Current UCUI
68/100
Moderate-High Uncertainty
+4 points from prior reading
Potato Market Intelligence
Potato Second Growth Defect Rate
Potato second growth defect rate measures knobs, bottlenecks, and other irregular secondary growth that can reduce packout or cut recovery. MassGain separates mild from severe deformation and connects each level with end-use performance, regional crop quality, price adjustment, and alternate outlets.
Market Data
How to read this market
Potato second-growth-defect-rate data measures knobs, bottlenecks, dumbbell forms, and other irregular secondary growth by incidence and severity. The market object is the lot's deformation profile linked to variety, field, region, size, crop conditions, sampling method, and intended fresh or processing use.
Use the data to estimate packout, peel and trim loss, cut recovery, finished-piece uniformity, and contract deductions. Compare severity with regional crop quality and alternate outlets because mild and extreme second growth have very different commercial consequences.
Data Module
Potato Second Growth Defect Rate
Market objectirregular-shape potato lot
Primary measuresincidence and severity
Key dimensionsfield, variety, size, end use
Commercial usequality-adjusted value and allocation
Value linkspackout, peel, cut recovery
Compare withregional quality and alternate outlets
Analysis
Why this matters
A broad defect rate can obscure the difference between modest shape variation and severe deformation. The former may have little effect on wedges or peeled products while the latter can sharply reduce long-fry or fresh-pack recovery.
Commercial interpretation should price the actual recovery loss by product. Regional second-growth pressure can tighten uniform premium supply without making all affected potatoes commercially unusable.
Signal 01
Usable Crop Uncertainty Index
UCUI translates crop and market complexity into a simple uncertainty signal. Higher readings indicate greater uncertainty—not necessarily higher prices.
Understand uncertainty. Anticipate risk. Act earlier.
UCUI is designed to analyze potato-industry publications and data signals across regions, varieties, weather, disease, storage, supply, and demand.
WeatherHigh
DiseaseHigh
StorageMedium
SupplyMedium
Single-day snapshot based on a scan of 11,500+ web and social signals. Get historical and real-time data by clicking the button below.
The MassGain Daily
Today’s market analysis.
A daily editorial synthesis of physical potato data, crop signals, market reporting, and what participants should watch next.
September 16, 2026Latest MassGain publication
Potato market steady for now; Russia’s smaller crop is the salient risk
Spot prices are flat and USDA terminal reports read ‘market steady,’ but a renewed forecast for a smaller Russian harvest and recent regional harvest stress leave seasonal import timing and storage losses as the key uncertainty.
Signal 02
MassGain Potato Index
Independent physical-pricing intelligence and market-trend analysis for procurement, forecasting, contracting, and scenario planning.
Core Russet Carton Median
312.45 USD/MT
Latest qualifying physical-market observation
+4.75 (+1.55%)
Price discovery for the physical potato market
MPI is designed to track physical pricing data, price trends, deltas, and divergences across regions and potato types.
Series window45 days
Current public coverageCore russet cartons
Primary source basisQualifying USDA physical rows
UnitUSD per metric tonne
Single-day snapshot based on most recent 45 days worth of data. Limited to US Russets only. Get more complete, global data about all varieties by clicking the button below.
Signal 03
MassGain Spot Reference
An independent spot reference designed for price discovery, contract discussions, procurement comparisons, and risk modeling.
Russet Burbank — U.S. Midsize
305 USD/MT
Demonstration reference format
+1.6% WoW · Confidence: High
A trusted benchmark for pricing, contracts, and risk
MSR is intended to use real transactions and verifiable physical-market data to support negotiations, price checks, contracting, and risk models.
ProductRusset Burbank
SpecificationU.S. midsize, 40–70 count
Reference typePhysical spot benchmark
StatusIn development
Based on most recent 45 days worth of data. Limited to US Russets only. Get more complete, global data about all varities by clicking the button below. Full access also includes historical data -- including depreciated NYMEX/CBOE/EEX spot references -- projections, trends, and AI-driven insights.
The MassGain Product Ladder
From insight to intelligence to action
Four integrated products built for the physical potato market, delivered through public pages, reports, exports, dashboards, and API access.
1
Content
Original research, commentary, aggregated news, and market updates.
- What matters right now?
- What is happening out there?
2
UCUI™
Usable Crop Uncertainty Index: an AI-powered signal of crop risk and market uncertainty.
- Understand uncertainty
- Anticipate risk
- Act earlier
3
MPI™
MassGain Potato Index: independent physical-pricing intelligence and trend analysis.
- Price discovery
- Regional trends
- Procurement planning
4
MSR™
MassGain Spot Reference: an independent benchmark for price discovery and risk modeling.
- Contracts
- Negotiations
- Risk models
Content + UCUI + MPI + MSR + API access
Get historical series, regional detail, constituent data, exports, alerts, and direct data access.
Overview
Who is this for?
This page is for procurement and market-intelligence teams benchmarking potato second growth defect rate. MassGain structures inspection results for knobs, bottlenecks, dumbbell shapes, and other secondary growth expressions by region, variety, field, lot, size, crop condition, and sample method.
It connects incidence with irregular shape, peeling and cutting loss, packout, fry or slice recovery, appearance, and contract deductions. Buyers can compare lots on expected usable value rather than defect percentage alone, while suppliers can identify which outlets can absorb affected potatoes. Procurement can determine whether a regional weather event is tightening straight, uniform supply, operations can plan product allocation, and finance can value downgrade or recovery loss.
The suite also accounts for severity because mild shape variation and extreme deformation have different economic effects. MassGain does not diagnose agronomic causes or certify grade. It provides a transparent quality-adjusted pricing framework for second-growth exposure.
Use Case
A fry processor evaluates lots after a season of uneven moisture. MassGain separates mild and severe second growth, models cut recovery and product mix, and shows that one lot remains economical for wedges but not long fries. Procurement applies a targeted discount instead of rejecting all affected supply.
FAQs
What is second growth?
It is renewed or uneven tuber growth that creates knobs, bottlenecks, or irregular shapes.
Why does severity matter?
More extreme deformation creates greater trim, cut loss, and finished-product limitation.
How does MassGain benchmark the defect?
It converts incidence and severity into expected packout, processing recovery, downgrade, and price impact.
Put this market intelligence to work
Get historical data, regional detail, benchmarks, alerts, exports, and API access tailored to your procurement
and market-analysis needs.
Data and Methodology
Professional market-data standards
MassGain is building transparent public market infrastructure. Each live metric will identify its date, unit, coverage, methodology, and source basis.
Data provenance
MassGain uses public, licensed, contributed, and independently derived physical-market information. Source availability and publication schedules vary.
Timing and revisions
Figures may reflect the latest available observation rather than a same-day transaction. Source data and MassGain calculations may be corrected, restated, or revised.
Not transactional pricing
MassGain figures are informational reference values and do not constitute executable bids, offers, settlements, or guarantees that a transaction can occur at the displayed value.
No individualized advice
Content and data are provided for informational and analytical purposes and do not constitute financial, investment, legal, trading, or individualized procurement advice.
Independent publication
Certain observations may be derived from USDA reports. MassGain is independent and is not affiliated with or endorsed by the USDA.
Commercial use and licensing
Public display does not grant rights to reproduce, redistribute, republish, or incorporate MassGain indices or references into commercial products or contracts without authorization.