Botrytis cinerea is the causal agent of gray mold diseases in a range of dicotyledonous plant species. The fungus can reproduce asexually by forming macroconidia for dispersal and sclerotia for survival; the latter also participate in sexual reproduction by bearing the apothecia after fertilization by microconidia. Light induces the differentiation of conidia and apothecia, while sclerotia are ...

The expansion of rice cultivation in Paraguay observed the last five agricultural seasons, together with new technologies applied, has been accompanied by an increase presence diseases affecting leaf sheaths and stems. In view scarcity information country on some these diseases, this study was carried out to characterise stem rot. Samples symptomatic plants were collected from commercial lots l...