Sacramento Valley Olive Dayceglenn.ucdavis.edu/files/44586.pdf · 2008-06-27 · 2 Hours Continuing...
Transcript of Sacramento Valley Olive Dayceglenn.ucdavis.edu/files/44586.pdf · 2008-06-27 · 2 Hours Continuing...
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Sacramento Valley Olive DayDoug Compton
Tehama County Ag Dept(530) 527-4504
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2 Hours Continuing Ed
State-issued licenses: sign attendance sheet and return completed Continuing Ed Check Out Form (1/2 sheet).
Private Applicators-sign attendance Sheet, get a receipt for attending class if you’re from another county.
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Permits
Call for appointment
Private Applicator-I through Q last name expired 12/31/07. You need two hours Continuing Ed per year to renew or you can take the test
Private Applicator card is needed to use or supervise use of restricted material (CA, US, GWP) and be qualified to train employees
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Agenda
2007 Review
2008 Respirator Regulations
Olive Psyllid
Olive Scorch
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2007 Review
Cotton Planting
Phenoxy Restrictions
Spinosad Use
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Pesticide Use Reports
In Tehama County, you may use our web-based system to file reports and NOI’s
No cost if you have internet service
Go To:www.rmmsweb.com/counties/tehama
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Respirator Regulation
Went into effect 1/1/08
Applies to Employees using approved respirators
Voluntary use
Required use
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Voluntary Respirator Use
If use is NOT required by label, permit or employer
Filtering face-piece (‘Paper’ Dust Mask) – Voluntary Respirator Use Posting
Tight fitting Mask (Rubber Cartridge Respirator, etc.)-Full respirator program
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Required Respirator Use
Written ProgramMedical evaluationFit testingProgram review
Web site for more information:http://www.cdpr.ca.gov/docs/whs/ind_hygiene_resp_prot.htm
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Olive Psyllid
First detected in early 2007Survey found them widespread in South Coastal CaliforniaFound in Mediterranean, Middle East to IranMovement most likely by nursery stock, fresh fruit
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Damage: Infested trees are contaminated with masses of wax and sticky honeydew (upon which sooty molds develop) produced by larvae. Feeding may cause flowers to drop prematurely. Large populations are able to retard the growth of young trees.
Field ID: Adults (about 2-2.5mm) pale green to tan color suffused with light brown. Forewings are marked with few well-defined black spots. Jump readily when disturbed.
Larvae: Light green to light brown. Flat body covered with large quantities of white wax. Passthrough five instars.
Olive Psyllid (Euphyllura olivina)
Distribution: Olive growing regions from Western Europe to Iran. In the U.S.: CA.
Hosts: Olive
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Larvae (with wax removed)
Adults & larvae
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E. olivina infestation on olive trees
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Olive Leaf Scorch
Bacterium - Xylella fastidiosa - same species (different strain) that causes Pierce’s Disease in Grapes and Almond Leaf Scorch
So far detected in olives in Southern Coastal California
Causes leaf yellowing, margin burn leading to branch dieback and death of tree
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Olive Leaf Scorch
Visual symptoms similar to Oleander leaf scorch-on UCANR website under olive pest managementVectored by insects, especially sharpshootersGlassy-wing sharpshooter quarantine helps spread of host material and vector from infested area
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Olive Education Grant
USDA grant administered through CDFA for specialty crop research and education
$10,000 grant for bilingual education of olive fruit fly management in Butte, Glenn and Tehama County
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Thank You!!
Olive Psyllid Photos courtesy of G. Arakelian, Los Angeles County Ag Dept
When in doubt, call your chemical dealer or your local County Ag Dept-Tehama County 527-4504, Glenn County 934-6501, Butte County 538-7381, Shasta County 224-4949.
Don’t forget to sign attendance record.