CORRELATIONS BETWEEN SOIL SODICITY AND FOLIAR SYMPTOM OF WOOD DECAY OF KIWIFRUIT

摘要: Wood decay of kiwifruit (Actinidia deliciosa) is a relatively new disease complex etiology. This has gained much attention in recent years because it become widespread kiwifruit-growing areas. Foliar symptoms the are associated with toxins produced by pathogens and develop presumably response to certain environmental physiological factors. Vineyard surveys were conducted over nine main Italian growing- area, investigate potential correlation between soil sodicity occurrence leaf symptoms. Greenhouse trials also carried out evaluate parameters potentially symptoms, as transpiration rate, stomatal conductance, net photosynthesis, water potted vines grown different levels sodicity. In vineyard trials, an increase significantly augmented incidence wood kiwifruit. Higher correlated increased decreased plant tissues, which turn can toxin translocation accumulation leaves.