Hygromycin B phosphotransferase (APH4) marker protein in all plants; exemption from the requirement of a tolerance.

  1. Law
  2. CFR 40
  3. Protection of Environment
  4. Environmental Protection Agency
  5. Pesticide Programs
  6. Procedures and Requirements for Plant-Incorporated Protectants
  7. Tolerances and Tolerance Exemptions
  8. Hygromycin B phosphotransferase (APH4) marker protein in all plants; exemption from the requirement of a tolerance.

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§ 174.526 Hygromycin B phosphotransferase (APH4) marker protein in all plants; exemption from the requirement of a tolerance.

Residues of the Hygromycin B phosphotransferase (APH4) enzyme in all plants are exempt from the requirement of a tolerance when used as a plant-incorporated protectant inert ingredient in cotton.

[72 FR 20435, Apr. 25, 2007]


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