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Cotton Certification Standards

Field certification standards for cotton seed production in Arizona.

Program Information

ItemInformation
Certified CropCotton
Certification ClassesFoundation, Registered, Certified
Application DeadlineJuly 10
Required InspectionsOne official inspection
Unit of CertificationIndividual field

Seed Eligibility

  • Only seed approved by ACIA as eligible for certification may be planted for certified seed production.
  • Seed shall maintain documented varietal identity throughout the certification process.

Land Requirements

  • Fields must satisfy ACIA land history requirements before becoming eligible for certification.
  • Previous cotton production, volunteer cotton, and field isolation are reviewed during application.

Field Inspection

  • One official field inspection is conducted when the earliest bolls are open.
  • The inspection evaluates variety identity, off-type plants, volunteer cotton, other cotton species, isolation, objectionable weeds, and general field condition.
  • Additional inspections may be conducted if necessary.

Isolation Requirements

Isolation FactorFoundationRegisteredCertified
Similar varieties of same species25 ft25 ft25 ft
Same species, dissimilar vegetative characteristics100 ft100 ft100 ft
Different species or substantially different leaf type1,320 ft1,320 ft660 ft
Different lint color5,280 ft with adequate border/buffer; 3 miles without bufferSameSame

Field Standards

Field FactorFoundation / RegisteredCertified
Different species off-types1:45,0001:9,000
Same species off-types1:10,0001:5,000
Plants of differing lint colorNot eligibleNot eligible
Excessive cockleburMay be disapproved or require removalMay be disapproved or require removal

Harvesting and Handling

  • Harvesting, transportation, ginning, conditioning, and storage shall preserve the identity of each certified seed lot.
  • Equipment shall be cleaned before use to prevent mechanical mixtures.
  • Each seed lot shall remain identifiable from harvest through final certification.

Seed Standards

Seed FactorFoundationRegisteredCertified
Pure seed minimum99.00%99.00%99.00%
Inert matter maximum1.00%1.00%1.00%
Noxious weed seedsNoneNoneNone
Other weed seedsNoneNoneNone
Other varieties differing only in vegetative characteristics0.01%0.05%0.08%
Other crop kinds maximumNone0.01%0.04%
Varieties differing in lint colorNoneNoneNone
Germination minimum80%80%80%

Required Forms

Use the crop application first. Submit tag orders, blending reports, or supporting forms only when they apply.