# LH 5668 SS PRO RIB

- **Vendor:** Latham Hi-Tech Seeds (independent family-owned, Alexander, IA)
- **Brand:** Latham Hi-Tech Seeds
- **Crop:** Corn
- **Relative maturity:** 106 days
- **Trait(s):** Smart Stax Pro
- **Source:** https://www.lathamseeds.com/products/lh-5668-ss-pro/
- **Rating scale:** numeric ratings ~1-9 where LOWER = BETTER (1 = best / most tolerant / most resistant); confirmed by cross-referencing Product Overview prose vs values (top-rated stalks/roots cluster 1.0-1.5, weak traits 3.0-3.5, none approach 9). Categorical values pass through verbatim (SCN source 'PI 88788', Phytophthora 'Rps 1k', Anthracnose 'ASR', 'Medium Tall', 'Flex'). NA/blank = not rated.
- **Service area:** Latham dealer network — Upper Midwest (IA/MN/WI/IL/ND/SD/NE)

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_This SmartStax® PRO RIB hybrid is a sound agronomic package with great stalks, roots and test weight. LH 5668 SS PRO RIB needs medium to higher populations in medium to higher end performance environments. The SmartStax PRO trait package provides three modes of rootworm resistance, which gives farmers more flexibility on acres with heavy rootworm infestations._

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## Agronomic Characteristics

- **Flowering for Maturity:** Equal
- **Early Vigor:** 1.5
- **Stalk Strength:** 1.5
- **Root Strength:** 1.5
- **Stay Green:** 3.0
- **Drydown:** 2.0
- **Test Weight:** 2.0
- **Drought Tolerance:** 2.0
- **Foliar Fungicide:** 1.0
- **Herbicide Sensitivity:** None Known
- **Suggested Population:** 30-36
- **Corn-on-Corn:** 2.0
- **Ear Height:** Medium
- **Ear Type:** Flex
- **Number of Kernel Rows:** 16-18
- **Cob Color:** Red
- **Husk Cover:** Medium
- **Shank Length:** Medium
- **Leaf Angle:** Semi-Upright

## Disease Ratings

- **Goss’s Wilt:** 2.0
- **Common Rust:** 1.5
- **Southern Leaf Blight:** 1.5
- **Northern Leaf Blight:** 3.0
- **Anthracnose Stalk Rot:** ASR
- **Eye Spot:** 1.5
- **Gray Leaf Spot:** 2.0
