Sugar exudates on a cut infected Hass limb from Hacienda Heights |
Fungal infection of the same Hass avocado branch after bark is removed |
Trap with Manuka oil lure provided by APHIS | ||
Symptomatic Hass tree from Hacienda Heights | Infected Hass avocado limb with some regrowth at the Huntington Gardens | CAS germplasm collection at Hunington Gardens | ||
Common symptoms on Hass trunk | Evidence of fungal infection on Duke 7 rootstock | Base and roots of dead English Oak at the Huntington Gardens | ||
Heavily affected English oak adjacent to the Huntington library | Base of Castor bean plant with large number of beetles in South Gate | Broken Hass limb showing many exit holes | ||
Black female and brown male E. fornicatus | E. fornicatus female by Dr. Gevork Arakelian | Species: Quercus robur Common name: English Oak Family: Fagaceae Region of Origin: Europe Location in Garden: Library Notes: Deciduous, unlike the California Live Oak that has leaves year-round. Bare for a very short period of time. http://www.huntingtonbotanical.org/WhatsInBloom/jan06/jan06.html |
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http://www.journeyofenlightenment.com/Travel/LA-2010/11136349_ZQ8wTL#!i=780564372&k=kyU2L |
Huntington_Oak_20110116.jpg English Oak Main Lawn Huntington Gardens January 16, 2011 |
http://www.amoeba.com/dynamic-images/blog/Eric_B/Huntington_Library_Art_Collections_and_Botanical_Gardens-San_Marino_CA-USA.jpeg
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