Titlebook: Biopesticides; Use and Delivery Franklin R. Hall,Julius J. Menn Book 1999 Humana Press 1999

礦石

Cocker

Laser Spectroscopy of Collision Processes,auveria bassiana, caused an infectious disease in the silkworm. However, it was not until some 40 yr later that the first attempts were made to use insect pathogens to control pest populations, when Metchnikoff in Russia experimented with . for control of a beetle attacking wheat. Large scale attemp

Override

Laser Spectroscopy in Molecular Beams,ntrol agents (BCAs) may offer more environmentally friendly alternatives to chemical pesticides. They could also be used where pests have developed resistance to con ventional pesticides. Unfortunately, there is comparatively little investment in the research and development of these organisms compa

即席

Time-Resolved Laser Spectroscopy,sticides are no different from chemical pesticides, but blopestlcides are all far removed from them. Botanical pesticides derived from tobacco (.), pyrethrum (.), derrls roots, neem, and so on, have been known for many decades, but occupy only a very small fraction of the overall pesticide market, w

友好關(guān)系

hurricane

K. M. Evenson,F. R. Petersen,J. S. Wells before germination or seedling rot after germination, resulting in billions of dollars in cumulative crop losses. These diseases are often termed preand postemergence damping-off, or seedling blights Greenhouse crops grown in soilless cultures, as well as field crops, are susceptible to soilborne f

BUCK

auxiliary

一瞥

Culpable