Inhibitor activity of different medicinal plants extracts from <i>Thuja orientalis, Nigella sativa</i> L., <i>Azadirachta indica and Bougainvillea spectabilis</i> against <i>Zucchini yellow mosaic virus</i> (ZYMV) infecting <i>Citrullus lanatus</i>
Biotechnology & Biotechnological Equipment