relation: https://orgprints.org/id/eprint/13648/ title: Evaluation of the users value of salts against apple scab and powdery mildew for fruit production creator: Creemers, P. creator: Van Laer, S. creator: Van Mechelen, A. creator: Vorstermans, B. creator: Hauke, K. subject: Crop health, quality, protection subject: Fruit and berries description: The research was aimed at finding anti resistance strategies for Integrated fruit growing. As the salts tested may be approvable for organic farming, the trial results are also of value for the development of scab an mildew control strategies for organic fruit growing. As new fungicides are mainly unisite action fungicides, the problem of fungicide resistance development is becoming more important every year. Combining chemical fungicides, which is the best anti-resistance strategy, is not always possible or recommended in the case when the number of available chemical fungicides are limited or a reduction in fungicide use is asked for. Therefore the use of salts as an anti-resistance strategy was looked upon. The salts evaluated were K(HCO3), KH2PO3, KHPO4 and K2SiO3. When using these salts as an anti-resistance strategy the efficacy obtained when spraying the compounds alone was often to low to be used in rotation with chemical fungicides. Only with K(HCO3)2 a good efficacy can be observed in some years. The variation in efficacy with K(HCO3)2 observed is higher for powdery mildew. K(HCO3)2 can be considered as a ideal product for scab control in organic orchards at moments of low infection risk. contributor: Boos, Markus date: 2008 type: Conference paper, poster, etc. type: NonPeerReviewed format: application/pdf language: de identifier: /id/eprint/13648/1/076-081.pdf identifier: Creemers, P.; Van Laer, S.; Van Mechelen, A.; Vorstermans, B. and Hauke, K. (2008) Evaluation of the users value of salts against apple scab and powdery mildew for fruit production. In: Boos, Markus (Ed.) Ecofruit - 13th International Conference on Cultivation Technique and Phytopathological Problems in Organic Fruit-Growing: Proceedings to the Conference from 18thFebruary to 20th February 2008 at Weinsberg/Germany, pp. 76-81.