Home > Crop Diseases > Sheathe Blight of Paddy

Sheathe Blight of Paddy

Sheath blight of Paddy:

causative Agent:  Rhizoctonia solani

Occurence:

  • Sheath blight is a fungal disease, more common in rainy season than in dry season in the topics.
  • This disease is problematic in areas where irrigation facilities are abundant.
  • Due to blighting of the leaf sheaths, it is commonly called as sheath blight.
Alternate hosts: Among the plants recorded as hosts are, sugarcane, bean, soybean, tomato, egg plant, tobacco, water hyacinth , hyacinth bean and green gram

Disease Symptoms:

  • Appearance of one or more relatively large, oblong or irregularly elongated lesions on the leaf sheath; in advanced stages center of the lesion becomes bleached with an irregular purple brown border.
  •  Initially these lesions are white in colour later it turns to dark brown.
  • At severe condition drying of leaves.

Chemical control

  • In these days, Validamycin, Hexaconazole, Hexa+ captan, Propiconazole are good restrictive technicals against Sheathe Blight of Paddy. Follow Doses and recommendations as per crop scientist.
  • Seed treatment with carendizm 2.0g/kg of seeds.
  • Spraying fungicides of 2.5g carbendazim 50WP (540g/acre) or 2.5 gm 0f mancozeb 75WP OR 2ml hexaconozole in 1 liter of water.
  1. No comments yet.
  1. No trackbacks yet.

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out /  Change )

Google photo

You are commenting using your Google account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s

%d bloggers like this: