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Co-authored-by: claude <claude@jpaul.io> Co-committed-by: claude <claude@jpaul.io>
47 lines
1.8 KiB
Markdown
47 lines
1.8 KiB
Markdown
# LH 4989 SS RIB-NON RETURN
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- **Vendor:** Latham Hi-Tech Seeds (independent family-owned, Alexander, IA)
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- **Brand:** Latham Hi-Tech Seeds
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- **Crop:** Corn
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- **Relative maturity:** 99 days
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- **Trait(s):** Smart Stax
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- **Source:** https://www.lathamseeds.com/products/lh-4989-ss-rib/
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- **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.
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- **Service area:** Latham dealer network — Upper Midwest (IA/MN/WI/IL/ND/SD/NE)
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---
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_Known for its great performance in corn-on-corn situations, LH 4989 SS RIB uses its girthy, flex-ear style and great dry down to yield with low moisture for its maturity. You will see a consistent response to fungicide with good late-season standability on medium to higher-end productivity soils. LH 4989 SS RIB is a Grain First / Silage Capable hybrid._
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---
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## Agronomic Characteristics
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- **Flowering for Maturity:** Equal
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- **Early Vigor:** 3.0
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- **Stalk Strength:** 2.0
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- **Root Strength:** 1.5
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- **Stay Green:** 3.0
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- **Drydown:** 3.0
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- **Test Weight:** 3.0
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- **Drought Tolerance:** 3.0
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- **Foliar Fungicide:** 1.0
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- **Herbicide Sensitivity:** None Known
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- **Suggested Population:** 28-36
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- **Corn-on-Corn:** 2.0
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- **Ear Height:** Medium
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- **Ear Type:** Flex
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- **Number of Kernel Rows:** 18-20
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- **Cob Color:** Red
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- **Husk Cover:** Medium
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- **Shank Length:** Medium
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- **Leaf Angle:** Semi-Upright
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## Disease Ratings
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- **Goss’s Wilt:** 3.0
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- **Common Rust:** 2.0
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- **Northern Leaf Blight:** 2.5
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- **Anthracnose Stalk Rot:** ASR
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- **Gray Leaf Spot:** 3.0
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