Black Root rot (Thielaviopsis basicola) BRR is a major threat to cotton production in southern and central NSW. It has a wide host range of more than 230 species of plants (Pereg 2013).

The Lachlan and Murrumbidgee Cotton Growing Association (LM CGA) is one of a number of CGA organisation's formed throughout cotton growing areas in Australia by local growers and sponsored by Cotton Australia wit