Latest Periwinkle Stories

Sexual conflict is not only a human phenomenon. Scientists at the University of Gothenburg have shown that females of the rough periwinkle conceal their gender identity in order to avoid excessive copulation.The females of most species of snail excrete a substance in their mucous trails that enables males to find them more easily, since they can distinguish between trails from females and those from other males. The males follow the mucous trails laid down by females in order to find a...

A team of scientists from the Agricultural Research Service (ARS) and the University of Florida Indian River Research and Education Center have turned an ornamental plant into a tool for combating a bacterial disease that threatens the world's citrus crop.Periwinkle (Catharanthus roseus) has proved to be an effective screening tool for treatments to control Huanglongbing (HLB), according to Yong-Ping Duan of the ARS U.S. Horticultural Research Laboratory (USHRL) in Fort Pierce, Fla.HLB, also...