University of California

The ‘Achilles heel’ of pistachio fruit


Themis J. Michailides

Author Affiliations

Themis J. Michailides is Assistant Research Plant Pathologist, Department of Plant Pathology, University of California, Berkeley, located at the Kearney Agricultural Center, Parlier.

Publication Information

Hilgardia 43(5):10-11. DOI:10.3733/ca.v043n05p10. September 1989.

PDF of full article, Cite this article


A small area at the stem end of the pistachio fruit, which hardens later than the rest of the tissues, is susceptible to puncturing by several insects during the growing season. Studies found that 60% to 74% of the kernel damage symptoms were at the stem end and along the suture areas.

Michailides T. 1989. The ‘Achilles heel’ of pistachio fruit. Hilgardia 43(5):10-11. DOI:10.3733/ca.v043n05p10
Webmaster Email: wsuckow@ucanr.edu