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Abstract

A method for transforming Indica rice with a high efficiency is disclosed. In the method of the present invention, immature embryo cells of Indica rice are transformed by Agrobacterium method, and the transformed cells are selected. As the medium for selecting the transformed cells, a medium containing 2000 to 4000 mg/l of KNO.sub.3, 60 to 200 mg/l of MgSO.sub.4, 200 to 600 mg/l of KH.sub.2 PO.sub.4, 100 to 450 mg/l of CaCl.sub.2, 200 to 600 mg/l of (NH.sub.4).sub.2.SO.sub.4, 1 to 7 mg/l of H.sub.3 BO.sub.3, 2 to 20 mg/l of MnSO.sub.4, 20 to 50 mg/l of EDTA or a salt thereof, 3 to 8 mg/l of Fe, 50 to 200 mg/l of myoinositol, 0.5 to 10 mg/l of 2,4-dichlorophenoxyacetic acid, 0.01 to 5 mg/l of a cytokinin, 5000 to 80,000 mg/l of a sugar, and a gelling agent, which medium has a pH of 4.5 to 6.5, is used.

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