Table 4.
Dry weight inhibitions of ALS- and ACC-resistant E. phyllopogon and E. crus-galli treated with QYR301 relative to the nontreated control in a greenhouse study 21 d after treatment (DAT).
| Treatments (g a.i.ha−1) | Dry weight inhibition (SE) | |||||
|---|---|---|---|---|---|---|
| E. phyllopogon Sa | E. phyllopogon ALS-Ra | E. phyllopogon ACC-Ra | E. crus-galli S |
E. crus-galli
QRa |
E. crus-galli ALS-R | |
| % | ||||||
| Penoxsulam (15) | 70 (1.7) de | 0 g | — | 92 (2.2) a | — | 0 c |
| Cyhalofop-butyl (80) | 84 (4.5) b | — | 8 (3.9) f | — | — | — |
| Quinclorac (250) | — | — | — | 92 (1.3) a | 32 (4.3) b | — |
| QYR301 (60) | — | — | — | 91 (1.1) a | 91 (2.2) a | 91 (1.5) a |
| QYR301 (120) | 78 (4.6) c | 68 (3.4) e | 74 (2.7) cd | 92 (2.4) a | 92 (1.2) a | 90 (2.5) a |
| QYR301 (180) | 95 (1.1) a | 93 (1.0) a | 94 (0.8) a | — | — | — |
aS = susceptible, ALS-R = ALS-resistant, ACC-R = ACC-resistant, QR = quinclorac-resistant. Different letters indicate significant difference at the P < 0.05 level according to Fisher’s protected LSD test.