Managing Pierce's Disease (2-Tape Session) HerbFest 1998 Afternoon Moderator: Rhonda J

Afternoon Moderator: Rhonda J

ltration - Michael Flessner

0 hr): Mid summer

repertorization and the study of Materia Medica

Managing Pierce's Disease (2-Tape Session) HerbFest 1998 Afternoon Moderator: Rhonda JPierce's disease (PD) has been decimating vineyards throughout the United States for hundreds of years. It continues to kill vineyards from Texas to California and has eliminated the culture of vinifera grapes from the southeastern U. S. The causal bacterium is carried by a group of leafhopper insects that spread it into vineyards from the surrounding vegetation. Efforts to control PD must focus on the bacterium, the insect vectors, alternate host