Table 3.
Observed segregation of the F2 UI3T and UI3A52 populations for a qualitative halo blight reaction to races 1, 5, 7 and 9 in primary leaf and pod organs.
| Organ | UI3T | UI3A52 | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Ratio | R a | S | χ2 | P b | Ratio | R | S | χ2 | P b | |
| Race 1 | ||||||||||
| Primary leaf | NR | 7:9 | 155 | 246 | 4.2 | 0.04 | ||||
| Pod | 3:1 | 191 | 81 | 3.3 | 0.07 | 3:1 | 150 | 64 | 2.8 | 0.10 |
| Race 5 | ||||||||||
| Primary leaf | 1:3 | 147 | 312 | 12.1 | 0.00 | NR | ||||
| Pod | 3:1 | 190 | 81 | 3.5 | 0.06 | NR | ||||
| Race 7 | ||||||||||
| Primary leaf | NR | 7:9 | 173 | 230 | 0.1 | 0.07 | ||||
| Pod | 3:1 | 204 | 68 | 0.0 | 1.00 | 3:1 | 150 | 64 | 2.8 | 0.10 |
| Race 9 | ||||||||||
| Primary leaf | 1:3 | 151 | 320 | 12.5 | 0.00 | NR | ||||
| Pod | 3:1 | 166 | 106 | 28.3 | 0.00 | 3:1 | 125 | 60 | 32.6 | 0.00 |
a R = resistant, incompatible reaction, with a scale value of 1 to 3; S = susceptible, compatible reaction, with a scale value of 4 to 9; NR = Not recorded. b Probability of chi-square test for goodness of fit.