The bacterial pathogen Xanthomonas citri, which causes canker disease in citrus trees, activates selected parts of the fruit ...

It is quick-growing and easily spread by wind, water, and birds. It is difficult to clear out easily – it grows back on its ...

But scientists in 1780-1800 devised elegant experiments demonstrating that plant tissues (leaves, roots, and flowers) are ...

Since the early 2000s, the emerald ash borer has been a thorn in homeowners’ sides—or anyone with trees in their yard. These invasive insect pests cause oft-catastrophic damage to ash trees, and ...