Gardeners creating poisonous "superweed," scientists warn

Mowing a weed just makes it stronger, according to a study published in Nature's Scientific Reports, and the consequences can be severe for the agricultural industry. The mowing of Solanum elaeagnifolium strengthens its defenses, potentially creating a "superweed." The weed, also known as silverleaf nightshade, poses a significant threat to agriculture by absorbing nutrients intended for cash crops. It is identifiable by its purple, sometimes white or light, flowers, prickly spines, and poisonous berries, and can be found from south Texas to South Africa and Greece. Rupesh Kariyat, an associate...