(EMAILWIRE.COM, July 29, 2015 ) Pyrethrins are one of the oldest known insecticides and are derived from dried and crushed flower heads of two species of asters: Chrysanthemum cinerariifolium and C. coccineum. High variance in the availability of pyrethrins limited their usage and encouraged the…
http://www.emailwire.com/release/193823-Pyrethroids-Market-Worldwide-by-Type-Pest-Crop-and-Geography-Anaylzed-in-2015-Report.html