Assertion: phosphine | /r/HasAspect | inhibitory effect
Facets:
value: on insect respiration
type: TRANSITIVE-OBJECT
Source sentences:
text: Phosphine has an inhibitory effect on insect respiration and is unique in that it is only toxic to insects in the presence of oxygen - in the absence of oxygen it is not absorbed and is not toxic to insects (Bond et al 1967, 1969).