calendula officinalis/nicotine

OBJECTIVE The aim of the study is to assess the efficacy of Calendula officinalis gel as cost-effective treatment modality in comparison to lycopene gel in the treatment of leukoplakia. METHODS The study comprised of sixty patients of clinically diagnosed and histopathologically confirmed cases of

In November 2010, small necrotic spots surrounded by chlorotic halos, which sometimes enlarged and coalesced to form large dead areas, were observed on leaves of marigold (Calendula officinalis L.) plants grown in the Medieval Garden at the Agricultural Faculty of Perugia (central Italy).

Of 70 plant species tested, 50 species were susceptible to Tobacco streak virus (TSV) on sap inoculation. Both localized (necrotic and chlorotic spots) and systemic (necrotic spots, axillary shoot proliferation, stunting, total necrosis and wilt) symptoms are observed by majority of plant species.