Okra Mosaic Virus Info: Learn About Mosaic Virus Of Okra Plants

By: Mary Ellen Ellis

Okra mosaic virus was first seen in okra plants in Africa, but there are now reports of it popping up in U.S. plants. If you grow okra, you are not likely to see it, which is good news since control methods are limited.

What is Mosaic Virus of Okra?

There is more than one type of mosaic virus, a viral disease that causes the leaves to develop a mottled, mosaic-like appearance. Strains with no known vectors have infected plants in Africa, but it is yellow vein mosaic virus that has been seen in U.S. crops in recent years. This virus is known to be transmitted by whiteflies.

Okra with mosaic virus of this type first develops a mottled appearance on the leaves that is diffuse. As the plant grows, the leaves start to get interveinal yellow coloring. The okra fruit will develop yellow lines as they grow and become dwarfed and malformed.

Can Mosaic Virus in Okra be Controlled?

The bad news about the mosaic virus appearing in okra in North America is that control is difficult to impossible. Insecticides can be used to control whitefly populations, but once the disease has set in, there are no control measures that will work effectively. Any plants that have been found to be contaminated with the virus must be burned.

If you grow okra, watch out for early signs of the mottling on leaves. If you do see what looks like it could be mosaic virus, contact your nearest university extension office for advice. It is not common to see this disease in the U.S., so confirmation is important. If it does turn out to be mosaic virus, you will need to destroy your plants as soon as possible as the only way to control the disease.

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Managing Yellow vein Mosaic virus on Bhendi [Okra or Bhindi Crop] Crop

Posted by BigHaat India on 29-12-2018

Okra or Bhindi or Bhendi (Abelmoschus esculentus L. Moench) is regular vegetable grown in India and it belongs to genus Abelmoschus and its family is Malvaceae. It is also called as ladyfinger.

Like other crops okra crop is also attacked by various pathogens Viruses, bacteria, fungi, mycoplasmas, nematode and insects. Some of most important diseases are Damping off, Fusarium wilt, Powdery mildew, Cercospora leaf spot, Leaf curl virus and Bhindi Yellow Vein Mosaic virus.

Yellow vein mosaic of bhindi or vein clearing of bhindi is the most devastating disease in all the bhindi growing regions of India.

Up to 80% of crop loss is expected if the crop is infected at early stages.

Symptoms of the disease

  1. The characteristic symptoms of the disease are chlorotic yellow veins and as disease progresses severity entire leaf become chlorotic.

2. Infected plants exhibit stunted growth and bear very deformed and small, yellow green fruits.

3. Initial infections is distortion of leaf stalks and stem.

4. Begamo virus is the causal organism and transmitted by white fly Bemisia tabaci.

The occurrence and infestation of white flies are more severe in summer months and Yellow vein mosaic viral infections is also high.

Management measures

  • The vectors which spreads Begamo or yellow vein mosaic virus need to be controlled
  • Ammoniacal nitrogen has also positive advantage for viral infections so take care of ammoniacal nitrogen application.
  • Removing and destroying disease affected plants from crop fields to avoid secondary spread.
  • To destroy the host weeds such as croton.
  • Crop rotation.
  • Use seeds collected from disease free plants.

Spray combinations for effective control

  1. Second Spray after 7 – 8 days

  1. Third Spray after 7 – 8 days

Senior Agronomist, BigHaat.

Disclaimer: The performance of the product (s) is subject to usage as per manufacturer guidelines. Read enclosed leaflet of the product(s) carefully before use. The use of this product(s)/ information is at the discretion of user.

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Initially the bhindi plants will be green and due to stress for plants like high temperature, low moisture and high nitrogen in the soil may lead to viral diseases occurrence. Later the spread will be through whiteflies.

Yellow bhindi after green

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Watch the video: Cucumber mosaic virus transfer by aphid.

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