MDARD rotational survey · 2011–2022

Portfolio concentration & reporting

Cultivar concentration, diversity within seasons, and how cultivar reporting turned over between rotational survey years.

Commercial growers
Updated 2026-07-22
Michigan Department of Agriculture and Rural Development (MDARD) Fruit Inventory

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Supplemental cultivar-portfolio views: concentration outside Redhaven, effective diversity within maturity seasons, and how cultivar reporting changed between survey rounds.

**Ranked 2022 cultivar acreage outside Redhaven.** Largest non-Redhaven cultivars by reported acreage.

**Cultivar concentration outside Redhaven.** How much acreage is held by the top-ranked cultivars.

**Concentration and effective diversity outside Redhaven.** Portfolio concentration metrics across inventory years.

**Effective cultivar diversity within each maturity season.** Whether early, mid, and late seasons carry similar cultivar breadth.

**Early-versus-late acreage balance outside Redhaven.** Balance of acreage across the harvest calendar excluding Redhaven.

**Observed cultivar-listing turnover between inventories.** How cultivar reporting changed between survey years.

**Persistence of cultivar reporting across inventories.** Which cultivars appear consistently across survey rounds.

**Cultivar reporting entrants and exits from 2011 to 2022.** Endpoint changes along the maturity calendar.

**Did the largest 2011 cultivars gain or lose acreage?.** Starting 2011 acreage versus subsequent change through 2022.

**Seven-day harvest-window coverage outside Redhaven.** Rolling window coverage of cultivar acreage across the season.