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| Identification of A Marker Closely Linked to Rice Stripe Disease Resistance Gene in a Japonica Rice Variety |
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Abstract Markers related to the gene of rice stripe resistance in Oryza sativa ssp.japonica Zhendao88 were screened. The inheritance of rice stripe resistance in F2 lines and F2:3 lines from the cross Zhendao 88/ Wuyujing No.3 were studied using tiller inoculation and inoculation at the seeding stage, respectively. A marker OPO11, which was coseperated or complete linked to rice stripe disease resistance gene in Zhendao 88, was obtained by RAPD analysis. The amplification results of OPO11 primer in several resistance japonica varieties, such as Xudao No.3, originated from Zhendao 88, were the same as that of Zhendao 88. The above marker linked to the rice stripe resistance gene in Zhendao 88 could be used in marker-assisted selected program for rice stripe resistance breeding.
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Received: 18 April 2008
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