Polyphagous Shot Hole Borer and Avocados

...noticed in 2003 here in Southern California, the PSHB seems to damage some trees more than others. Concerned about losing my avocado tree I wrote Akif Eskalen, a plant pathologist at the University of California, Riverside. Dr/ Eskalen’s lab has done a lot of work on the PSHB and what to do about it. I asked him specifically about avocados and here’s what he had to say in an email, My lab has been conducting a continuous survey on PSHB on infested...

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Fruit Tree Maintenance Calendars

...we live, it’s the time of year to prune and deal with pest issues on fruit trees. The University of California has a very helpful page of fruit tree maintenance calendars for us backyard orchard enthusiasts. The calendars cover everything from when to water, fertilize, paint the trunks and many other tasks. You can also find them in one big handy set of charts in UC’s book The Home Orchard. The permaculturalist in me likes our low-maintenance pome...

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Olive Curing Update

...when the silvery underside of the leaves shimmer in a light breeze. Olive trees have deep symbolic associations in ancient Mediterranean cultures and the tree has an average lifespan of 500 years. There are a few trees, over 2,000 years old, that still produce fruit. If you live in the U.S. but not in a climate that supports olives, consider buying domestic olive oil and cured olives. Especially with olive oil, a lot of the imported stuff is adul...

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The Prints of Frances Gearhart

...Honor gift shop. Methinks we could all benefit from having more images of trees and mountains in our lives in addition to surrounding ourselves with, well, real trees and mountains. Museums should also include more work by women artists who make up just 2% of the world art market. If you’d like to see more of Gearhart’s work check out francesgearhart.com. The Minneapolis Institute of Art has an exhibition open through March that includes some of...

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Los Angeles: A New Beginning

....” “Maybe that’s why we need ttttttt . . . trrrrrrr . . . trrreeeees . . . trees,” replied the mayor. “What’s a tree?” asked Lauren. “I think it’s some kind of self growing thing that makes oxygen and shade,” replied the mayor. “Won’t they block the solar panels?” asked Lauren. “Ba, ba, bu, buuuuuu . . . bus,” said the mayor. “Huh? Mr. Mayor are you okay?” said Lauren. “It’s . . . it’s like a car but carries over 100 people,” said the mayor. “We’l...

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