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justin eaa7e0789b bayer_seeds: add Channel + DEKALB silage/sorghum/canola + Deltapine cotton

User flagged that Channel is expanding into their area — re-walked
the cropscience.bayer.us sitemap and found 8 additional brand×crop
paths beyond the original DEKALB/Asgrow/WestBred triple. Patches
the scraper to walk all of them; total Bayer varieties roughly
doubles from 475 to 931 and the corpus picks up first-ever
coverage in sorghum (36), cotton (30), canola (6), and silage as a
distinct crop (was conflated with corn before).

Net new varieties: 456
  Channel    corn=181  soy=67   silage=54  sorghum=18    (320)
  DEKALB     silage=82 sorghum=18  canola=6              (106)
  Deltapine  cotton=30                                    (30)

scrape/sources/bayer_seeds.py
- Replace `BRANDS` (brand → 1 path) and `CROP_SUFFIX` (brand → 1
  suffix) with a flatter `BRAND_PATHS` list of (brand, url_path,
  crop, is_primary_for_brand) entries. Channel and DEKALB are now
  multi-crop brands; the same scraper walks every brand×crop pair.
- source_key derivation: for a brand's PRIMARY crop, strip the
  trailing `-<crop>` suffix (matches the existing deployed source
  keys for DEKALB corn / Asgrow soy / WestBred wheat). For
  SECONDARY crops, KEEP the suffix so DEKALB-the-same-SKU sold as
  both grain corn and silage gets two distinct source_keys
  (collision-safe and unambiguous for `lookup_variety`).
- New `--crop` CLI filter for incremental backfills.
- Log line shows brand + crop alongside source_key for visibility.

rag/chunk.py
- Channel + Deltapine pages use slightly different characteristics
  group labels (DISEASE not DISEASE RATINGS, AGRONOMIC
  CHARACTERISTICS not GROWTH/HARVEST, plus MATURITY / ADAPTATION /
  HERBICIDES / OTHER). Fold them into the DISEASE / AGRONOMIC /
  MANAGEMENT label sets so the chunker buckets them correctly
  into the standard sections.

Smoke-tested cross-brand × cross-crop queries against the rebuilt
index (5,529 chunks total) — all 6 sample queries surface the
right brand+crop at top-3:
  Channel corn 110 RM       → 210-25TRE BRAND
  Channel soy 2.5 MG IA     → 2622RXF BRAND
  Deltapine cotton XF       → DP 1820 B3XF BRAND
  Sorghum dryland Kansas    → 6B95 BRAND (Channel)
  Silage corn WI dairy      → DKC64-44RIB BRAND BLEND (silage variant)
  Canola Northern Plains    → DK401TL BRAND

Watchtower will pull the new image on the next push; deploy is
unchanged otherwise.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

2026-05-26 11:54:30 -04:00

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DKC52-16 BRAND

Vendor: Bayer
Brand: Dekalb
Crop: Silage
Traits: CONV (Conventional)
Release year: 2022
Source: https://www.cropscience.bayer.us/silage/dekalb/dekalb-dkc52-16-silage
Rating scale (Bayer): 1-9 (9 = best)

Positioning

DKC52-16 Brand is an eye-catching 102 RM hybrid that has shown excellent yield potential and stability in the 100 to 105 RM zones. It can provide an overall good agronomic package including good stalks and root strength as well as greensnap tolerance.

Strengths & management

Very good test weight and grain quality
Can provide good Goss's Wilt tolerance
Very good stalk strength
Excellent staygreen and very good late season harvest appearance
Hybrid has shown good performance in stressed growing conditions
Has shown to be a strong candidate for corn following corn environments
Product has shown response to density in managed programs to maximize yield potential

Management

Characteristic	Value
VALUE ADDED TRAIT	CONV
RELATIVE MATURITY	102
GDUS TO MID-POLLINATION	1285
GDUS TO BLACK LAYER	2540
PLANTING RATE	Med High
SILAGE PROVEN	No
NEW PRODUCT	NO
VARIETY	01079865

Plant Description

Characteristic	Value
COB COLOR	Red
KERNEL CAP COLOR	Yellow
KERNEL ROW	18

Growth

Characteristic	Value
EMERGENCE	3
SEEDLING GROWTH	3
ROOT STRENGTH	3
STALK STRENGTH	2
DROUGHT TOLERANCE	3
GREENSNAP	3
PLANT HEIGHT	Medium
EAR PLACEMENT	Medium

Harvest

Characteristic	Value
STAYGREEN	4
HARVEST APPEARANCE	2
DRYDOWN	2
TEST WEIGHT	3

Diseases

Characteristic	Value
NORTHERN CORN LEAF BLIGHT	4
GRAY LEAF SPOT	5
ANTHRACNOSE STALK ROT	3
GOSS'S WILT	4

Herbicide

Characteristic	Value
GROWTH REGULATORS SENSITIVITY	A
SULFONYLUREAS SENSITIVITY	A
ISOXAZOLES SENSITIVITY - PRE-EMERGENCE	A

Silage Characteristics

Characteristic	Value
NDFD 24 HR	4
NDFD 30 HR	4
% OF STARCH	3
IVSD7HR	3
SILAGE YIELD	1
MILK PER TON	2
MILK PER ACRE	3

Regional seed-guide listings

2026 Washington, Oregon, SEED GUIDE — agronomist: Dave Heimkes
2025 Washington, Oregon, SEED GUIDE — agronomist: Dave Heimkes
2025 IDAHO, UTAH SEED GUIDE — agronomist: Dave Heimkes

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