Washdown Guidelines for Weed and Disease Control - Edition 1These guidelines establish a standard for washdown and provide a guide to prescribing its application where codes of practice or other environmental management plans are not in place.
We all have a responsibility not to spread weeds and disease when visiting or working on private or Crown land. In some cases this may be a legal requirement or as detailed in a Weed Management Plan. In other cases, industries may have standard operating procedures or codes of practice governing washdown requirements for weed and disease control.
Weed seed, some insects and plant pathogens may travel almost sight unseen in mud or lodged in nooks and crannies on machinery, vehicles and other equipment. It is easy to overlook the risk of carrying weeds and diseases; the consequences, however, are not so subtle. Failure to washdown can result in crop losses or permanent environmental damage, often incurring substantial cost to the landowner or manager. For example, crop-destroying diseases such as onion white rot and club root may be spread in soil adhering to farm machinery, while in the bush, the introduction of Phytophthora root rot may reduce the biodiversity of heathlands and potentially lead to the extinction of some plants.
Flora Protection Officer, Nature Conservation Branch
134 Macquarie Street, Hobart
Phone: 03 6233 3912
Fax: 03 6233 3477
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