# 4121RXF/SR BRAND

- **Vendor:** Bayer
- **Brand:** Channel
- **Crop:** Soybeans
- **Maturity group:** 4.1
- **Traits:** XF-SR (XtendFlex/SR)
- **Release year:** 2021
- **Source:** https://www.cropscience.bayer.us/soybeans/channel/channel-4121rxf-sr-soybeans
- **Rating scale (Bayer):** 1-9 (9 = best)

---
## Positioning

Early 4 MG XtendFlex® soybean with sulfonylurea (SR) herbicide tolerance

## Strengths & management

- Eastern fit. Better performance potential from Missouri and east
- Tall soybean with good standability

## Agronomic Characteristics

| Characteristic | Value |
|---|---|
| EMERGENCE | 1 |
| FLOWER COLOR | P |
| GROWTH HABIT | Indeterminate |
| HILUM COLOR | Ib |
| OIL CONTENT @ 13% MOISTURE | 21.50 |
| PLANT HEIGHT | MT |
| POD COLOR | Tn |
| PROTEIN CONTENT @ 13% MOISTURE | 40.18 |
| PUBESCENCE COLOR | Gr |
| PLANT TYPE | Medium |
| RELATIVE MATURITY | 4.1 |
| STANDABILITY | 4 |

## Disease Tolerance

| Characteristic | Value |
|---|---|
| FROGEYE LEAF SPOT | 3 |
| IRON DEFICIENCY CHLOROSIS | 5 |
| PRR GENE | Rps1c |
| PRR FIELD TOLERANCE | 5 |
| SOUTHERN STEM CANKER | 3 |
| SOYBEAN CYST NEMATODE | R3 |
| SUDDEN DEATH SYNDROME | 5 |

## Sensitivity

| Characteristic | Value |
|---|---|
| CHLORIDE SENSITIVITY | Inc |

## Other

| Characteristic | Value |
|---|---|
| HERBICIDE TOLERANT TRAIT | XF/SR |
| MATURITY GROUP | 4 |
| TRAIT | XF-SR |
| VARIETY CODE | 1083653 |

## Regional seed-guide listings

- **2025 Channel Product List NW MO, NE KS, Central MO** — agronomist: Mike Mullins
- **Ohio Corn, Soybeans, and Silage MY25** — agronomist: Mitchell Greve
- **2025 Southern Illinois Channel Soybean Products** — agronomist: Derek Whalen
- **Northeast MO** — agronomist: Steven Troesser
