Fig. 1.

a Schematic representation of the T-DNA of vector p5IRTCGBa (5,876 bp) in which primers for PCR analysis and the probe for Southern blot analysis are indicated. b Southern blot of DNA of 15 transformants used in the field trial and of untransformed Adira4, hybridized with the probe indicated in (a) and depicting T-DNA insertion number. c Young plant, d stem, e tuberous root, f tuberous root cross section, and g starch granules of the untransformed Adira4 control. h Young plant, i stem, j tuberous root, k tuberous root cross section, and l starch granules of a low-amylose transformant