A Model Analysis of Yield Differences among Recombinant Inbred Lines in Barley
Xinyou Yina,
Martin J. Kropffb,
Jan Goudriaanb and
Piet Stamc
a Plant Research International, Wageningen Univ. and Research Centre, P.O. Box 14, 6700 AA Wageningen, Netherlands
b Laboratory of Theoretical Production Ecology, Wageningen Univ. and Research Centre, P.O. Box 430, 6700 AK Wageningen, Netherlands
c Lab. of Plant Breeding, Wageningen Univ. and Research Centre, P.O. Box 386, 6700 AJ Wageningen, Netherlands

View larger version (42K):
[in a new window]
|
Fig. 1 Yield of recombinant inbred lines (RILs) of barley in replicate plots in (A) 1996 and (B) 1997. `Apex' (solid diamonds) and `Prisma' (solid triangles) are the parents
|
|

View larger version (26K):
[in a new window]
|
Fig. 2 Comparisons between observed and simulated values of (A) shoot biomass, (B) leaf area index (LAI), and (C) grain yield of barley for 1997 (for each correlation, n = 96). The diagonal line is the 1:1 line
|
|

View larger version (25K):
[in a new window]
|
Fig. 3 Comparisons between observed and simulated values of barley shoot biomass for 1997, using observed leaf area index as model inputs (for each correlation, n = 96). The diagonal line is the 1:1 line
|
|

View larger version (30K):
[in a new window]
|
Fig. 4 Comparisons between observed and simulated values of (A) leaf area index (LAI), (B) shoot biomass, and (C) yield of barley for 1996 (n = 40 for measurements at 42 and 82 DAE, and n = 212 for measurements at flowering and maturity). The diagonal line is the 1:1 line
|
|

View larger version (27K):
[in a new window]
|
Fig. 5 Relation between specific leaf area and leaf N content of barley measured at flowering in 2 yr
|
|
Copyright © 2000 by the American Society of Agronomy.