More on this topic to be posted soon.
Chestnut blight:
Dean and Nina Cornett's film about the impact of chestnut blight on Appalachian forests, history, economy, and culture;
https://www.youtube.com/watch?v=-xgbedXnbfw
A far cry from standard science documentary fare, this film seems akin to someone shooting a "home video" on a mass extinction event-the combination of stunning historic photographs, meticulous research on the numbers, and, above all, the many authentic voices telling the story make you feel part of a family of mourners.
More on using "mud packing" to protect single chestnut trees:
from the Conneticut Ag Experiment Station: http://www.ct.gov/caes/cwp/view.asp?a=2815&q=376826
from PSU's Forest Ecology: http://ecosystems.psu.edu/research/chestnut/breeding/blight/control-blight
Citrus greening:
In this NYT article, Amy Harmon narrates the process that lead a major orange grower to the conclusion that genetic engineering as the only feasible pathway to save orange production in Florida.
More on Asian Citrus Psyllid management options:
IPM guidelines from UC Davis http://www.ipm.ucdavis.edu/PMG/PESTNOTES/pn7423.html
http://www.ipm.ucdavis.edu/PMG/PESTNOTES/pn74155.html
IPM World Textbook: http://ipmworld.umn.edu/chapters/TsaiGreening.htm