ANAHEIM, Calif., March 28 — Development of a new natural line of defense for crops against deadly parasitic weeds with the help of a lowly fly will highlight a two-day pest management symposium at the 227 th national meeting of the American Chemical Society, the world's largest scientific society.
"Natural Products for Pest Management" begins at 8:30 a.m. on Sunday, March 28, at the Hilton Anaheim, Pacific Ballroom B. Following are some of the topics to be covered: