The Maricopa Agricultural Center (MAC)
The Maricopa field site is located at the the University of Arizona Maricopa Agricultural Center and USDA Arid Land Research Station in Maricopa, Arizona.
Overview of Experiments During the TERRA REF project
Season
Crop
Experiments
Populations(1)
Planting Date
Harvest
1
Sorghum
Density
BAP, RIL
2016-04-20
2016-07-16
2
Sorghum
Uniformity Trials(2)
Stay Green RILs F10
2016-07-27
2016-12-02
3
Durum Wheat
Diversity Panel
2016-12-15
2017-04-05
4
Sorghum
Late Season Drought
2017-04-13
2017-09-21
5
Durum Wheat
Diversity Panel
2017-11-20
2018-04-05
6
Sorghum
BAP
2018-04-20
2018-08-02
7
Sorghum
Hybrid Uniformity Blocks
Stay Green RILs, Mutants, F2 families
2018-08-23
2018-11-01
8
Durum Wheat
Uniformity Trials
Diversity Panel
2019-01-01
2019-03-31
9 S
Sorghum
GRASSL x RIO RILs
2019-05-01
2019-07-28
9 N(3)
Sorghum
SAP
2019-04-29
2019-09-05
(1) IL = Recombinant Inbred Lines, BAP = Bioenergy Association Panel, SAP = Sorghum Association Panel (2). Uniformity Trial = same lines planted in strips across field (3) In season 9 a second field ‘North’ was added, and separate trials were conducted
Season 1 sorghum (April - July 2016)
Three hundred thirty one lines were planted in Season 1.
Planting maps
Planting Design
Under scanner system
Experiment
Reps
Treatments
Experimental design
BAP
3
30 lines (12 PS, 12 sweet, 6 grain)
RCB with sorghum types nested in groups
Night illumination
3
5 illumination levels x 2 PS lines (with check line separating illumination levels)
RCB
Row #
3
6 adjacent plot scenarios: 3 lines (forage, sweet, PS) x 2 sides (east or west)
RCB but not balanced with all treatments in all reps
Biomass
3
5 sampling times x 3 lines (forage, sweet, PS)
RCB with sampling time as a repeated measure
Density
3
3 densities (5, 15, 30 cm) x 3 lines (forage, sweet, PS)
RCB
RILs
3
130 RILs plus 10 repeats of a single line/rep
Incomplete Block (row-column alpha lattice design)
Uniformity
17
2 lines (forage, PS)
None - Same line planted in single range
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