# NK39-S6XF

- **Vendor:** Syngenta
- **Brand:** NK
- **Crop:** Soybeans
- **Maturity group:** 3.9
- **Traits:** XF
- **Catalog page:** https://www.syngenta-us.com/soybeans/nk/products
- **Tech sheet (PDF):** https://assets.syngenta-us.com/pdf/techsheets/NK39-S6XF_260310.pdf
- **Rating scale (NK):** 1-9 (1 = best, lower = more resistant)

---
## Positioning

Trusted Genetics with Strong Charcoal Root Rot Tolerance and Excluder Gene

## Strengths

- Stable performance across soil types
- Performs best in Western and Southern environments
- Strong response to irrigation

## Disease Genetics

| Characteristic | Value |
|---|---|
| Phytophthora Gene | Rps1c |
| SCN Race Coverage | MR3, MR14 |

## Agronomic Traits

| Characteristic | Value |
|---|---|
| Emergence | 2 |
| Standability | 2 |
| Shatter Tolerance | 2 |
| Green Stem | 2 |

## Soil Type Adaptation

| Characteristic | Value |
|---|---|
| Drought Prone | Good |
| Narrow Rows | Best |
| High pH | Poor |
| Wide Rows | Best |
| Highly Productive | Good |
| Moderate/Variable Environments | Best |
| Poorly Drained | Good |