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Pierce's Disease
Research Updates

piercesdisease.cdfa.ca.gov

What is Pierce's Disease?

Pierce's Disease is a bacterial infection, which is spread by bugs that feed on grapevines, particularly the "glassy winged sharpshooter." Grapevines that become infected with PD can quickly become sick and die.

glassy-winged sharpshooter

Establishment of pre-harvest interval for cyprodinil in grape

  • Author(s): Kim, Jeong-Han; Kim, Yong; Lee, Ho; Lee, Youn-Hyung; Moon, Joon-Kwan;
  • Abstract: Grape was treated with cyprodinil to establish pre-harvest interval. Residue on grape was analyzed by GC/NPD with 0.04ng of LOD. Recovery were 102.8-110.6% and storage stability was 111.4%. The residue levels of cyprodinil in the field grape samples were 3.81-6.78 mg2 cntdot kg-1. PHI of cyprodinil for grape was suggested to be 30 days with dual treatment.
  • Publication Date: Dec 2003
  • Journal: Agricultural Chemistry And Biotechnology

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