Blight

Bacterial Leaf Blight:- 

Pathogen:- Xanthomonas oryzae pv. oryzae

Symptom of Damage:-

> Seedling wilt or kresek.

> Water-soaked to yellowish stripes on leaf blades or starting at leaf tips then later increase in lengthand width with a wavy margin.

> Appearance of bacterial ooze that looks like a milky or opaque dewdrop on young lesions early in the morning.

> Lessions turn yellow to white as the disease advances.

> If the cuts end of leaf is kept in water it becomes turbid because of bacterial ooze.

Management:-

Biological Method:-

> Spray fresh cowdung extract 20% twice (starting from initial appearance of the disease and another at fortnightly interval).

> Neem oil 60 EC 3% (or) NSKE 5% is recommended for the control of sheath rot, sheath blight, grain discolouration and bacterial blight.