Research Branch

See below to download.

Sanitation of Styroblocks to Control Algae and Seedling Root Rot Fungi

Author(s) or contact(s): M.J. Peterson
Source: Research Branch
Subject: Seedling Production
Series: FRDA Report
Other details:  Published 1990. Hardcopy is available.


In British Columbia, over 95 percent of all reforestation seedlings are grown in styrofoam containers (styroblocks). Repeated use of styroblocks, however, promotes the development of algae and root rot fungi which results in significant seedling losses every year. To address this problem, over 100 methods of sanitizing recycled styroblocks were examined and, based on these findings, recommendations for operational use were developed.

FRDA Research Report 140 (1577 KB)

To view this document you need the current version of
Adobe Acrobat Reader, available free from the Adobe Web Site.

Updated July 24, 2015