About 20% of Africa's sorghum crop is lost due to witchweed (Striga hermonthica), a parasitic plant that steals nutrients and water by latching onto the plant's roots. In the new study ...

Striga is a purple-flowered plant which clings to the roots of maize and other staple crops, draining them of essential nutrients and water UK could face Trump VAT tariff hit; pound hits 2025 high ...