Weed biomass

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RGR maintained at higher dry weight R G R ( g g - 1 d - 1 ) 0.35 0.30 0.25 0.20 0.15 0.10 0.05 0.00 0 5 10 15 20 25 DAT IR60080-46-A B6144-F-MR-6 Vandana APO IR60080-46-A B6144-F-MR-6 Vandana APO R G R ( g g - 1 d - 1 ) 0.35 0.30 0.25 0.20 0.15 0.10 0.05 0.00 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 Weight (g) IR60080-46A B6144-F-MR 6 Vandana APO APO IR60080-46-A Vandana B6144-F-MR-6 When RGR is plotted against plant dry weight a clear separation between cultivars with strong and medium WSA becomes apparent
Summary of observations Total dry weight at 26 DAT varied considerably between cultivars Differences comparable to differences in early vigour score in the field Differences not attributable to differences in RGR or any of its underlying components till 15 DAT From 15 DAT on, a rapid decline in RGR was observed, most likely due to intraspecific competition Comparison of RGR on the basis of plant dry weight revealed clear differences among cultivars
Page 1 and 2: What is the basis of early vigour,
Page 3 and 4: Cultural weed control Weed control
Page 5 and 6: Is there genetic variation for WSA
Page 7 and 8: Traits that favour weed competitive
Page 9 and 10: Identifying traits with a high pote
Page 11 and 12: Large genetic variability in WSA (w
Page 13 and 14: Correlation among traits Trait Weed
Page 15 and 16: Droopy plant type is not a favourab
Page 17 and 18: How to select for early vigour? In
Page 19 and 20: Growth chamber experiment Germinat
Page 21 and 22: Growth differences similar to field
Page 23: Analysis over first 15 days Cultiva
Page 27 and 28: Current and future research Focus

Weed biomass

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