OAR@ICRISATRegistration of sorghum varieties ICSV 735, ICSV 758, and ICSV 808 resistant to sorghum midge, Stenodiplosis sorghicolaH CSharmaauthorB LAgrawalauthorC VAbrahamauthorJ WStenhouseauthorAToeauthorThe sorghum lines ICSV 735, ICSV 758 and ICSV 804 have been released as Yezin 6, Yezin 7 and Yezin 5, respectively, in Myanmar. These cultivars combine resistance to S. sorghicola with yield potential almost similar to that of the commercial cultivar Yezin 1 or Yezin 3. ICSV 735 was derived from (ICSV 197 x ICSV 1)-9-1-1-2-6, whereas ICSV 758 was developed from (ICSV 197 x A 13108)-1-2-1-1-1. ICSV 804 was obtained from (ICSV 197 x ICSV 1)-3-1-1-1-1. The grain yields of ICSV 735, ICSV 758 and ICSV 804 were 1.489, 1.949 and 1.721 t/ha, respectively (0.622 t/ha for the local control), during the rainy season of 1993-94. Under fertilizer treatment, the grain yields of ICSV 735, ICSV 758 and ICSV 804 (2.878, 3.389 and 3.416 t/ha) were higher than the grain yield of the local control (1.910 t/ha). At ICRISAT Center, these cultivars had grain yields of 4.65-7.65 t/ha during the rainy season of 1997. ICSV 735, ICSV 758 and ICSV 804 were comparable to resistant controls DJ 6514 and ICSV 197 interms of resistance to S. sorghicola, and as susceptible to shoot fly [Atherigona soccata], head bugs and stem borer, but less susceptible to aphids as the commercial cultivars ICSV 1 and CSH 9.Sorghum2005Article

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