[Lapg] Re Clarification: Video on Citrus Greening control in backyards

[John Valenzuela]

I apologize for miss-quoting Harvey Correia, here is his clarification-
JV

John Valenzuela, Chairperson
Golden Gate Chapter, California Rare Fruit Growers
http://www.crfg.org/chapters/golden_gate/index.htm

Cornucopia Food Forest Gardens
John Valenzuela Permaculture Services
Horticulturist, Consultant, Educator
California, Hawai'i phone: (415) 246-8834
e-mail: johnvalenzuela at hotmail dot com
http://cornucopiafoodforest.com/


> Date: Thu, 26 Apr 2012 10:11:54 -0700
> Subject: [recrfg] Re: Video on Citrus Greening control in backyards
> From: harveyc at gmail.com
> To: recrfg at googlegroups.com
> 
> I'd like to make a bit of a clarification about the comments
> attributed to me.  The screening requirement which takes effect
> 1/1/2013 is for trees being maintained for propagation (i.e., mother
> trees for budwood and rootstock seed trees).  I was alerted to this
> information from a letter I received from CDFA dated 4/10/2012.  All
> budwood trees must be tested and declared free of HLB as well as
> Citrus Tresteza Virus, HLB, Psorosis, and citrus viroids.  All seed
> trees will be tested for HLB, Psorosis A&B, Citrus Leaf Leaf Blotch
> Virus and, when housed in structures also containing budwood trees,
> CTV.  Although I have a nursery license, I have never sold citrus
> trees and wonder if they sent me the letter because I have a nursery
> license as well and have also ordered budwood from CCPP in the past.
> In any event, the letter states that anyone who produces any citrus
> propagative material is required to follow the regulations (so no
> sharing of budwood from trees in our yards).  A copy of the
> regulations can be found at http://www.cdfa.ca.gov/plant/regs_cns.html
> 
> I receive several agricultural trade publications and I have read for
> a while that citrus nurseries had been building screen houses.  From
> the link to the regulations, these are not new requirements so it
> appears that I received the letter just to make sure everyone was
> aware of the pending requirements in light of the recent discovery of
> HLB in California.
> 
> In another group someone said they didn't want to get HLB so they were
> no longer going to buy any citrus trees and would only propagate from
> their own stock (which would be illegal from my reading of the CDFA
> letter since their stock is not certified).  I indicated to that group
> that the only way to make sure they would not get HLB is to screen the
> trees in their yard.  But there is no requirement to do that for fruit
> tree purposes.  Nurseries only selling citrus trees and not
> propagating them (i.e., retail nurseries) also do not need to screen/
> test.
> 
> I don't remember if it's been posted to this group or not, but the HLB
> discovery was at a residence where a tree had been grafted from
> scionwood shared among Chinese members of a church.  The grafter
> stated he didn't remember who gave him the wood.  Sounds like some of
> the things I've grafted in the past from various CRFG contacts!  I was
> visiting with a Vietnamese family in Stockton last week and they were
> showing me a special citrus tree that they said they had and they said
> it wasn't growing right.  My imagination starting a scenario similar
> to the one in LA County but the homeowner obviously didn't know
> anything about grafting when questioned and had bought the tree at a
> nursery.  Upon closer examination, it looked a sucker just needed to
> be pruned out and some snails be eliminated. :)
> 
> Harvey
> 
> On Apr 25, 4:14 am, John Valenzuela <johnvalenzu... at hotmail.com>
> wrote:
> > http://www.youtube.com/watch?v=MwpsJqUA3vk
> >
> > A presentation on huanglongbing (HLB, or citrus greening),  given by Dr. Allan Dodds  to the North County San Diego CRFG chapter on April 20, 2012. Dr. Dodds is Professor Emeritus of Plant Pathology,
> > University of California, Riverside, who in this video addresses the
> > recent discovery of HLB in California, and it's global history.
> >
> > Some highlights of the professor's thoughts:
> > HLB is present in California but not known to be established, yet.
> > Florida will continue to take great losses (10-15% per year), and may never recover.
> > Genetic modification of citrus varieties for resistance to HLB is ongoing, but will take years.
> > In the mean time the citrus industry will need to be aggressive, with psyllid control and plant nutrition, but with increased costs.
> > Trees will be intensively planted on 10 year cropping cycle.
> > California's excellent clean stock nursery program will be more heavily regulated, and will need to produce many more trees as replacements are needed.  (Harvey Correia told us that all citrus will be required to be grown under insect screen starting Jan 1, 2013)
> > Backyard trees may be eliminated in commercial citrus growing areas, even though 90% of all citrus in grown in California is from backyards.
> >
> > For more info about the North County San Diego chapter CRFG visit:http://nc.crfgsandiego.org/
> >
> > JV
> >
> > John Valenzuela, Chairperson
> > Golden Gate Chapter, California Rare Fruit Growershttp://www.crfg.org/chapters/golden_gate/index.htm
> >
> > Cornucopia Food Forest Gardens
> > John Valenzuela Permaculture Services
> > Horticulturist, Consultant, Educator
> > phone: (415) 246-8834
> > e-mail: johnvalenzuela at hotmail dot comhttp://cornucopiafoodforest.com/
> 
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