Abstract:
Paddy plays a very decisive role in the economy of this country . This is more so in the case of Kerala for its population depends mainly on rice as the staple food. Inspite of the earnest efforts to attain self suffiency in rice requirements, the annual production has reached only to meet 50 per cent of the actual needs Paddy has been known to be affected by many physiological diseases, among which H2S injury is the most serious. The disease causes considerable reduction in grain and strew yields.
