Titlebook: Insect Pheromones and their Use in Pest Management; P. E. Howse,I. D. R. Stevens,O. T. Jones Book 1998 P.E. Howse, O.T. Jones and I.D.R. S

Chivalrous

可轉(zhuǎn)變

Mating disruptionemic action, at its most vulnerable stage of development. For most insect pest groups, and especially lepidopteran pests such as bollworms, budworms, leafworms, shoot borers and stem borers, this means the first instar larva. Its low body mass, coupled usually with an exposed position on the foliage

Adornment

COWER

978-0-412-44410-4P.E. Howse, O.T. Jones and I.D.R. Stevens 1998

火花

prodrome

Mass trappingugh removal of a sufficiently high proportion of individuals from the population by trapping. In practice, it is rarely that simple. Several factors make the technique non-viable on a large scale. These include:

精密

廣告

不合

Bioassay methodsThe mere fact that a given chemical compound known to occur in an insect elicits a behavioural response in a conspecific does not prove that it is a semiochemical. For example, if we wish to know whether a given compound is a pheromone, or a component of a pheromone, we must show the following.

FLIT