Xiaohua Yang is currently a post-doc research fellow at Cornell University, Department of Horticulture. This is also where she obtained her Ph.D. Her current research is focused on how different factors such as crop load, nitrogen level and canopy position affect the metabolism of apple trees and ultimately fruit quality. Her previous research topics include plant architecture, plant hormones and increasing salt tolerance of rice through genetic engineering. Xiaohua is also interested in the interface of agriculture and business as well as communicating complex scientific ideas to the general public.
Xiaohua Yang, Ph.D.
From this Expert
Q: Have GMO crops been modified in order that the plants are resistant to poisonous pesticides being sprayed on them? And how exactly is this resistance bred?
Posted On: Tuesday, 6/03/2014 4:38 pm
Answered By: Xiaohua Yang, Ph.D., Postdoctoral Research Fellow, Department of Horticulture, Cornell University, Thursday, 8/21/2014 8:19 pm
A: Thank you very much for your question. I assume your use of the word “pesticide” is in its most common sense, which means it can be any type of plant-protection product that shields plants from damaging influences from weeds, pathogens or insects. Thus, for crops the term “pesticide” generally comprises three types of products: herbicide to control weeds, insecticides to control insects and fungicide to control plant diseases. “GMO” is short for “genetically modified organism,” so I... Continue Reading
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