Phloem diseases, including the economically devastating citrus greening, are particularly difficult to study because phloem cells -- essential for plant nutrient transport -- are difficult to access ...

IF the stem of a flowering plant is cut across, examination under the microscope reveals the constant presence of three striking tissue systems with their elements extended in a longitudinal direction ...

A tiny region at the root tip has been found to be responsible for orchestrating the growth and development of the complex network of vascular tissues that transport sugars through plant roots. In a ...

To establish productive infection, plant viruses need to be able to efficiently invade and spread within a plant. Most viruses are introduced into a plant via the epidermal or mesophyll cells where ...