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Laboratory Report

Articles: Laboratory Report

Root Rot Relief for Avocados

One of the most serious diseases of avocado trees worldwide is root rot caused by a fungal-like organism called Phytophthora cinnamomi. Avocado trees in California have suffered from this root disease since the 1920s, although the identity of the causal organism was not known until more than a decade later.  Research at the University of California, Riverside, has been active since the 1950s to find disease-resistant rootstocks on which to graft popular commercial varieties like ‘Haas’. Using advanced knowledge of genetics, the recent development of three root rot-resistant rootstocks at UCR, which vary in preference for different soil environments, offer avocado growers the opportunity to vastly increase avocado yield and quality.  The new rootstocks ‘Zentmyer’, ‘Steddom’ and ‘Uzi’, are named after contributing scientists.

UCR Today, April 2012


A Hydrangea for Health and Beauty

Chang Shan, the Chinese name of a root extract from a hydrangea native to Tibet and Nepal, has been used for more than 2,000 years in the treatment of malaria. Recent studies at Harvard University suggest a compound found in the extract, halofuginone, bloc...


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