# DKC64-21RIB BRAND BLEND

- **Vendor:** Bayer
- **Brand:** Dekalb
- **Crop:** Corn
- **Relative maturity:** 114
- **Traits:** SSRIB (SmartStax® RIB Complete® corn blend)
- **Release year:** 2023
- **Source:** https://www.cropscience.bayer.us/corn/dekalb/dekalb-dkc64-21rib-corn
- **Rating scale (Bayer):** 1-9 (9 = best)

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## Positioning

DKC64-21RIB Brand Blend is bringing high yield potential and excellent southern rust tolerance. Has shown broad adaptation across soil types and with outstanding performance potential central and east.

## Strengths & management

- Outstanding test weight and grain quality with nice husk cover; comes with slow drydown
- Excellent Gray Leaf Spot, Southern Rust and Anthracnose Stalk Rot disease tolerance package
- Very strong emergence and seedling vigor to enable a wide planting window
- Robust plant type with semi-flex ear type that has shown good performance under medium to medium-high populations
- Very good root and stalk strength
- Has shown heat and drought stress tolerance
- Caution in fields with a history Goss’s Wilt and Northern Corn Leaf Blight pressure

## Disease Ratings

| Characteristic | Value |
|---|---|
| GRAY LEAF SPOT | 3 |
| COMMON RUST | 3 |
| SOUTHERN RUST | 2 |
| ANTHRACNOSE STALK ROT | 2 |
| GOSS'S WILT | 6 |
| SOUTHERN CORN LEAF BLIGHT | 4 |
| NORTHERN CORN LEAF BLIGHT - RACE 1 | 5 |

## Growth

| Characteristic | Value |
|---|---|
| SEEDLING GROWTH | 2 |
| EMERGENCE | 2 |
| ROOT STRENGTH | 2 |
| STALK STRENGTH | 3 |
| DROUGHT TOLERANCE | 3 |
| GREENSNAP TOLERANCE | 4 |
| PLANT HEIGHT | Med Tall |
| EAR PLACEMENT | Medium |

## Management

| Characteristic | Value |
|---|---|
| GDUS TO MID-POLLINATION | 1380 |
| GDUS TO BLACK LAYER | 2860 |
| VALUE ADDED TRAIT | SSRIB |
| RELATIVE MATURITY | 114 |
| PLANTING RATE | Medium |
| NEW PRODUCT | NO |
| VARIETY | 01095420 |

## Harvest

| Characteristic | Value |
|---|---|
| STAYGREEN | 2 |
| HARVEST APPEARANCE | 2 |
| DRYDOWN | 3 |
| TEST WEIGHT | 1 |

## Herbicide

| Characteristic | Value |
|---|---|
| GROWTH REGULATORS SENSITIVITY | A |
| ISOXAZOLES SENSITIVITY - PREEMERGENCE | A |
| SULFONYLUREAS SENSITIVITY | A |

## Plant Description

| Characteristic | Value |
|---|---|
| COB COLOR | Red |
| KERNEL CAP COLOR | Yellow |
| KERNEL ROW | 16 |

## Regional seed-guide listings

- **2023 NORTHEAST IOWA Duplicate** — agronomist: Lance Goettsch
- **2025 Northern Indiana Seed Guide** — agronomist: Jason Harmon
- **West Central Illinois 2025** — agronomist: Lance Tarochione
- **2024-2025 Dekalb Seed Guide** — agronomist: Andrew Penney
- **2025 SEED GUIDE** — agronomist: Luke Miller
- **Southwest  Iowa 24** — agronomist: Andrew Penney
- **Southern Illinois Seed Guide** — agronomist: Josh Tooley
- **West Central Illinois 2023** — agronomist: Lance Tarochione
- **2025 DEKALB/ASGROW SOUTHWEST IN GUIDE** — agronomist: Jordan Arndell
- **2026 Northern Indiana Seed Guide** — agronomist: Jason Harmon
- **2025 East Central Iowa** — agronomist: Lance Goettsch
- **Eastern Missouri 2025** — agronomist: Joe Harris
- **Southwest  Iowa 25** — agronomist: John Swalwell
- **2025 East Central Illinois Product Guide** — agronomist: Randy Niver
- **SOUTHERN ILLINOIS SMARTSTAX TRAIT FOCUS** — agronomist: Josh Tooley
- **Dekalb/Asgrow Seed Guide SE Indiana 2024** — agronomist: Megan Taylor
- **West Central Illinois 2023** — agronomist: Chris Kallal
- **2026 DEKALB/ASGROW SOUTHWEST IN GUIDE** — agronomist: Jordan Arndell
- **2026 EAST CENTRAL IOWA** — agronomist: Lance Goettsch