Bacterial Leaf Blight of rice

Bacterial Leaf Blight of rice 

Class	Schizomycetes
Order	Eubacteriales
Family	Pseudomonadaceae
Pathogen	Xanthomonas oriza

Symptoms of bacterial leaf blight of rice 

Bacterial leaf blight of rice

1. Water shocked translucent spores appear on the leaves and leaves sheath.
2. It turn soon to yellow or white in colour.
3. The leisons may coeasce to form large white bloches.
4. The disease spread mainly through the vascular bundles and the blight are mainly confined to the leaves.

Causal Organism bacterial leaf blight of rice

Bacterial leaf blight of rice

1. Xanthomonas oriza 
2. The bacteria is gram rod measuring 0.5 to 0.8 × 1 micro, flagellum capsulate.
3. The thermal dead point of the pathogen is 53°c.

Disease Cycle of bacterial leaf blight of rice

1. The mode of Transmission of disease from one session to another is through infected plant.
2. The pathogen infected the host cell through the wounds and stomata.

Controls of bacterial leaf blight of rice

1. Seed treatment
2. Folior spray - Agrimycin.
3. Field sanitation