Rootstock question, please.

mrsg47(7)July 27, 2014

Hi all, I've been researching rootstock, as I have citation and lovell growing in my orchard, off to the side . Basically the rootstock of one failed apricot and one failed Bavay. What types of fruit trees are lovell, krymsk, citation and M29. I've googled with no success. Thanks! Mrs. G

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fruitnut Z7 4500ft SW TX

Lovell is a peach seedling, the Lovell variety. Citation is an interspecific hybrid of several stone fruit species. The other two are probably also stone fruit hybrids. I'm not 100% sure of the last three.

    Bookmark   July 27, 2014 at 6:47PM
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nyRockFarmer(5A Southern Tier, NY)

Supposedly this is lovell peach: http://newenergyandfuel.com/wp-content/uploads/2013/03/Lovell-Peach-For-Genome-Research.jpg

The lovell peaches I saw on a tree were still small, green-yellow, and hard late in the season. Either they ripen very late or are just nasty. The minimal flesh it is what I imagined a wild peach would be like. Maybe the ones I saw were not a good representation of a typical lovell.

    Bookmark   July 27, 2014 at 9:01PM
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mrsg47(7)

Thank you both so much. I would think that with all of the grafting going on we would have more information on these rootstocks. Thanks! Mrs. G

    Bookmark   July 27, 2014 at 9:40PM
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itheweatherman

Citation is a peach x plum hybrid; it is patented as 4G816 (United States Patent PP05112).

Krymsk 1 rootstock is a cross between prunus cerasifera x prunus tomentosa, patented as VVA-1 (United States Patent PP15995).

    Bookmark   July 27, 2014 at 11:46PM
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itheweatherman

Here is some info from the University of California, Division of Agriculture and Natural Resources California Stone fruit research:

"Krymsk 1 This is the only rootstock we have identified to provide resistance to root-lesion nematode. It is dwarfing by as much as 50% of that of Nemaguard. It hosts ring nematode at about the same level as Nemaguard so avoidance of sandy soils would be important. It has a resistance California Tree Fruit Agreement 2007 Annual Research Report 132mechanism to root-knot nematodes within root tissues older than 60 days but at its root tips it is susceptible to root-knot. Lovell, for example, is root- knot susceptible even within tissues that are five years old. Krymsk 1 rootstock has peculiar grafting affinities and the scions may not fully express incompatibility in their first year. It also suckers, thus there is need to obtain nursery stock that has been disbudded below the graft union. "

http://ucanr.edu/repositoryfiles/CTFA2007_129.pdf-92592.pdf

Here is a list of articles about stone fruit rootstocks from the University of California, Division of Agriculture and Natural Resources California Stone fruit research:

http://ucanr.edu/sites/ctfa/category/Rootstocks/?repository=46350&a=95280

    Bookmark   July 28, 2014 at 12:08AM
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milehighgirl(CO USDA 5B/Sunset 2B)

I just ordered from Fowler's and they had this chart:

Here is a link that might be useful: Almond and Fruit Tree Rootstocks

    Bookmark   July 28, 2014 at 2:41AM
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curtis(5)

I have used Krymsk 1 and found it to be more forgiving on water.. too much or too little.. then any other fruit rootstock I have used. But nothing old enough to offer any other info.

on that same subject ohfx87 is clearly more drown resistant then 333.

    Bookmark   July 28, 2014 at 10:26AM
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mrsg47(7)

Thank you all again! All of this information is perfect for what I was looking for. My Krymsk 1 rootstock is suckering everywhere! And it takes heavy doses of round up to kill it. I have plenty left for grafting next spring. Mrs. G

    Bookmark   July 28, 2014 at 9:16PM
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