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. 2020 Apr 23;21:45. doi: 10.1186/s12863-020-00854-2

Table 2.

Means and standard deviations (SD) of 10 phenotypic traits of the recipient cultivar and six pyramided lines (PYLs)

Traits Lines
XY22 PYL1 PYL2 PYL3 PYL4 PYL5 PYL6
Plant height (cm) -Shooting period 36.83 ± 2.5 41.57 ± 2.4* 40.57 ± 1.7* 42.00 ± 2.1* 42.67 ± 2.7* 40.53 ± 1.6* 46.47 ± 2.2*
Plant height (cm)-Maturation period 72.43 ± 2.4 67.00 ± 2.0* 64.80 ± 2.7* 65.57 ± 2.2* 65.87 ± 2.4* 67.2 ± 1.7* 66.77 ± 2.5*
Days to flowering 199 ± 0.25 198 ± 0.25 197 ± 0.25 197 ± 0.25 198 ± 0.25 198 ± 0.25 197 ± 0.25
yellow rust resistance 4 2* 3* 2* 1* 1* 2*
Powdery mildew resistance 5 3* 2* 3* 2* 2* 2*
1000 grain weight (g) 41.35 ± 1.52 42.01 ± 1.56 43.4 ± 0.7 41.21 ± 0.86 43 ± 1.2 41.69 ± 0.5 40.3 ± 1.64
Tiller of 1m2 449 ± 14 512 ± 12** 492 ± 8** 487 ± 22** 534 ± 13** 566 ± 22** 593 ± 18**
Kernel number of 30 tassels 1220 ± 50 1201 ± 55 1148 ± 60 1127 ± 37 1107 ± 40 1105 ± 27 1237 ± 54
Grain yield (t/ha) 6.6 ± 0.2 7.6 ± 0.3 ** 7.2 ± 0.1 ** 7.4 ± 0.6 ** 7.7 ± 0.3 ** 7.5 ± 0.5 ** 8.3 ± 0.2 **

variance values are shown in parentheses, * means PYLs with Xy22 have significant difference (P < 0.05), **means PYLs with XY22 have highly significant difference