Issue Date: October 12, 2015
Parasitic Plant Has Flexible Detection Strategy For Finding Its Dinner
Purple witchweed is a nefarious predator in Africa. Each year the parasitic plant devours billions of dollars’ worth of rice, sorghum, millet, and sugarcane crops by sniffing out chemicals released into the soil by the unsuspecting crops. These chemicals—a family of diverse hormones called strigolactones—are produced by many plants to recruit symbiotic root fungi. The strigolactones also activate germination of purple witchweed seeds, and the resulting parasitic seedlings rob their prey of nutrients. Researchers have . . .
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- Chemical & Engineering News
- ISSN 0009-2347
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