Table 5 The number of lines in the selected populations for better fibre quality belonging to different quartiles of relative lint yield of the unselected population calculated against a parent, Sicot 71 under different selection methods and the proportion of their commonality with those kept by the selection based on HVI-measured fibre properties
Selection methods for fibre quality | Relative lint yield ranges of different quartiles | |||
|---|---|---|---|---|
|  | ≤92 % | 92%−97 % | 97%−100 % | >100 % |
HVI fibre properties | ||||
 Number of lines retained | 11 | 26 | 21 | 28 |
Fibre quality index | ||||
 Number of lines retained | 20 | 19 | 20 | 26 |
 Common to those by fibre properties | 7 (35.0) | 13 (68.4) | 15 (75.0) | 15 (57.7) |
 Different to those by fibre properties | 13 (65.0) | 6 (31.6) | 5 (25.0) | 11 (42.3) |
Predicted yarn properties | ||||
 Number of lines retained | 15 | 18 | 20 | 29 |
 Common to those by fibre properties | 7 (46.7) | 14 (77.8) | 14 (70.0) | 18 (62.1) |
 Different to those by fibre properties | 8 (53.3) | 4 (22.2) | 6 (30.0) | 11 (37.9) |
Premium and discount points | ||||
 Number of lines retained | 21 | 19 | 22 | 24 |
 Common to those by fibre properties | 6 (28.6) | 10 (52.6) | 17 (77.3) | 12 (50.0) |
 Different to those by fibre properties | 15 (71.4) | 9 (47.4) | 5 (22.7) | 12 (50.0) |