Fusarium oxysporum is a major problem of column stocks. Recent trials examining biological and chemical control options have found no reliable way of controlling the disease and most growers still have to rely on soil steaming as the main control measure. However, even plants grown in steamed soil can suffer from severe fusarium wilt problems. Growers have observed obvious varietal differences in terms of disease susceptibility under commercial production conditions, and so this trial was designed to investigate the varietal susceptibility of a wide range of commercially grown varieties of column stocks to assist growers in their management of the problem.
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