Bacterial leaf blight in rice
Disease

How to control bacterial leaf blight in rice

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How to recognizing the disease:

Bacterial leaf blight is serious disease which can affect both rice plants of the nursery and in the main field crop. To identify the disease, you can observe the tip of the leaf dries up, and then the disease spreads downward along the margins of the leaf in a wavy way. And then finally, the plant dries up.  # bacterial leaf blight rice //.

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Other thing you will observe of disease, if you cut a diseased leaf and place it in water, the leaf releases a sticky, brown fluid, which shows the disease is caused by a bacteria. 

Some patches stay healthy, other some patches of rice plants convert diseased. You can see this clearly from a distance. The bacterial leaf blight can destroy half of the rice crop.

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How the disease spreads: # bacterial leaf blight /

1. The disease is more common early in the season and mainly spreads through seeds, wounds, rain splash and irrigation water.

2. Growing the same paddy variety every year may cause a serious disease outbreak.

4. The disease is also found in weeds and crop stubble.

5. From there the bacteria attack a new crop.

Integrated disease management:

1. Use disease free seed.

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2. Grow resistant varieties. 

3. Remove weeds and crop waste from the field and compost them. 

READ:  How to prevent blight disease on tomatoes

4. Plant later in the season to avoid the disease.

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5. Do not try to stop the disease by clipping the leaf tips, as this will quickly spread the disease in your field.

6. Avoid using irrigation water from infected fields.

7. Micro nutrients like zinc and copper help the plants build up resistance to the disease.

8. As soon as you see dry leaf tips in the field, mix 40 kg of fresh cow dung in 100 litres of water for half a hectare. Let it sit for 24 hours.

9. Stir the dung and filter it with a gunny bag.

10. Add another 100 liters of water and spray your field every 15 days for 3 times.

11. You can also mix 1 kg Pseudomonas-talc from the shop in 200 litres of water for half a hectare.

12. Apply it 15 days after transplanting, followed by a second spray 10 days later, and a third spray after another 10 days.

FAQ:

How to prevent bacterial leaf blight in Rice

1. Use disease free seed.
2. Grow resistant varieties. 

What are the reason of spreading bacterial leaf blight in Rice

The disease is more common early in the season and mainly spreads through seeds, wounds, rain splash and irrigation water.

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Noshad Ali
the authorNoshad Ali
Founder & Managing Director
M.Sc (Hons) Horticulture & Member of PSHS (Pakistan Society Horticulture Science) and Working as Field Facilitator in CAB International

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