Korean Journal of Breeding Science :eISSN 2287-5174 / pISSN 0250-3360

Table. 1.

Descriptive statistics of 13 agronomic traits in 130 durum wheat accessions under different nitrogen fertilizations.

Trait Fertilizer Avez SDy Minx Maxw CVv Control
(Geumgang)
Day to heading
(Days)
SNu 199.1 5.98 185 216 2.9 162
NNt 199.0 ns 5.45 186 215 2.7 162 ns
Culm length
(cm)
SN 118.3 23.45 54.8 171.0 19.8 68.0
NN 113.2 ns 24.37 54.0 158.8 21.5 67.0 ns
Spike length
(cm)
SN 8.4 1.44 5.33 13.0 17.0 8.4
NN 8.4 ns 2.55 4.60 20.2 30.4 8.3 ns
Awn length
(cm)
SN 11.2 2.15 5.0 18.4 19.2 5.5
NN 10.7 ns 2.52 0.0 18.0 23.7 5.0 ns
SPAD SN 552.2 38.03 451.0 679.0 6.9 531.0
NN 453.0*** 54.84 303.2 569.0 12.1 376.4***
Flag leaf length
(mm)
SN 265.4 33.68 196.0 390.6 12.7 195.4
NN 249.6** 35.38 135.0 346.2 14.2 194.2 ns
Flag leaf width
(mm)
SN 16.8 2.74 10.0 24.2 16.4 11.0
NN 16.4 ns 2.26 10.8 22.4 13.8 11.0 ns
Spikelet number per spike SN 21.7 2.47 13.20 28.40 11.4 14.9
NN 21.6 ns 2.58 13.50 30.20 11.9 15.2 ns
Grain area
(mm2)
SN 15.73 1.856 11.37 21.56 11.8 19.19
NN 15.21** 1.700 10.82 21.51 11.2 18.65**
Grain length
(mm)
SN 6.87 0.571 5.60 9.28 8.3 7.21
NN 6.60*** 0.496 5.46 8.04 7.5 6.94**
Grain width
(mm)
SN 2.91 0.184 2.42 3.41 6.3 3.37
NN 2.92 ns 0.171 2.40 3.40 5.8 3.40 ns
Thousand grain weight (g) SN 39.3 8.59 20.7 60.8 21.9 41.9
NN 44.5*** 7.44 26.9 74.3 16.7 42.0 ns
Protein content
(%)
SN 17.0 1.60 13.5 22.7 9.4 18.0
NN 12.8*** 2.06 9.5 19.2 16.2 11.9***

zAve : average, ySD : standard deviation, xMin : minimum, wMax : maximum, vCV : coefficient of variation, uSN : standard nitrogen fertilization, tNN : no nitrogen fertilization, ns : not significantly different at p<0.05, ** : significantly different at p<0.001, *** : significantly different at p<0.0001.

Korean J. Breed. Sci. 2024;56:281-91 https://doi.org/10.9787/KJBS.2024.56.3.281
© 2024 Korean J. Breed. Sci.