Current UCUI
68/100
Moderate-High Uncertainty
+4 points from prior reading
Potato Market Intelligence
Seed Potato Virus Testing
Seed potato virus testing evaluates lots under approved diagnostic and sampling rules for the relevant certification program. Growers and processors can translate results into commercial risk by tracking variety, generation, clean inventory, booking pace, and alternate seed sources.
Market Data
How to read this market
Seed potato virus testing uses approved diagnostic methods to identify viruses that can affect yield, quality, certification class, and future multiplication. The market object should identify virus, lot, variety, generation, sampling method, jurisdiction, test date, result, and permitted status.
Use testing outcomes with certified acreage, seed inventories, booking pace, processor contracts, prices, and alternate origins. Positive findings can reduce eligible supply even when gross seed tonnage remains ample.
Data Module
Seed Potato Virus Testing
ObjectDiagnostic virus status of seed material
FieldsVirus, lot, variety, generation, method, result
Commercial useSeed sourcing and crop-risk planning
ComparisonCertified supply and alternate origins
RiskDowngrade, restriction, shorter multiplication life
WatchpointClean seed is variety- and generation-specific
Analysis
Why this matters
Virus testing matters because seed health compounds through multiplication cycles. A problem in early material can constrain several future generations, while an isolated later-generation lot may have a narrower effect.
The market interpretation should therefore include lineage and substitutability. Total seed volume is a poor proxy when the affected variety or generation has few clean alternatives.
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 seed growers, certification managers, commercial producers, processors, and procurement teams that need to understand seed potato virus testing. Virus testing uses laboratory or approved diagnostic methods to identify infections that can reduce yield, seed quality, certification class, and future marketable production. The relevant viruses, sampling rules, thresholds, and approved methods vary by jurisdiction and program. MassGain helps users translate confirmed or suspected virus pressure into seed-market and production implications.
Virus results matter commercially because clean seed is not infinitely substitutable. A positive result may downgrade a lot, restrict movement, reduce the number of multiplication years available, or tighten supply of a specific variety and generation. MassGain connects testing developments with regional certified acreage, lot availability, booking pace, variety demand, processor contracts, and historical seed premiums. Growers can compare replacement options, processors can assess whether contracted acres remain supportable, and lenders can identify production plans exposed to a narrow seed source. The platform also helps distinguish a local testing event from broader regional disease pressure that could affect multiple suppliers. MassGain does not diagnose plants or certify lots. It provides the independent market context needed to understand how testing outcomes may change supply, price, timing, and the resilience of the next commercial potato crop.
Use Case
A grower group's seed testing finds elevated virus incidence in one generation of a processing variety. MassGain shows later-generation substitutes are available but would shorten the multiplication plan and raise future replacement needs. The group secures clean seed from another region, limits affected lots to approved uses, and updates the processor's acreage-risk forecast.
FAQs
What can seed potato virus testing detect?
It can detect specified viruses under approved sampling and diagnostic methods used by the relevant program.
How can a positive result affect a seed lot?
The lot may be downgraded, rejected, restricted, retested, or assigned to a different permitted use.
How does MassGain add market context?
It connects testing outcomes with certified acreage, varieties, generations, availability, prices, and future crop exposure.
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.