Bhendi yellow vein mosaic virus (BYVMV) or okra yellow vein mosaic (OYVMV) is a viral disease caused by monopartite Begomovirus affecting okra plants. It was first found in 1924 in Bombay, India, and Sri Lanka. It is the major limitation of the production of okra. This disease is transmitted by whitefly.

What causes yellow vein mosaic of Bhindi?

The Yellow Vein Mosaic of Bhindi is caused by Hibiscus virus 1 or yellow vein mosaic virus. Not much is known of the nature and properties of this virus.

Which microbe causes yellow mosaic disease in plants?

Mungbean yellow mosaic virusVirus classificationFamily:GeminiviridaeGenus:BegomovirusSpecies:Mungbean yellow mosaic virus

How is yellow vein mosaic in okra transmitted?

However, okra plants are severely affected by the OYVMV. The virus is prevalent in all okra growing regions of the world. The virus is transmitted by whitefly (Bemisia tabaci Genn.), which is the most severe pest of many crops in the world.

Which species is used as a source of yellow vein mosaic virus resistance in okra breeding?

Yellow vein mosaic virus (YVMV) transmitted by white fly (Bemisia tabaci Gen.) is the most serious disease of okra affecting both yield and fruit quality.

What is mosaic virus in plants?

A mosaic virus is any virus that causes infected plant foliage to have a mottled appearance. Such viruses come from a variety of unrelated lineages and consequently there is no taxon that unites all mosaic viruses.

How is yellow vein mosaic of Bhindi treated?

Spraying monocrotophos 1.5 ml/litre of water can restrict the disease spread. Synthetic pyrethroids should not be used because it will aggravate the situation. It can be controlled by application of Chlorpyriphos 2.5 ml + neem oil 2 ml lit of water.

What is the other name of okra?

Okra or Okro (US: /ˈoʊkrə/, UK: /ˈɒkrə/), Abelmoschus esculentus, known in many English-speaking countries as ladies’ fingers or ochro, is a flowering plant in the mallow family.

What is 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. Leaf rolling is curving the leaves of plants outwards. Due to some diseases the plant which is mostly green in color gets converted into the yellow color plant.

What is plant vein clearing?

Vein clearing is the loss of normal green coloration of plant veins; usually they turn yellow first.

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Which vector are responsible for transmission of TSWV?

TSWV is transmitted by thrips, including the western flower thrips, Frankliniella occidentalis.

How is TMV transmitted?

The most important way that TMV can be spread from plant to plant is on workers’ hands, clothing or on tools. This is called ‘mechanical’ transmission. When plants are handled, the tiny leaf hairs and some of the outer cells inevitably are damaged slightly and leak sap onto tools, hands, and clothing.

Where does mosaic virus come from?

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.

Which plant is resistant to yellow mosaic virus?

New breeding lines of soybean having a gene for resistance to yellow mosaic virus from Glycine soja Linn. Sieb. & Zucc. Indian J Agric Sci 54: 1027–1029.

What causes okra leaves to curl?

Enation Leaf Curl It turns out that whiteflies cause more okra seedling diseases than just yellow vein mosaic virus. They are also the culprits for enation leaf curl disease.

What causes leaf curl in okra?

Yellow vein mosaic disease (YVMD), okra leaf curl disease (OLCD), and okra enation leaf curl disease (OELCD) are caused by viruses of genus Begomovirus (family Geminiviridae) resulting in the serious losses in okra cultivation (Venkataravanappa et al., 2013b).

What is vein clearing virus?

Petunia vein-clearing virus (PVCV) is a plant pararetrovirus that has some features of retrotransposons. It encapsidates dsDNA and has isometric particles and inclusion bodies similar to those of caulimoviruses.

Which of the following virus causes chlorotic spotting mottling fine vein clearing in Brassica?

The following symptoms of CaMV infection of turnips were observed after infection of turnips with eight strains of five isolates of CaMV: chlorotic spotting, chlorotic mottling, vein clearing, vein banding, leaf stunting, necrotic flecking, senes- cence, and rugosity (distortion).

Is Ladies Finger good for health?

Okra is a nutritious food with many health benefits. It’s rich in magnesium, folate, fiber, antioxidants, and vitamin C, K1, and A. Okra may benefit pregnant women, heart health, and blood sugar control. It may even have anticancer properties.

What causes rose mosaic?

Hosts: Rose mosaic is a disease of roses caused by Prunus Necrotic Ringspot Virus (PNRSV) and Apple Mosaic Virus (ApMV). These two common viruses are found worldwide and are known to cause serious diseases in stone fruits and apples. These viruses, separately and together, have been found in rose bushes.

Who has discovered yellow vein mosaic virus for the first time?

35.3. 3 Bhendi yellow vein mosaic virus. BYVMV was first reported by Kulkarni (1924) from Mumbai, India. This virus has been reported in Bangladesh, India, Pakistan, Thailand, Sri Lanka, and China on okra plants (Kulkarni, 1924; Tsai et al., 2013).

What causes rose mosaic virus?

The major source of rose mosaic virus disease transmission occurs through the budding or grafting of infected buds or scions onto healthy plants (Figure 13) (Manners 1985; Porter and Tan 2012). Healthy buds or scions propagated on rose mosaic infected rootstock will also result in an infected plant.

What is a mosaic chromosome?

Mosaicism is the possession of multiple genetically different cell lines in a single person. Most chromosomal mosaicism involves the sex chromosomes and occurs because of defects in mitosis in an early embryo. Normally, chromosomes duplicate and separate equally in mitotic division.

What is mosaic mutation?

Somatic mosaic mutations are defined as mutations that occur in some cells of the soma of a single individual (Figure 1) [1,2]. The mixture of mutation-positive cells with non-mutated cells results in an individual who is a mosaic, or contains different DNA within different cells of his or her body.

What is Mosaic in botany?

(botany) A mosaic disease: a viral disease of ornamental and crop plants characterized by mottling and discoloration of leaves. (ecology) A habitat mosaic: a pattern of interspersed ecosystem of similar size and on a recurring basis.

Why is Bhindi called Lady Finger?

What I found was a bit of a let-down for me, to tell the truth: okra pods are long, slender, and elegantly shaped, just like a lady’s finger, hence the name (Duh!). Oh well, at least that’s easy to remember.

Is Lady Finger a fruit?

03/11Lady Finger This velvety green fruit which is again mistaken to be a vegetable is a fruit. Okra also known as the lady’s finger is a flowering plant with edible seed pods. Okra is primarily used as a vegetable. It is sometimes also used in soups and stews.

What is the origin of okra?

Vegetable Production Okra originated from the Abyssinian center, an area that includes Ethiopia, a portion of Eritrea, and the eastern, higher part of the Anglo-Egyptian Sudan. The crop was probably taken into Egypt by Moslems from the East who conquered Egypt in the seventh century.

What are yellow leaves?

Abnormal yellowing of leaf tissue is called chlorosis. Leaves lack the essential green pigment chlorophyll. Possible causes include poor drainage, damaged roots, compacted roots, high soil pH, and nutrient deficiencies in the plant according to James Schuster University of Illinois Extension horticulture educator.

What is Epinasty plant?

Definition of epinasty : a nastic movement in which a plant part (such as a flower petal) is bent outward and often downward.

What causes plant leaves to curl up?

Leaves typically wilt or roll up if a plant isn’t getting enough water, but excess watering can cause leaf curl, too. Ideally, keep soil moist, but not soaking wet. Severe heat and drought also may prompt leaf roll. … Transplant shock, root damage and pruning are other causes of leaf curl.