| Tracking situation of rice disease outbreaks in irrigated areas cultivated continuously in Chai Nat and Nakhon Sawan provinces where outbreak areas were larger than 10 rai. Survey was conducted during October 2010 - February 2013. The survey in Chai Nat province in 2010 found the Bacterial leaf streak disease in rice variety Chai Nat 1 and RD41 and Bacterial leaf blight disease in variety Phitsanulok 2 causing damaged areas of 11 rai. In 2011, Rice ragged stunt disease in RD31 caused in damaged area of 11 rai. In 2012, Bakanae disease in RD31 and Suphan Buri 1, Dirty panicle disease in RD47 and Bacterial leaf blight in Chai Nat 1, RD41 and RD47 varieties resulted in damaged area of 15.5, 28 and 140 rai, respectively. In 2013, Bacterial leaf blight disease... |
