Rice resistance against Bipolaris oryzae infection is mediated by lower foliar potassium concentration
Leandro C. Silva,
Andersom M. Einhardt,
Verônica V. Brás
et al.
Abstract:Brown spot, caused by Bipolaris oryzae, is a very important disease of rice. This study investigated the effect of potassium (K) on rice resistance to brown spot. The working hypothesis tested was that higher foliar K concentration could allow plants to respond more efficiently against fungal infection. Plants were grown in nutrient solution amended with three K rates (0.5, 1.0 and 2.5 mM) and noninoculated or inoculated with B. oryzae. The photosynthetic performance of plants, activities of defence and antiox… Show more
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