Other data presented showed that various strains of Bt corn had differing rates of toxicity to monarchs, that harmful pollen is often washed off or blown off milkweed leaves, and that 95% of corn ...
the ability to digest milkweed toxins and become poisonous to predators. Making just three genetic changes turned regular fruit flies into “monarch flies,” able to withstand plant toxins and ...
RIO GRANDE CITY, Texas— The U.S. Fish and Wildlife Service today protected the prostrate milkweed as endangered. Only 24 populations of the plant survive, in south Texas and northern Mexico, where ...