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Revised UK requirements addressing the storage of treated seed

HSE Chemical Regulation Directorate (CRD) will no longer require an assessment of the retention of active substances during storage of treated seed.

New UK Requirements

Following consultation with other Member States, it is apparent that retention of active substances during storage of treated seed is not widely considered.  HSE has decided to adopt a more harmonised regulatory appraisal, which will no longer automatically consider this aspect.  There will be no requirement to submit data (seed loading studies or effectiveness trials) using stored treated seed; and no restriction in the absence of data. Instead, all seed treatments will carry the following precautionary general statement:

‘Sowing treated seed that has been stored for prolonged periods (beyond the season of treatment) may adversely affect effectiveness and/or crop safety’

This revised system does not preclude companies from choosing to support a specific label claim concerning the period of time treated seed may be stored before sowing. In such instances, data should be generated as described in Guideline 208, with the storage period in any studies reflecting the length of time proposed on the label.

The implementation date for this revised system will be 1st November 2014.

For further information on registration of plant protection products, or any other regulatory issues, please contact JSC on +44 (0)1423 520245,

Published 4th September 2014
Categories Agrochemicals, News
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