| Table 1: Height and dry weight of Palmer amaranth controlsa. |
| | Accession | County | Resistance | Height (cm) | At harvest | | Days of drought stress | Height | Dry weight
| | 0 | 3 | 5 | 7 | 9 | (cm) | (g plant−1) |
| | Individual Palmer amaranth accessionsb |
| | 1 | Martin | ALSS/GS | 7.0 | 11.0 | 14.0 | 19.0 | 28.0 | 64.0 | 5.0 | | 2 | Harnett | ALSS/GS | 6.4 | 12.3 | 16.0 | 22.0 | 32.0 | 68.0 | 5.0 | | 3 | Lenoir | ALSS/GS | 7.0 | 11.3 | 14.0 | 18.0 | 25.0 | 57.0 | 4.3 | | 4 | Martin | ALSS/GS | 7.0 | 11.3 | 15.0 | 19.3 | 28.0 | 62.4 | 4.1 | | 5 | Edgecombe | ALSS/GS | 8.3 | 14.0 | 19.0 | 24.4 | 35.0 | 68.0 | 4.6 | | 6 | Wayne | GR | 8.0 | 13.0 | 17.0 | 21.4 | 30.0 | 62.4 | 4.1 | | 7 | Hoke | GR | 8.3 | 14.4 | 18.3 | 23.3 | 31.0 | 63.3 | 4.5 | | 8 | Robeson | GR | 8.0 | 13.3 | 18.0 | 24.1 | 33.4 | 64.1 | 4.6 | | 9 | Cumberland | GR | 8.0 | 13.4 | 17.3 | 23.0 | 31.0 | 57.4 | 4.0 | | 10 | Scotland | GR | 8.3 | 16.1 | 21.4 | 27.0 | 33.0 | 60.6 | 4.0 | | 11 | Robeson | ALSR | 8.1 | 14.0 | 19.0 | 25.1 | 33.3 | 64.1 | 4.0 | | 12 | Johnston | ALSR | 7.0 | 12.7 | 17.0 | 23.0 | 32.3 | 68.0 | 4.1 | | 13 | Robeson | ALSR | 9.4 | 16.2 | 20.2 | 25.0 | 31.4 | 58.3 | 4.0 | | 14 | Sampson | ALSR | 9.0 | 14.0 | 17.4 | 23.0 | 31.0 | 60.3 | 3.4 | | 15 | Edgecombe | ALSR | 8.2 | 13.4 | 17.0 | 22.0 | 26.2 | 53.0 | 3.4 |
| | Palmer amaranth accessions grouped by response to herbicidec |
| | 1 | | ALSS/GS | 7.0 | 12.0 | 15.3 | 21.0 | 29.4 | 63.1 | 4.5 | | 2 | | GR | 8.0 | 14.0 | 18.3 | 24.0 | 31.4 | 62.0 | 4.2 | | 3 | | ALSR | 8.2 | 14.0 | 18.0 | 23.3 | 31.0 | 61.0 | 3.7 |
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aData are pooled over experiments.
bConsists of fifteen Palmer amaranth accessions.
cConsists of a group of 5 acetolactate synthase-inhibitor susceptible and glyphosate-susceptible (ALSS/GS), a group of 5 acetolactate synthase inhibitor-resistant (ALSR), and a group of 5 glyphosate-resistant (GR) Palmer amaranth accessions.
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