Armyworms spur Chinese emergency measures
The Chinese Academy of Agricultural Sciences' (CAAS) Institute of Plant Protection has implemented emergency measures to tackle an outbreak of second-generation armyworms ( Spodoptera spp) on grain crops across China. By the end of July, armyworms had been spotted on some 4.3 million ha of crops across the country. They have not affected crops on this scale since 2001. North-east and east China, the Yellow River basin, and south-western and north-western regions have been particularly heavily hit, the Institute reports. The Ministry of Agriculture has estimated that second-generation armyworms afflicted some 1.7 million ha of crops across the country in 2010 ( Agrow No 597, p 23).