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Growth Analysis
Unmanned Aerial System (UAS) based asymmetric cotton growth model for high throughput phenotyping
Jinha Jung (1), Juan Landivar (2), Anjin Chang (1), Junho Yeom (1)
Murilo Maeda (2), Andrea Maeda (2)
(1) Texas A&M University – Corpus Christi, Corpus Christi, TX(2) Texas A&M AgriLife Research, Corpus Christi, TX
plant growth analysis uses simple primary data in the form of weight, areas, volumes and contents of plant
components to investigate processes within and involving the whole plant (Hunt et al., 2002)
1964 1972 1982 1990
kreusler1879
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17 observation at weekly intervals throughout a whole growing season
how tomeasure
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uav dataprocessing
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canopy heightmeasurements
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canopy covermeasurements
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canopy volumemeasurements
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30 GenotypesWayne SmithSteve HagueJane DeverDavid Stelly
Visual ChecksPHY 499Every variety is paired with VC
Irrigation vs Dryland2 rows, 30ft, 10ft alley4 seed/ftrow spacing: 38 inches
3 RepetitionEach treatments has7 rows x 70 lines = 490 lines7 rows x 35 plots = 245 plots
1st flight
07 Apr
uav datacollection
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planting
01 Apr
earlyseason
earlyseason
companytimeline
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May ~ July
midseason
midseason
yield!yield!
uav datacollection
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Aug
lateseason
lateseason
harvesting
20 Aug
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3 parameter logistic model
( a = 100, b = 10, c = 60 )
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4 parameter logisticmodel
( a = 0, b = 3, c = 50, d = 100 )
Baud M, Data analysis, mathematical modeling, pp 656–671 in Methods of Immunological Analysis Volume 1: Fundamentals (Masseyeff RF et al., eds), VCH Publishers, Inc., New York, NY (1993)
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5 parameter logisticmodel
( a = 0, b = 3, c = 50, d = 100, g = 3 )
Baud M, Data analysis, mathematical modeling, pp 656–671 in Methods of Immunological Analysis Volume 1: Fundamentals (Masseyeff RF et al., eds), VCH Publishers, Inc., New York, NY (1993)
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4 parameter Richardmodel
( alpha = 100, beta = 75, k = 0.1, m = 0.3 )
D. Fekedulegn, M. Mac Siurtain, and J. Colbert, "Parameter estimation of nonlinear growth models in forestry," Silva Fennica, vol. 33, no. 4, pp. 327-336, 1999.
curve fittingsuccess rate
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meet ourteam
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Anjin ChangTAMU-CC
Jinha JungTAMU-CC
Juan LandivarAgriLife Research
MuriloMaedaAgriLife Research
Andrea MaedaAgriLife Research
Junho YeomTAMU-CC
thank you to