What it does
Red stripe causes formation of lesions on leaves.
Why and where it occurs
The disease usually occurs when the plants reach the reproductive stage, starting from panicle initiation. High temperature, high relative humidity, high leaf wetness, and high nitrogen supply favor disease development.
Red stripe of rice is common in Indonesia, Malaysia, Philippines, Thailand and Vietnam.
How to identify
Check leaves for lesions and discoloration.
The disease can be confused with orange leaf blight disease. It is hardly distinguishable from the bacterial leaf blight disease at severe and advanced stage of disease development.
To confirm red stripe, check the shape, size and color of lesions. An advanced lesion is characterized by an orange spot with a stripe, which advances towards the tip of the leaf.
Why is it important
Red stripe is a potential threat to rice production in Southeast Asia. However, no reliable quantification of yield losses has been done yet.
How to manage
Content experts: Il Ryong Choi (email: firstname.lastname@example.org), A Sparks, and C Vera Cruz