TWO paper by Sir Francis Darwin (Proceedings of the Royal Society, B, vol. Ixxxvii.) mark an important advance in the study of the process of transpiration in plants. Hitherto, although transpiration ...

Dear Jessica: Can you please tell me what these droplike things are on the leaves in the picture? If it’s a disease, how do I treat it? — Marilyn Von Braunsberg, Oceanside Dear Marilyn: Those sticky ...

Proper irrigation is very important for plant health. Too much or too little can both be damaging to plants.

The rainforest in the Amazon basin transpires vast amounts of gaseous isoprene. Until now, it was assumed that this molecule is not transported far up into the atmosphere, as it rapidly declines when ...