Ppt Biological Control Principles Powerpoint Presentation Free 1. inundation • mass rear and release natural enemy • overwhelm the pest and provide a remedial, knockdown effect 2. inoculation • release small numbers early in pest cycle • the natural enemy reproduces through a season andkeeps pest numbers low over a longer time — usually over the season. importation biological control. What is biological control?.
Biological Control As a consequence of this dominance, one often gets the impression that the principles of biological control can be understood only after one has undergone a rather high powered course in elec tronic control theory. it often seems to be assumed that it is electronics which must do all the teaching while biology and medicine must do all the. Biological control of plant diseases: an evolutionary and. The three principles establish that (1) only living agents can mediate biological control, (2) biological control always targets a pest, directly or indirectly, and (3) all biocontrol methods can be classified in four main categories depending on whether resident agents are utilized, with or without targeted human intervention (conservation biological control and natural biological control. Bellows, t. s., and t. w. fisher. 1999. handbook of biological control: principles and applications of biological control. san diego, ca: academic press. this comprehensive treatment of biological control has forty one chapters by some of the then biggest names in the field. it covers the whole discipline, from theory to practice and applications.
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