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Plantwise Factsheets for Farmers

Vein clearing of okra

Bhendi yellow vein mosaic virus

Recognize the problem

Yellow vein mosaic disease is one of the most devastating diseases for bhendi (okra) cultivation in Bangladesh. Symptoms include vein clearing and vein chlorosis of leaves. The complex network of interwoven yellow, thickened veins and veinlets encloses islands of green tissue. In severe cases, the chlorosis may extend to the interveinal area and leaves may turn completely yellow. Fruits are dwarfed, malformed and yellow-green.
The appearance looks similar to that of a mosaic floor tile, hence the name. It might cause 80% yield loss and is almost endemic.


Planthoppers, whiteflies (Bemisia tabaci) and some other sucking pests of okra are the insect vectors of the disease. The whitefly vector reproduces quickly to reach significant numbers during the summer season when it transmits the virus between okra plants.


The cause of this disease is a virus for which there is no cure. The only effective control measure is prevention. The following measures for prevention could be taken to minimize yield loss:
  • Use of resistance varieties such as BARI Dherosh-1, IPSA Dherosh-1
  • Seeds should be collected from healthy plants from a disease-free field
  • Early planting (February-March)
  • The field should always be free from weeds
  • Infected plants must be collected and burned
  • Insecticides can be sprayed for vector control. Spray with imidacloprid, e.g. Imitaf @ 1ml/L water or dimethoate 2ml /L water at 15 days intervals, starting 20 days after transplanting

When using a pesticide, always wear protective clothing and follow the instructions on the product label, such as dosage, timing of application, and pre-harvest interval.

The recommendations in this factsheet are relevant to: Bangladesh

Authors: Zahidul Islam, M Anwar Hossain, Md. Rafiquzzaman

©CAB International. Published under a CC-BY-SA 4.0 licence.

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