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
- 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.
- 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
- First Spray :
- Second Spray after 7 – 8 days
- Third Spray after 7 – 8 days
K SANJEEVA REDDY,
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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