The old tree is a success so far…
All your grafting looks perfectly executed. I’m not surprised that your getting great results. Psyllids showed up on my newly emerging persimmon grafts recently and almost destroyed them. I was thinking that they were the typical aphids that easily wash off. I finally cleaned them and covered with my screen covers. They are making a slow comeback now.
I have been spraying anything that moves with insecticidal soap. An article I read said it would work and maybe it has. I haven’t seen anymore. One of the grafts has a resident spider that ducks and retreats when she sees me coming. She may have something to do with it!!
I’ll be interested in seeing the long-term survival of your chocolate and coffeecake. I nearly lost my NA Asians this winter, so now I’m paranoid that you’re really pushing it on hardiness in our zone. But I would love to add those to my collection if they’ll last so I’m rooting for you.
This is a same year Asian persimmon hybrid interstem graft. The interstem is shorter than I like, but it was all I had to match the scion/interstem/rootstock diameter.
I have another field graft almost identical to this one with a different upperstock, this other graft is not showing any signs of life on the interstem or upperstock. I guess that’s the way it goes sometimes.
Also, I did about 20 or so bench grafts similar to these, but with longer interstems for the most part. All the Rosseyanka interstems are growing fine, only 1 or 2 of the upperstocks are leafing out. I am not brave enough to cut off the interstem growth to “push” the upperstocks. I figure I can graft over to the desired cultivar upperstock next year.
Edit: I felt like a crazy person typing the above. I am so glad to be part of a community that shares my interest in wacky things like this.
Nice job. Never have tried that specific graft, but I like the effect.
Looks like all 25 bench grafts I planted directly into my orchard are good. And about 50 out of 55 in my nursery. I’m ecstatic!
Not sure if you have, but you might want to stake those persimmons. I’ve had a few experiences where persimmon grafts took off too quickly and snapped off in the wind.
I did a first pass on half of the peach varieties I’m trying to graft this year.
I did clefts of Early Crawford, Indian Free, Rio Oso Gem, and Athena (permission obtained from CRFG).
I also did a T-bud with Black Boy.
I would have liked to have executed these earlier in the season, but was unable to due to circumstances beyond my control. I lost a few varieties due to wood molding over in the fridge (Springcrest and Late Crawford; damn, I really wanted those).
Tomorrow I’ll do the rest:
-Zin Dai Jiu Bao
-Sanguine de Chateauneuf
Thanks. We had a storm blow though and I did worry about the wind…but did I think to stake them?? Nah…senior moments!
Second that recommendation. Stake or lose it. I had to regraft several bark grafts again this year that Santa Ana winds snapped off mid summer.
Why using an interstem ? Do you fear incompatibility with american persimmon ?
Part of me feels these subjects ruffle feathers. I once read a Pomona article stating there are no Kakis that have lived longer than 30 years on American rootstock, yet these trees are very long lived when grown on Kaki rootstock. Some people feel this is a climate issue, but I think there is more going on. Using Kaki or Lotus as a rootstock is not an option for me for various reasons.
To answer your question, perhaps it is incompatibility. I don’t like using the name for this syndrome that others have used. I feel some of these tree deaths are merely due to cold damage from pushing climate zone limits. Generally, incompatibility for persimmons looks similar to cold damage - the tree fails to wake up in the Spring and dead upperstock. Using these hybrid interstems or even rootstocks is just a theory at this point. I have never heard of this syndrome happening with the hybrids, but they are new. I have heard of the hybrids being killed my cold.
Also, perhaps these interstems will impart more vigor on some of my slower growing Kakis. The diameter of my Rosseyanka interstems are usually slightly greater than the diameter of the American understock for the first several years of the trees life. These hybrids WANT to grow. Also, even if the Kaki grafts fail I still have an awesome persimmon tree to fall back on. I think it will be very interesting to see what happens in 20 or 30 years.
For me there is possible incompatibility with hybrids.
Here a new hybrid of persimmon missed on rosseyhanka. Ter this hybrid had 50% of rosseyhanka. …
Wé can clearly see the incompatibility reaction that is produced.
Thé same day on thé same tree I made 4 chip bidding this varieties with immédiate rejection and another of another variété hybrid that took without reaction
I’m having some difficulty understanding what you mean, sorry. I think I have the general idea.
I don’t see anything in the first photo that merits an immediate rejection. Also, I’ve never heard or seen an “immediate” rejection. It’s difficult to convey tone in text, so please don’t take my questions or comments the wrong way. The only thing I can see in the first photo is oozing sap, which is completely normal for actively growing persimmons. All my persimmon bark grafts ooze, and they usually all take regardless of the species grafted or being grafted onto. It’s the long term compatibility that is my concern.
Excuse my translater, because of my bad English, I’ve been reading you for 3 years, but do not participate.
The flow of sap can actually exist without the graft failing. There sas an immediate reaction or black flow, thé rootstock necrosis around the chip and
3 days layer the chip was black in turn.
Thé incompatibility sas flagrant. It’s hard to show in this picture.
Just to say that hybride rare ont tué solution to avoid incompatibilities.