Skip to main content

Table 5 Least square means of experimental F1 hybrids with the highest and lowest performance for fractal estimated root complexity

From: Characterization of mature maize (Zea mays L.) root system architecture and complexity in a diverse set of Ex-PVP inbreds and hybrids

Hybrid Crossa FD FA RA SD
Highest fractal dimension
 B73 × PHG84 SN 1.849 110,055 69.8 133.2
 B73 × PHG39 SS 1.842 89,725 65.7 136.4
 B73 × PHZ51 SN 1.841 104,597 69.1 129.2
 MO17 × PHG39 NS 1.835 103,815 81.1 130.1
 PHG39 × PHZ51 SN 1.835 108,746 83.2 120.2
Lowest fractal dimension
 LH1 × PHJ40 SS 1.731 58,682 72.8 94.8
 LH82 × PHJ40 NS 1.756 64,301 69.4 98.7
 LH1 × PHG47 SN 1.762 76,099 81.8 117.3
 LH82 × PHG47 NN 1.765 75,018 76.7 100.6
 PHG35 × PHJ40 NS 1.768 67,873 69.6 94.9
Widest root angle
 LH1 × PHZ51 SN 1.786 91,661 89.1 118.7
 PHG47 × PHZ51 NN 1.779 90,545 88.5 118.0
 LH1 × LH123HT SN 1.786 86,378 86.4 109.4
 PHG47 × PHG84 NN 1.806 103,906 85.7 98.8
 LH82 × PHZ51 NN 1.773 87,003 84.7 106.5
Most narrow root angle
 LH82 × PH207 NN 1.775 74,606 62.9 122.2
 B73 × PHG35 SN 1.813 86,539 61.8 126.1
 B73 × PHJ40 SS 1.800 70,524 60.7 117.7
 PH207 × PHJ40 NS 1.782 71,989 57.9 118.6
 B73 × PH207 SN 1.785 76,911 53.3 131.8
Standard error of L.S. means   ±0.010 ±4,782 ±3.0 ±9.9
F1 mean   1.795 85,265 74.2 118.8
  1. FD fractal dimension, FA fractal abundance, RA root angle and SD stalk diameter.
  2. aCross indicates whether the hybrid is an intra-pool or an inter-pool cross, parental inbreds are coded as S, Stiff stalk synthetic, N Non-stiff stalk