Plant Metabolism Studies

Plant metabolism studies at Charles River involve the application of the radiolabelled test item (in the proposed commercial formulation) according to the intended use pattern and method. Samples are harvested at intervals between application and maturity to provide intermediate and final analysis points for information on the metabolic pathway and changes in residue levels.

We can establish optimum growing conditions for crop species for which our clients may have a future requirement. This exploratory work ensures the integrity of the definitive study at no extra cost or obligation to the client.

  • Cereals
  • Oilseed species
  • Leafy and fruiting vegetables
  • Root crops and legumes
  • Fruits and grapevine
  • Sugarcane
  • Tobacco
  • Confined crop rotation studies
  • Studies with genetically resistant crops (e.g., maize, rape and soybean)
  • Investigations into degradation during storage and processing
  • Other specialized studies, such as pollen transfer

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5-Batch Analysis

Charles River has been conducting these tests since 1990, carrying out many successful programs involving various pesticide classes, including insecticides, herbicides, fungicides and biocides.

Operator Exposure Studies

At Charles River we can operate both the application site and analytical portions of these studies.

Physicochemical Characterization

We offer a full range of physicochemical testing to meet all regulatory requirements, either as full testing programs or stand-alone tests.