The imported leaf hopper hastens the spread of the bacterium that causes Pierce's disease, which can be deadly to grapevines.
(The imported leaf hopper; hastens; the spread of the bacterium) (the bacterium; causes; Pierce's disease) (Pierce's disease; can be; deadly to grapevines)
The imported leaf hopper the bacterium Pierce's disease
hastens causes can be
the spread of the bacterium
Pierce's disease
deadly to grapevines