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Plant Pathology
Bacterial leaf blight of rice
Plant Pathology

Bacterial leaf blight of rice

Musa May 11, 2018

Contents

  • 1 Bacterial leaf blight of rice
    • 1.1 Bacterial leaf blight of rice

Bacterial leaf blight of rice

Bacterial leaf blight of rice

Occurrence/distribution: 

The most common BLB of rice caused by Xanthomonas oryzae. BLB   of rice is probably the world in distribution.

 Symptoms: 

The symptoms appear on leaf blades and sheaths as small linear, water-soaked areas that soon elongated and coalesce into irregular, narrow, yellowish, or brownish stripes. Severe infection cause leaves to turn yellow and die from the tip to downward. They also retard spike elongated and cause blushing. The small lesion from on the kernels as well.

 Recurrence of the disease: 

The disease develops mainly in rainy, dam wheather. The bacteria over wintering on the seed and crop residuces and are spread by rain, direct contact an insect.

 Control measure: 

The main control measures are use of disease free or treated seeds and crop   rotation

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About The Author

Musa

I'm studying plant pathology. I have completed my Bachelor of Science in Agriculture degree.

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