Relative Maturity: 105

SmartStax® RIB

Features & Benefits

  • Lead Rootworm Product for Maturity

  • Very Good Emergence and Seedling Vigor

  • Best in the Central and East

  • Excellent Top End Yield and Stress Tolerance


GDU to Mid-Silk: 1322
GDU to Black Layer: 2604
Pollination for Maturity: Medium

Region Adaptability


Staygreen: Above Average
Greensnap: Above Average
Stalks: Above Average
Roots: Above Average
Early Vigor: Excellent
Drought Tolerance: Above Average
Test Weight: Average
Silage: N/A

Soil Placement

Course (Droughty): Average
Medium: Above Average
Heavy (Well Drained): Above Average
Heavy (Poorly Drained): Average
Variable: Above Average

Disease Tolerance

Northern Leaf Blight: Above Average
Gray Leaf Spot: Average
Southern Leaf Blight: N/A
Goss’s Wilt: Average
Common Rust: Average
Southern Rust: Average
Stalk Rot: Average
Ear Rot: N/A

Rotation Management

Rotated Acres: Highly Recommended
Continuous Corn: Not Recommended
Continuous Corn with Fungicide: Highly Recommended

Water Management

Full Irrigation: Highly Recommended
Limited Irrigation: Highly Recommended
Rainfed: Highly Recommended
Dryland (Stress): Recommended

Management Response

Added Management: Above Average
Fungicide Response: 
Average Management Response: Above Average
Low Management: Average


The Seed House
87194 494th Avenue
O'Neill, NE 68763