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 4957 VT2 PRO RIB-NON RETURN
+
+- **Vendor:** Latham Hi-Tech Seeds (independent family-owned, Alexander, IA)
+- **Brand:** Latham Hi-Tech Seeds
+- **Crop:** Corn
+- **Relative maturity:** 99 days
+- **Trait(s):** VT2 PRO RIB
+- **Source:** https://www.lathamseeds.com/products/lh-4957-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)
+
+---
+
+_A strong, flex ear that can add girth and/or length with consistent kernel depth on very good stalks and roots allows LH 4957 VT2 PRO RIB to perform across yield environments at medium to low population levels. Its very good fall appearance, late-season intactness and strong disease package allow LH 4957 VT2 PRO RIB to handle wide soil variability across the acre._
+
+---
+
+## Agronomic Characteristics
+
+- **Flowering for Maturity:** Equal
+- **Early Vigor:** 1.5
+- **Stalk Strength:** 2.0
+- **Root Strength:** 1.5
+- **Stay Green:** 2.0
+- **Drydown:** 1.5
+- **Test Weight:** 2.0
+- **Drought Tolerance:** 2.0
+- **Foliar Fungicide:** 3.0
+- **Herbicide Sensitivity:** None Known
+- **Suggested Population:** 28,000-34,000
+- **Corn-on-Corn:** 4.0
+- **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
+- **Northern Leaf Blight:** 2.0
+- **Anthracnose Stalk Rot:** ASR
+- **Gray Leaf Spot:** 2.0