Get ofdc and ecocert certification. Effective ingredient: natural physcion >0.1% Characteristic: highly bioactive plant-derived fungicide; low toxicity and friendly to environment. Target diseases: virus disease, yellow blight, anthracnose, spot blotch, black stem blight . This is our unique product, it has good effect on vegetable virus disease. If you are interesting, please feel free to contact me, jwj2008 at 126 dot com. Thanks, Jane jiang, Beijing kingbo biotech co., ltd