Add ProHarvest Seeds: 119 varieties + 161 cross-vendor plot reports (#16)

Co-authored-by: claude <claude@jpaul.io> Co-committed-by: claude <claude@jpaul.io>
2026-06-04 21:05:30 -04:00
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+# 82P96
+
+- **Vendor:** ProHarvest Seeds (independent regional brand)
+- **Brand:** ProHarvest Seeds
+- **Crop:** Corn
+- **Relative maturity:** 112 days
+- **Trait(s):** PowerCore
+- **Source:** https://proharvestseeds.com/seed/82p96/
+- **Rating scale:** disease 1-9, 9=best/most-tolerant, NA=not rated; agronomic/general qualitative (Excellent/Very Good/Good/Average); soil HR=highly recommended/R=recommended
+- **Service area:** Independent dealer network — Eastern/Central Corn Belt (IL/IN/OH/MO/IA/KS/NE)
+
+---
+
+## General Characteristics
+
+- **GDD Pollination:** 1330
+- **GDD Black Layer:** 2597
+- **Pollination for Maturity:** Average
+- **Plant Height:** Medium-Tall
+- **Leaf Type:** Semi-Upright
+- **Ear Height:** Medium
+- **Ear Type:** Flex
+- **Kernel Rows:** 16-20
+- **Cob Color:** Red
+- **Test Weight:** Good
+- **Husk Coverage:** Very Good
+- **Covercrop Companion:** Good
+
+## Agronomic Characteristics
+
+- **Yield for Maturity:** Excellent
+- **Emergence:** Very Good
+- **Seedling Vigor:** Very Good
+- **Stalk Strength:** 7
+- **Root Strength:** 7
+- **Green Snap:** 7
+- **Stay Green:** Very Good
+- **Dry Down:** Very Good
+- **Stress Tolerance:** Very Good
+- **Delayed Harvest:** Good
+- **Response to Fungicide:** Excellent
+- **Corn After Corn:** Good
+- **Silage:** Very Good
+
+## Disease Ratings
+
+- **Overall Disease Rating:** 7.5
+- **Grey Leaf Spot:** 7
+- **Northern Corn Leaf Blight:** 8
+- **Southern Leaf Blight:** NA
+- **Common Rust:** 8
+- **Southern Rust:** 8
+- **Eye Spot:** NA
+- **Goss's Wilt:** 8
+- **Stalk Anthracnose:** 7
+- **Diplodia Ear Rot:** 8
+- **Physoderma:** NA
+- **Tar Spot:** 6
+
+## Soil Adaptability
+
+- **Light Soils:** HR
+- **Medium Soils:** HR
+- **Heavy Soils:** HR
+- **Poorly Drained Soils:** R
+
+## Nitrogen Application/Timing
+
+- **Corn/SB 100% Pre:** R
+- **Corn/SB Pre/Side:** HR
+- **Corn/SB Starter/Side:** HR
+- **Corn/Corn 100% Pre:** NR
+- **Corn/Corn Pre/Side:** HR
+- **Corn/Corn Starter/Side:** HR
+- **Corn/Cover 100% Pre:** NR
+- **Corn/Cover Pre/Side:** HR
+- **Corn/Cover Starter/Side:** HR
+
+## Recommended Seeding Rates
+
+- **30" Low:** 29-30
+- **30" Medium:** 31-32
+- **30" High:** 32-33
+- **Narrow Low:** 30-31
+- **Narrow Medium:** 32-33
+- **Narrow High:** 33-34