Current UCUI
68/100
Moderate-High Uncertainty
+4 points from prior reading
Potato Market Intelligence
Potato Leafroll Virus Testing
Potato leafroll virus testing provides evidence on a lot's health and resulting eligibility under the applicable program. Seed buyers can connect the result with generation, clean inventory, multiplication plans, delivered replacement cost, and processor acreage to understand both immediate and future exposure.
Market Data
How to read this market
Potato leafroll virus testing assesses seed or plant material for leafroll virus under applicable diagnostic and certification procedures. The object should identify variety, lot, generation, origin, test or inspection method, infection status, tolerance, and resulting eligibility.
Use results with certified seed supply, multiplication plans, booking pace, delivered cost, and processor acreage. Leafroll pressure can reduce future seed availability across more than one crop cycle when clean replacement material is scarce.
Data Module
Potato Leafroll Virus Testing
ObjectLeafroll virus status of seed material
FieldsLot, variety, generation, origin, result
Commercial useSeed replacement and acreage planning
ComparisonClean supply and alternate varieties
RiskMulti-generation seed-pipeline disruption
WatchpointGross seed acreage can overstate eligible supply
Analysis
Why this matters
Leafroll testing matters because the damage to market supply can extend beyond the current lot. Multiplication plans may need to reset, increasing demand for cleaner earlier-generation seed.
Commercial interpretation should therefore assess the pipeline, not just the immediate rejected tonnes. A concentrated clean-seed source can turn a localized finding into a multi-season sourcing issue.
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 teams, commercial producers, processors, and risk managers that need to understand potato leafroll virus testing. Potato leafroll virus can reduce crop performance, affect tuber quality, and compromise the value of seed lots, with consequences that depend on variety, infection level, generation, and certification rules. Testing may involve approved laboratory methods, field observations, or post-harvest procedures. MassGain helps users connect the confirmed health status of seed with future availability and production risk.
Leafroll findings can reduce the certified pool for a specific region or variety and may alter multiplication plans for several seasons. A headline showing ample seed acreage may therefore overstate the clean, eligible volume that buyers can actually plant. MassGain combines testing developments with regional lot availability, class and generation, booking pace, processor demand, alternative varieties, and delivered seed cost. Growers can reserve replacements and adjust acreage, processors can assess whether contracted volume remains achievable, and lenders can understand the likely effect on yield and repayment assumptions. MassGain does not diagnose disease or determine whether a lot meets certification requirements. It supplies the market and supply-chain intelligence needed to distinguish an isolated health issue from a broader seed constraint and to act while viable alternatives remain.
Use Case
Leafroll testing downgrades seed intended for a processor's expansion program. MassGain shows replacement supply exists in another region, but only for part of the required acreage and at a meaningful freight premium. The processor protects core contracts, reduces speculative expansion acres, and preserves a compatible alternative variety for the remaining program.
FAQs
What does potato leafroll virus testing evaluate?
It evaluates seed or plant material for leafroll virus under applicable diagnostic and certification procedures.
Can leafroll affect more than one crop year?
Yes. Reduced clean seed and altered multiplication plans can affect later generations and future acreage.
How does MassGain support leafroll-risk planning?
It links test outcomes with seed classes, varieties, availability, booking, prices, acreage, and processor demand.
Put this market intelligence to work
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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.