Add 4 independent seed brands: Latham + Stine + 1st Choice + Burrus (+623 varieties) (#17)

Co-authored-by: claude <claude@jpaul.io> Co-committed-by: claude <claude@jpaul.io>
2026-06-04 21:58:07 -04:00
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+# LH 4454 VT2 PRO RIB
+
+- **Vendor:** Latham Hi-Tech Seeds (independent family-owned, Alexander, IA)
+- **Brand:** Latham Hi-Tech Seeds
+- **Crop:** Corn
+- **Relative maturity:** 94 days
+- **Trait(s):** VT2 PRO RIB
+- **Source:** https://www.lathamseeds.com/products/lh-4454-vt2-pro-rib/
+- **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)
+
+---
+
+_Very good early vigor and drought stress with a preference for medium populations allows LH 4454 VT2 PRO RIB to perform across all productivity levels and soil types. LH 4454 VT2 PRO RIB moves well south of its zone well and can deliver under stress. LH 4454 VT2 PRO RIB is Grain First / Silage Capable hybrid._
+
+---
+
+## Agronomic Characteristics
+
+- **Flowering for Maturity:** Moderately Late
+- **Early Vigor:** 1.5
+- **Stalk Strength:** 2.0
+- **Root Strength:** 2.0
+- **Stay Green:** 2.0
+- **Drydown:** 1.5
+- **Test Weight:** 2.0
+- **Drought Tolerance:** 1.5
+- **Foliar Fungicide:** 2.0
+- **Herbicide Sensitivity:** None Known
+- **Suggested Population:** 30-34
+- **Corn-on-Corn:** 2.0
+- **Ear Height:** Medium Low
+- **Ear Type:** Determinate
+- **Number of Kernel Rows:** 16-18
+- **Cob Color:** Red
+- **Husk Cover:** Medium
+- **Shank Length:** Medium
+- **Leaf Angle:** Semi-Upright
+
+## Disease Ratings
+
+- **Goss’s Wilt:** 2.5
+- **Common Rust:** 1.8
+- **Southern Leaf Blight:** 2.5
+- **Northern Leaf Blight:** 3.0
+- **Anthracnose Stalk Rot:** 2.5
+- **Eye Spot:** 1.9
+- **Gray Leaf Spot:** 2.5