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114R483 CIPC in Commercial Stores

Publication Date: 
1 August 2014
Author/Contact :
Adrian Briddon

Contractor :
Sutton Bridge Crop Storage Research (SBCSR)

Full Research Project Title: Full Title Commercial evaluation of storage solutions for enhanced application of CIPC
Duration: September 2013 - August 2015


CIPC has been under stewardship for 5 years. There are on-going concerns that MRL exceedances are still being found, notably in box stores and specifically in stores with overhead-throw style ventilation. The GB industry is seeking solutions to lower the risk of exceedance in such situations. The recently completed project R414 identified some ways in which improvements in the evenness of CIPC application can be achieved using the store ventilation systems. Slow speed recirculation of fog enhances application especially in stores with positive ventilation systems e.g. suction wall stores. However, positive systems are only relevant to a small minority (<2%) of stores. What is required are solutions which will enhance application in non-positively ventilated stores. Additionally new designs of bulk stores have also been introduced to the UK in the recent past and these do not necessarily feature slow speed recirculation. An assessment of their performance is a secondary objective of the project.


Sutton Bridge Crop Storage Research (SBCSR), Greenvale AP Ltd

Aims and Objectives

Aim: To evaluate a range of commercial enhancements to potato stores, including the use of air separators, designed to provide more uniform application of CIPC sprout suppressant.


a) To assess relative performance of sprout suppressant applications made using a range of modifications, including air separators, in association with slow speed recirculation of fog in box stores.

b) To assess relative performance of sprout suppressant applications made using novel bulk storage systems operating with multiple fans.


6 suitable stores will be identified in conjunction with the Potato Industry CIPC Stewardship's Technical Working Group and commence trials in commercial stores using netted samples placed at harvest. Commercial applications of CIPC made following loading will be monitored. Samples will be analysed for sprouting assessment and CIPC residue analysis.


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