bioherbicides造句

• His agency is conducting research to develop plant pathogens as " bioherbicides " to control various weeds.
• Bioherbicides are weed-control agents that use such naturally occurring enemies, rather than depending on man-made chemicals.
• Although the university ended the fungus research, Sands said others could easily follow his formula for making fungus-based bioherbicides.
• A biological weed control regiment can consist of biological control agents, bioherbicides, use of grazing animals, and protection of natural predators.
• Bioherbicides may be compounds derived from microbes such as fungi, bacteria or protozoa; or phytotoxic plant residues, extracts or single compounds derived from other plant species.
• These two advantages of biological control agents, including bioherbicides, do not however mean that they need not also be subjected to careful tests for environmental and public health safety.
• A plant pathologist, Sands came to the field of bioherbicides in his search for a way to treat exotic plants from Asia that run rampant through Western range land because they are unchecked by native enemies.