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Messages - Scott_6B

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1
Citrus General Discussion / Re: Citrus & Temperatures
« on: July 10, 2014, 02:52:05 PM »
Very interesting information!  My quats are just starting to produce flower buds with the current growth flush.  So far this season we have only had 13 days with highs above 80F (scattered across June and July) and only one of those was greater than 85F.  I wonder what is the minimum duration of 80+ deg weather that is required for flower bud growth?  I know only a few days of temperatures in the 70's is necessary for citrus to break out of winter dormancy...

2
Thanks for the update. Looks like it got knocked back pretty hard but at least it is recovering rapidly.... I see this as a solid result for your area, with any luck it'll be 10-15 years before another similarly harsh winter. Unfortunately, however, I doubt this tree would do well without winter protection up here. Winter lows in the 0-5F range are pretty typical for me.

3
That's a bit surprising.  I didn't think the harbor in Gloucester could accommodate larger trans-oceanic ships. 


Edit:  Looks like the S.A. citrus are going into Gloucester City, NJ, not Gloucester, MA:

http://www.producenews.com/news-dep-menu/test-featured/13426-south-african-citrus-arrives-at-gloucester-marine-terminal

4
Citrus General Discussion / Re: Citrus Breeding Center Opens
« on: June 26, 2014, 03:26:12 PM »
Cool, I look forward to seeing what they come up with over the next several years.

I would assume the selection of a site that is somewhat removed from commercial citrus growing areas was intentional.  They likely do not want to be near large populations of trees that may/may not be infected with HLB etc...  This is also one of the reasons that Four Winds main nursery is located well outside of the commercial citrus regions in CA.

5
Cold Hardy Citrus / Re: How Cold Can My Citrus Tree Sustain?
« on: June 13, 2014, 08:00:52 AM »
Yes, the temperatures in the weeks before a hard freeze are critical in determining how well the trees will respond.

Here is an excellent article about the relationship between cold acclimation and hardiness of citrus trees using field data from FL. 

http://fshs8813.wpengine.com/proceedings-o/1984-vol-97/33-36%20(YELENOSKY).pdf

Figure 2 in the article is particularly useful as a guideline to determine if your citrus have accumulated a sufficient number of hours of temps below 50F but above freezing to induce full cold hardiness.  For my outdoor trees here in MA (and since I provide minimal heating for them during the winter), it is critical that I know my trees are fully hardened off before allowing them to experience temps in the low 30's F or below. 

Also, there is significant evidence with citrus that even cold acclimated trees will loose a significant portion of their hardiness during subsequent cold spells that occur after the first round of temps in the 20's or below.  In addition to the absolute low temperatures, this is likely one of the primary reasons citrus do not grow well further north where winters last significantly longer (i.e. there is s significant probability of multiple cold snaps per winter) without a good deal of help.


6
I assume you are referring to the New Zealand Lemonade, correct?  As far as I know this  not available in FL.

7
I just noticed Brite Leaf may have the thornless key lime you are looking for...

http://www.briteleaf.com/citrus_trees.asp#DwarfCitrusTrees

8
Citrus General Discussion / Re: walmart and citrus tree's
« on: June 02, 2014, 02:42:37 PM »
Record Buck, Brite Leaf, Harris Citrus, and possibly one or two others are the only nurseries currently licensed to ship out of Florida.  Both Brite Leaf and Harris sell to individuals.

9
Citrus Buy, Sell, & Trade / Re: Where to buy citrus online (USA)
« on: June 02, 2014, 02:36:22 PM »
I did not realize Petals from the Past shipped.  I've added them to the list.

10
Citrus General Discussion / Re: New citrus arrivals
« on: May 30, 2014, 05:21:12 PM »
I also got a Xie Shan this spring from Harris, but I placed the order back in Feb.  I believe there was some discussion on the availability of Xie Shan at Harris over on Gardenweb. So I suppose it isn't surprising that they sold out.

11
Thanks BarbJ

The quality on the cuties is definitely hit or miss.  We also get Spanish clementines in the winter here, but their quality is not really any different.

12
Citrus General Discussion / Re: New citrus arrivals
« on: May 30, 2014, 11:24:08 AM »
If I had to guess I would think that it would not be legal for someone to personally transport trees out of FL even if they were purchased directly from a nursery that is approved for out of state shipment.  There would have to be some way to ensure that the trees were boxed/sealed and were not opened before leaving FL.

13
BarbJ, I would be interested in seeing your cheat sheet for the "cuties".  The fruit quality does seem to vary quite dramatically with them, sometimes from week to week, out here on the east coast.

14
I'd be shocked if the fruit from this tree actually look like the one in the picture.  Nice grafted Sanguinello/Sanguinelli trees can be had for around $20 from well known sellers such as Four Winds (in California):  https://www.fourwindsgrowers.com/store/blood-oranges.html?page=shop.product_details&flypage=flypage.tpl&product_id=34&category_id=7  or Harris Citrus (in Florida):  http://www.harriscitrus.com/store/index.php?cPath=19.  Both can ship out of state to non-quarintine areas.


15
Citrus General Discussion / Re: Gibberillic Acid (GA3)
« on: May 28, 2014, 07:17:46 AM »
I have not tried GA3 for "pollination" before, but it might be worth a try... I'm starting to collect a few varieties that require cross-pollination and may benefit. 

Lotusblos:
GA3, plant growth regulators, and other related items can generally be found on Ebay.  However, I prefer to use Caisson Labs (http://www.caissonlabs.com), it might be a bit more expensive, but at least you know you are receiving the correct compounds.


16
Cold Hardy Citrus / Re: Massachusetts Satsuma
« on: May 21, 2014, 10:19:26 AM »
Bob, with my current arrangement, I should be able to protect it up until it is around 5.5-6ft tall.  After that, I'll have to start a program of selective pruning.  At the rate it is growing, I'd guess I still have 3-4 years before I need to worry about it.

17
Cold Hardy Citrus / Massachusetts Satsuma
« on: May 21, 2014, 07:55:24 AM »
Here's a few pictures of my Early St. Ann satsuma outside in Massachusetts.  It's been in the ground for two winters now.

June 2012, just after planting (It did not take shipping well)


August 2012


October 2013


May 19 2014

No flowers this year, but it did set a good number of fruit for the trees size last year.

This is what it looks like in winter (the snow drift is ~4.5 ft deep)



18
Interesting history, thanks for starting a Cold Hardy thread.

19
Citrus General Discussion / Re: Cold Hardy Citrus
« on: May 12, 2014, 05:49:43 PM »
My Thomasville, which had passive protection this past winter, is starting to flush. Unfortunately it did receive some damage to the trunk (split bark) because I accidentally left a 6 inch gap in the back bottom corner of the enclosure.   It only dropped leaves on a couple of the lowest branches.

Citradia, you must have been really cold this winter. My Russian  (Salavatski) pomegranate  is just starting to wake up, I can currently see clear signs of growth 4.5-5 ft above the soil (overall it is 6-6.5 ft tall). My smaller Surh-anor is also showing very little dieback, but my Agat looks to have been zapped back to just above the soil line.

20
Citrus General Discussion / Re: Cold Hardy Citrus
« on: May 10, 2014, 07:53:24 PM »
Excellent update Eyeckr, though I'm sorry you lost so many trees.  The Keraji mandarin certainly seems to stand out on your list of trees that survived. Did it defoliate or have any twig die back?

21
Citrus General Discussion / Re: Cold Hardy Citrus
« on: May 07, 2014, 05:42:53 PM »
I know of a couple FD specimens in cold z6a areas here in New England.  As recently as 4-5 years ago the one in central MA saw -13F according to the owner.  My FD is a seedling of this plant.


22
Citrus Buy, Sell, & Trade / Re: Wanted: Gold Nugget Mandarin
« on: May 07, 2014, 09:32:24 AM »
Millet,  your description of the grafted Logee's trees matches my observations, healthy scion but heavily rootbound rootstock.  The only difference is, that when you visit Logee's in person, you can pick out slightly larger trees.  I hope it does well for you.


Blake, the containers are probably only 3.5 to 4 inches deep.  The roots take up the vast majority of the space.


23
Citrus General Discussion / Re: Owari blooming in western NC!
« on: May 07, 2014, 09:26:58 AM »
Looking good! How cold did you get this past winter?  It doesn't look like my satsuma is going to flower this year... but my Gold Nugget planted just a few feet away has several flower buds.


24
Here's a bit of additional info on work to find better rootstocks and on screening of current citrus germplsasm for HLB tolerance.  Some of Dr. Grosser's observations are highlighted in the presentation.  It is interesting to note that Poncirus shows some resistance/tolerance to HLB.

http://www.citrusresearch.org/wp-content/uploads/Stover_Ed_Is_there_useful_resistance_HLB.pdf

And some more recent updates.

http://www.growingmagazine.com/article-10650.aspx

And a bit of news on research focused on learning about the bacterium Liberibacter asiaticus that causes HLB where they have now sequenced its genome and are beginning work on identifying means to control the bacteria. 

http://www.heraldtribune.com/article/20140114/ARCHIVES/401141033?p=1&tc=pg


25
Citrus Buy, Sell, & Trade / Re: Wanted: Gold Nugget Mandarin
« on: April 27, 2014, 07:53:28 PM »
Millet, good to hear you are happy with the tree from Bayflora. I like that they graft on FD, but that may also be a factor in the tree being a bit undersized. For what it's worth, I thought my Gold Nugget from Four Winds was a bit small too.

Newbe, I do not believe it is possible to export citrus trees or budwood out of the US.

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