tailieunhanh - Novel control of lettuce downy mildew and anthracnose

Fertiliser applications should be based on soil analysis. Overfertilisation with nitrogen may result in increased susceptibility of the crop to various diseases or disorders. Generally, a 2:3:4 (30) fertiliser mixture at a rate of 500 to 1 000 kg/ha can be applied, depending on soil fertility. A side dressing of 150 to 250 kg LAN per hectare can then be applied at four weeks. Lettuce also responds well to organic fertilisers. | s Á R D I SOLTI IAV5TR Al JAN RESEARCH AND DEVELOPMENT INSTTriHE Novel control of lettuce downy mildew and anthracnose Belinda Rawnsley Lee Bartlett and Barbara Hall South Australian Research and Development Institute SARDI Waite Research Precinct Adelaide South Australia IE9 HE University F Queensland Government of South .