Helmut van Emden
About
Helmut van Emden is Emeritus Professor of Horticulture at the University of Reading, UK. He has researched aphids for over 50 years and has wide international experience, including in the tropics.
Author's Books
Helmut van Emden is Emeritus Professor of Horticulture at the University of Reading, UK. He has researched aphids for over 50 years and has wide international experience, including in the tropics.
