9600235466
Four independent regional brands across IA/IN/IL (variety-identity sources,
each parsed into structured characteristics_groups so ratings embed):
- latham (264: 155 corn + 109 soy) — Latham Hi-Tech Seeds, Alexander IA.
WordPress REST enum (/wp-json/wp/v2/varieties) + /products/<slug>/ detail
HTML. Scale 1-9 LOWER=better (reversed, like NK/AgriPro).
- stine (217: 58 corn + 159 soy) — Stine Seed, Adel IA (largest US
independent). sitemap enum + /{crop}/traits/<slug>/<code>/ detail HTML.
Corn 1-9 (9=best); soy qualitative.
- first_choice (78: 52 corn + 22 soy + 4 wheat) — 1st Choice Seeds,
Rushville IN (employee-owned). Per-crop sitemap -> detail HTML. Scale
0-10 higher=better. ~40 older corn pages thin at source; wheat
identity-only.
- burrus (64: 38 corn + 26 soy) — Burrus Seed, Arenzville IL. Seedware
JSON API. Scale 1-10 (10=best). Brands Burrus/Power Plus/DONMARIO.
robots ai-train=no + named-bot blocks; operator opted in, scraper uses a
non-blacklisted UA + honors Crawl-delay 10.
All 623 validated through rag.chunk.chunks_from_variety (0 errors; 6
identity-only pages from source gaps). No chunk.py change needed (identity
sources auto-route to chunks_from_variety).
Docs:
- sources.json: 4 entries + Hoegemeyer added to _excluded_sources. The
Corteva ToU (shared across pioneer.com / hoegemeyer.com / therightseed.com
/ corteva.com + the Vylor spinoff) bans scrapers + competitive use, so the
whole Corteva family is one excluded ToU domain.
- docs_mcp/lessons.md: rating-scales updated with all 4 directions +
an explicit cross-vendor warning (Latham 1=best vs Stine/Burrus higher=best
— never compare raw numbers without _scale_direction).
- README + CLAUDE corpus inventory: now 2,268 variety + 6,787 trial records.
CI rebuilds the index from the committed corpus.
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L 1236 E3
- Vendor: Latham Hi-Tech Seeds (independent family-owned, Alexander, IA)
- Brand: Latham Hi-Tech Seeds
- Crop: Soybeans
- Maturity group: 1.2
- Trait(s): Enlist E3
- Source: https://www.lathamseeds.com/products/l-1236-e3/
- 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)
Dual Phytophthora Root Rot genes and excellent emergence make L 1236 E3 the top choice for early plantings. The medium-tall plant has superior stress tolerance for a wide range of soil types and environments. The dense canopy leads to average Sclerotinia White Mold tolerance. Excellent Iron Deficiency Chlorosis makes it a key line for South Dakota and Minnesota
Agronomic Characteristics
- Relative Maturity: 1.2
- Emergence: 1.5
- Plant Height: Medium Tall
- Plant Type: Medium
- Flower Color: Purple
- Pubescence: Gray
- Pod Color: Tan
- Hilum Color: Imperfect Black
Disease Ratings
- SCN Resistance: PI 88788
- Iron Chlorosis: 2.0
- Stress Tolerance: 1.5
- Phytophthora Root Rot: 1c/3a, 1.5
- White Mold: 3.0
- Sudden Death: 3.0