACMV), and South African cassava mosaic virus (SACMV) are distinct species of circular single-stranded DNA viruses which are transmitted by whiteflies and primarily infect cassava plants; these have thus far only been reported from Africa.

How can cassava Mosaic be controlled?

A range of control options has been used against cassava mosaic disease (CMD) in sub-Saharan Africa with the greatest emphasis on the development and deployment of virus resistant varieties. Much less emphasis has been placed on sanitation measures, such as roguing or the use of inter-cropping [31] .

How do you control cassava disease?

It can be controlled by using varieties with good tolerance, soaking stakes in hot water before planting, sterilizing tools with disinfectant, and intercropping to reduce plant-to-plant dissemination. Viral diseases are usually transmitted through infected planting material.

Which disease in cassava is caused by a virus?

Cassava frogskin disease (CFSD) is a virus- like disease that affects cassava and was first reported from southern Colombia (Pineda et al., 1983).

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What does mosaic virus do?

THE TOBACCO MOSAIC VIRUS

Tobacco mosaic virus causes a mottled browning of tobacco leaves, and accordingly is of major economic importance. It also infects other crops, most notably tomatoes. The virus is spread mechanically from infected plants to scratched or damaged leaves of normal plants.

Which crop is generally affected by mosaic disease?

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 are the measures taken to control tapioca mosaic disease?

Selection of setts from healthy plants. Rouging infected plants in the field at early stage. Management of whitefly by installing yellow sticky traps, removal of weed hosts, spray neem oil 3% or Methyl dematon @ 2ml/lit. Spraying of systemic insecticide like dimethoate 1 ml/lit to control the vector.

How do you remove poison from cassava?

Pounding or crushing cassava leaves and then boiling them in water is an efficient process for removal of cyanogens. Indeed, about 97% of cyanogenic glucosides are removed and cyanohydrin and free cyanide are completely removed (Nambisan 1994).

What are the common pests of cassava?

Cassava pests represent a wide range of arthropods; approximately 200 species have been recorded. Although many are minor pests, causing little or no economic losses, several must be classified as major pests. These include mites, thrips, stem borers, horn worms, whiteflies, and scale insects.

What are the health benefits of cassava leaves?

Benefits and nutritional profile of cassava

Cassava is a good source of vitamin C, thiamine, riboflavin, and niacin. The leaves, which are also edible if a person cooks them or dries them in the sun, can contain up to 25% protein.

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Is tobacco mosaic virus?

Tobacco mosaic virus (TMV) is a positive-sense single-stranded RNA virus species in the genus Tobamovirus that infects a wide range of plants, especially tobacco and other members of the family Solanaceae.

Tobacco mosaic virus
Order: Martellivirales
Family: Virgaviridae
Genus: Tobamovirus
Species: Tobacco mosaic virus

What are the uses of cassava?

People use the root as a food and to make medicine. Cassava is used for tiredness, dehydration in people with diarrhea, sepsis, and to induce labor, but there is no good scientific evidence to support these uses. Cassava root and leaves are eaten as food. The nutritional value of cassava is similar to a potato.