A few years ago, I put down a couple dozen D. virginiana cuttings. Many of
them survived for several months, but when I dug them up, none had roots.
I also took a couple of kaki plants rooted on virginiana and planted them
sideways in a trench, with a couple feet of the scion underground. After
two or three years, the scions still hadn't rooted.
It seems that persimmons are very reluctant to put out roots from the
above-ground parts. Maybe there is some sort of trick that would coax them
into rooting. It would be very helpful to be able to root cuttings,
because I find that many grafts (even some virginiana on virginiana) fail
at the graft junction after a couple of years.
Here is a reference to the article on tissue culture of persimmons. It
looks simple enough to do at home if you are willing to spend a few hundred
dollars for equipment and supplies.
http://hortsci.ashspublications.org/content/48/6/747.full
Fred
On Sun, Jan 8, 2017 at 11:45 AM, Jerry Lehman <jwlehmantree@gmail.com>
wrote:
> On 1/8/2017 11:27 AM, Melissa Kacalanos via nafex wrote:
>
>> Do we know that persimmons can root from the scion?
>>
> 10 years ago or more a fellow persimmon enthusiast, David Pierce, tried
> and tried to root persimmon cuttings. He used various rooting compounds,
> and chemical mixtures in his basement under controlled temperature and
> light conditions. He managed to get one cutting to develop one root and
> when he took it out of the liquid the root broke off. Under the right
> conditions they will develop callous but I've never seen any developed
> roots from the callous. They can be propagated in vitro and Prof. Paula
> Pijut at Purdue University researched the subject and wrote a paper on it.
> I have about a half dozen trees of Rosseyanka that she propagated in vitro
> that have been in the ground maybe 10 years but haven't borne any fruit.
> Acclamation (transferring from the test tube to soil) with persimmon is a
> big problem.
>
> Jerry
>
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