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. 2018 May 18;9:653. doi: 10.3389/fpls.2018.00653

Table 2.

Genetic analysis of clubroot resistance in the F2 population.

Materials Resistant plants Susceptible plants χ2 χ2 0.05
“85-74” 30 0
“BJN3-1” 0 29
F1 population 30 0
F2 population 321 106 0.007 3.841