Abstract
Downy mildew of sunflower caused by Plasmopara halstedii (Farl.) Berl. et de Toni is one of the most destructive diseases of this host worldwide. The pathogen can be effectively controlled by using resistant plant cultivars and seed dressing. Recently, however, protection against the sunflower downy mildew has been affected by several factors. One of these is the high variability of P. halstedii. Nowadays, fourteen different pathotypes (races) are known all over the world (Gulya et al., 1996) and at least six of these exist in Hungary (Kormány and Virányi, 1997; Komjáti et al., this volume). Tolerance (resistance) of the pathogen to the fungicide metalaxyl is another problem, with which the plant growers and breeders have to cope (Albourie et al., 1998).
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© 2004 Springer Science+Business Media Dordrecht
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Bán, R., Virányi, F., Komjáti, H. (2004). Benzothiadiazole-Induced Resistance to Plasmopara Halstedii (Farl.) Berl. et de Toni in Sunflower. In: Spencer-Phillips, P., Jeger, M. (eds) Advances in Downy Mildew Research — Volume 2. Developments in Plant Pathology, vol 16. Springer, Dordrecht. https://doi.org/10.1007/978-1-4020-2658-4_18
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DOI: https://doi.org/10.1007/978-1-4020-2658-4_18
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