Breeding of Enhui 264,a Late-maturing Medium Indica Rice Restorer Line with Durable Blast Resistance

Enhui 264,developed from the cross of two restorer lines Enhui 58 as the female and Duoxi 1 as the male by the Hubei Enshi Prefectural Academy of Agricultural Sciences,is a new late-maturing medium indica restorer line in rice.It is characteristic of durable blast resistance,strong restoring ability,high combining ability and good plant type.The hybrid combination II You 264(II-32 A/Enhui 264) performed well in integrated characteristics and was certified and released to commercial production by the Hubei Provincial Crop Variety Appraisal Committee in April,2006.Some other new hybrids derived from Enhui 264 such as Zhongyou 264,Jinyou 264 and You I 264,showed also high yielding ability and moderate blast resistance in various yield trials.