seed-mcp/corpus/proharvest/proharvest-4340.json

{
  "source": "proharvest",
  "source_key": "proharvest-4340",
  "vendor": "ProHarvest Seeds",
  "brand": "ProHarvest Seeds",
  "product_name": "4340",
  "product_id": "4340",
  "crop": "corn",
  "release_year": null,
  "relative_maturity": 93,
  "maturity_group": null,
  "wheat_class": null,
  "trait_stack": [
    "VT Double PRO RIB Complete"
  ],
  "trait_descriptions": [],
  "positioning_statement": null,
  "strengths": [],
  "characteristics_groups": [
    {
      "label": "GENERAL CHARACTERISTICS",
      "items": [
        {
          "characteristic": "GDD Pollination",
          "value": "1235"
        },
        {
          "characteristic": "GDD Black Layer",
          "value": "2310"
        },
        {
          "characteristic": "Pollination for Maturity",
          "value": "Average"
        },
        {
          "characteristic": "Plant Height",
          "value": "Medium"
        },
        {
          "characteristic": "Leaf Type",
          "value": "Semi-Upright"
        },
        {
          "characteristic": "Ear Height",
          "value": "Medium"
        },
        {
          "characteristic": "Ear Type",
          "value": "Semi-Flex"
        },
        {
          "characteristic": "Kernel Rows",
          "value": "16-18"
        },
        {
          "characteristic": "Cob Color",
          "value": "Red"
        },
        {
          "characteristic": "Test Weight",
          "value": "Good"
        },
        {
          "characteristic": "Husk Coverage",
          "value": "Good"
        },
        {
          "characteristic": "Covercrop Companion",
          "value": "Very Good"
        }
      ]
    },
    {
      "label": "AGRONOMIC CHARACTERISTICS",
      "items": [
        {
          "characteristic": "Yield for Maturity",
          "value": "Excellent"
        },
        {
          "characteristic": "Emergence",
          "value": "Excellent"
        },
        {
          "characteristic": "Seedling Vigor",
          "value": "Excellent"
        },
        {
          "characteristic": "Stalk Strength",
          "value": "8"
        },
        {
          "characteristic": "Root Strength",
          "value": "8"
        },
        {
          "characteristic": "Green Snap",
          "value": "8"
        },
        {
          "characteristic": "Stay Green",
          "value": "Very Good"
        },
        {
          "characteristic": "Dry Down",
          "value": "Very Good"
        },
        {
          "characteristic": "Stress Tolerance",
          "value": "Very Good"
        },
        {
          "characteristic": "Delayed Harvest",
          "value": "Very Good"
        },
        {
          "characteristic": "Response to Fungicide",
          "value": "Yes"
        },
        {
          "characteristic": "Corn After Corn",
          "value": "Very Good"
        },
        {
          "characteristic": "Silage",
          "value": "Very Good"
        }
      ]
    },
    {
      "label": "DISEASE RATINGS",
      "items": [
        {
          "characteristic": "Overall Disease Rating",
          "value": "6.5"
        },
        {
          "characteristic": "Grey Leaf Spot",
          "value": "7"
        },
        {
          "characteristic": "Northern Corn Leaf Blight",
          "value": "7"
        },
        {
          "characteristic": "Southern Leaf Blight",
          "value": "NA"
        },
        {
          "characteristic": "Common Rust",
          "value": "8"
        },
        {
          "characteristic": "Southern Rust",
          "value": "NA"
        },
        {
          "characteristic": "Eye Spot",
          "value": "NA"
        },
        {
          "characteristic": "Goss's Wilt",
          "value": "8"
        },
        {
          "characteristic": "Stalk Anthracnose",
          "value": "8"
        },
        {
          "characteristic": "Diplodia Ear Rot",
          "value": "NA"
        },
        {
          "characteristic": "Physoderma",
          "value": "NA"
        },
        {
          "characteristic": "Tar Spot",
          "value": "NA"
        }
      ]
    },
    {
      "label": "SOIL ADAPTABILITY",
      "items": [
        {
          "characteristic": "Light Soils",
          "value": "HR"
        },
        {
          "characteristic": "Medium Soils",
          "value": "HR"
        },
        {
          "characteristic": "Heavy Soils",
          "value": "R"
        },
        {
          "characteristic": "Poorly Drained Soils",
          "value": "R"
        }
      ]
    },
    {
      "label": "NITROGEN APPLICATION/TIMING",
      "items": [
        {
          "characteristic": "Corn/SB 100% Pre",
          "value": "R"
        },
        {
          "characteristic": "Corn/SB Pre/Side",
          "value": "HR"
        },
        {
          "characteristic": "Corn/SB Starter/Side",
          "value": "HR"
        },
        {
          "characteristic": "Corn/Corn 100% Pre",
          "value": "NR"
        },
        {
          "characteristic": "Corn/Corn Pre/Side",
          "value": "HR"
        },
        {
          "characteristic": "Corn/Corn Starter/Side",
          "value": "HR"
        },
        {
          "characteristic": "Corn/Cover 100% Pre",
          "value": "NR"
        },
        {
          "characteristic": "Corn/Cover Pre/Side",
          "value": "HR"
        },
        {
          "characteristic": "Corn/Cover Starter/Side",
          "value": "HR"
        }
      ]
    },
    {
      "label": "RECOMMENDED SEEDING RATES",
      "items": [
        {
          "characteristic": "30\" Low",
          "value": "30-32"
        },
        {
          "characteristic": "30\" Medium",
          "value": "32-34"
        },
        {
          "characteristic": "30\" High",
          "value": "34-36"
        },
        {
          "characteristic": "Narrow Low",
          "value": "32-34"
        },
        {
          "characteristic": "Narrow Medium",
          "value": "34-36"
        },
        {
          "characteristic": "Narrow High",
          "value": "36-38"
        }
      ]
    }
  ],
  "_scale_direction": "disease 1-9, 9=best/most-tolerant, NA=not rated; agronomic/general qualitative (Excellent/Very Good/Good/Average); soil HR=highly recommended/R=recommended",
  "regional_recommendations": [
    {
      "product_list_name": "ProHarvest dealer network (Eastern/Central Corn Belt — IL/IN/OH/MO/IA/KS/NE)",
      "agronomist": null,
      "agronomist_email": null,
      "variant_id": null
    }
  ],
  "image_url": null,
  "source_urls": [
    "https://proharvestseeds.com/seed/4340/"
  ],
  "sitemap_last_modified": null,
  "fetched_at": "2026-06-05T00:30:37.288653+00:00",
  "scraper_version": "0.1.0"
}