Table 2. Quantification and Statistical Analysis of Flower Numbers with Additional Petals in PGX1 Mutant and Overexpression Lines
GenotypeColPGX1ATColPGX1OE-1ColPGX1OE-48Colpgx1-1Colpgx1-2
No. flowers w/four petals895844244255829832118714121011887
No. flowers w/five petals3985613203935662454
Percentage w/extra petals4.189.152.404.852.364.482.864.472.325.74
P (χ2)4.0 × 10−143.2 × 10−32.1 × 10−55.6 × 10−173.9 × 10−13
No. replicates31243
  • All completely open flowers were counted for each experiment. The percentage indicates the ratio of flowers with five or more petals to total completely open flowers.