It Depends on How You Define “Immune System”
Plants get sick. That is, they can be infected by pathogens.
But after hundreds of millions of years of pathogen attacks, plants are still here. So, they must have ways to get well after being sick.
Plants can defend themselves against disease-causing organisms (pathogens) such as viruses, bacteria, [...]
Archive for the ‘Plant Signaling’ Category
Do Plants Have an Immune System?
Posted in Plant Signaling, Plant Stress, Secondary Compounds, tagged botany, Nature, plants, science on April 23, 2009 | Leave a Comment »
Nervous Plants? (Part 2)
Posted in Plant Signaling, tagged botany, Darwin, Nature, plants, science on March 14, 2009 | Leave a Comment »
Electrical Signals in Plants?
Do plants have a nervous system?
Most scientists would certainly say: NO! (At least not the complex nervous system of animals.)
But scientists have been able to detect transient electrical signals somewhat analogous to action potentials under certain situations in plants.
Such situations involve the classic examples of thigmosnasty in plants, namely, the [...]
Nervous Plants?
Posted in Plant Signaling, tagged botany, plants, science on March 10, 2009 | Leave a Comment »
Do Plants Have a Nervous System?
Back in the heady (hazy?) days of the early 1970’s, a book was making the rounds on college campuses that suggested plants possessed a sort of sentience.
This book was The Secret Life of Plants.
The professor teaching my Introductory Botany class at the time loathed this book. He actually [...]
