The Application of Ooubled Haploid Plants to Population ... - MSpace

4-10
Height
The mean height of the Reward donor population was greater than the mean of
the DH lines (Table 4.1). Individual Reward and DSC-3 OH Iines showed variation for
height (Table 4.3; Appendix 1 Od).
There were no differences in height between Reward Cl and C, populations or
the donor population (Table 4.4 and 4.5). There was no difference in height between
any DSC-3 Cl and C, populations (Table 4.6 and 4.7).
Lodging
There was no difrence in the level of lodging show by the mean of the
Reward DH lines and the Reward donor population (Table 4.1; Appendix IOe).
Variation for lodging was expressed by individual Reward and DSC-3 DH lines (Table
4.3).
No difference in the level of lodging ocwrred between the Reward C, and C,
populations or the donor population (Table 4.4 and 4.5). There was also no difference
in the level of lodging between any of the DSC-3 Cl and C, populations (Table 4.6 and
4-7).
Seed Yield
The Reward OH lines had a lower mean seed yield than the Reward donor
population (Table 4.1 ). The variation in seed yield performance between the individual
DH lines that contributed to the Cl, Cl, Cl, and Cl, populations is shown in Fig.
4.1 a-d. The individual DSC-3 OH lines expressed low seed yields with a range of 2.50
- 116 g (Table 4.3).