Breeding Grasses and Protein Crops in the Era of Genomics 2018
DOI: 10.1007/978-3-319-89578-9_37
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Using LIDAR for Forage Yield Measurement of Perennial Ryegrass (Lolium perenne L.) Field Plots

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Cited by 9 publications
(12 citation statements)
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“…Overall, the accuracy of the LiDAR in estimating both FW and DM yield compares favourably with prior reports for this LiDAR system Ghamkhar et al 2018) and is a substantial advance on traditional methods (Smith et al 2001). The level of accuracy achieved here, ranging from 0.73 to 0.87 compares favourably with the R 2 = 0.76 for pasture grass assessment using a more complex system relying on LiDAR augmented with an additional sensor providing normalised difference vegetation index data (Schaefer & Lamb 2016).…”
Section: Discussionsupporting
confidence: 67%
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“…Overall, the accuracy of the LiDAR in estimating both FW and DM yield compares favourably with prior reports for this LiDAR system Ghamkhar et al 2018) and is a substantial advance on traditional methods (Smith et al 2001). The level of accuracy achieved here, ranging from 0.73 to 0.87 compares favourably with the R 2 = 0.76 for pasture grass assessment using a more complex system relying on LiDAR augmented with an additional sensor providing normalised difference vegetation index data (Schaefer & Lamb 2016).…”
Section: Discussionsupporting
confidence: 67%
“…Building on recent progress in Canterbury developing a mobile precision phenomics platform using LiDAR to measure seasonal DM in the field Ghamkhar et al 2018), the aim of this study was to evaluate this platform for the accuracy of nondestructive, real-time estimation of FW and DM yield in a perennial ryegrass breeding trial in the Waikato.…”
Section: Introductionmentioning
confidence: 99%
“…There are many new options available to forage breeders including genomic selection (Faville et al, 2018), phenomics (Ghamkhar et al, 2018), wide hybridization (Nichols et al, 2014), novel traits (Hancock et al, 2012), and breeding strategy per se (Hoyos-Villegas et al, 2018), which may influence the rate of gain. As such, historical genetic gain rates can serve as a benchmark for realized rates of gain to compare with alternative breeding strategies.…”
mentioning
confidence: 99%
“…Lidar has demonstrated accurate predictions (R 2 > 0.80) for crop density in wheat (Triticum aestivum L.; Saeys et al, 2009;Hosoi and Omasa, 2009) Zhang and Grift, 2012), rice (Oryza sativa L.; Tilly et al, 2014), and maize (Zea mays L.; Luo et al, 2016); canopy volume in tree species (Rosell et al, 2009); and biomass in maize (Luo et al, 2016), alfalfa (Medicago sativa L.; Noland et al, 2018), and wheat (Jimenez-Berni et al, 2018). Numerous other forage crops have exhibited moderate to high correlations between lidar and biomass (Freeman et al, 2007;Schaefer and Lamb, 2016;Ghamkhar et al, 2018).…”
Section: Hairy Vetch (Vicia Villosamentioning
confidence: 99%