On the ascent of sap in the presence of bubbles.

The article focuses on the process of ascent of sap in xylem tissue of plant in presence of bubbles. Topics discussed include response of plant toward climate change, cohesion-tension theory of water transport in plant, entering of air bubbles in xylem, increase in vulnerability of xylem for embolism formation due to addition of artificial surfactants, and intriguing property of bubbles which are surfactant coated.