Post by clintonsparsons on Mar 15, 2020 20:13:13 GMT -5
I divided a plant last year by just snapping it in half and potting it up. This year I was removing the dead sphagnum top dressing that i added for the winter and noticed that the old wound looked pretty raggedy, so i decided to make a fresh cut with a clean sterile razor blade. Just to tidy it up.
The inside of the rhizome was grey. The rhizome was firm, just an even solid grey color all the way through the INSIDE. The OUTSIDE looked perfectly normal, except last year's exposed wound mark which was grey like the interior.
I hesitate to call it "rot" because the tissue looked living to me, just diseased. The old roots There was no smell and the tissue was the same texture and moisture level that a healthy rhizome would have. It might have looked a little "snowy" like static on a tv. Does that make any sense? There were no powdery molds or fruiting bodies or stringy hyphae. The roots from last year were healthy and it is growing a fresh crop of strong roots this season. The crown is very healthy and its making new growth points.
I cut slices of grey rhizome off until i was left with only perfect white tissue. I ended up taking a couple inches of diseased rhizome off. I covered with cinnamon since i had no sulphur and potted it up so that the cut portion is fully exposed to air above the media. I sprayed with a neem oil solution since i had some already mixed up for roses, anyway.
The only fungicide I happened to have was Scott's Disease Ex for lawns. It is granular 0.31% azoxystrobin. I sprinkled some on top of the media and watered it in since that is all I had and the hardware store was closed. Tomorrow i am going to get the appropriate fungicide (or two for rotation).
My question is what type of fungi do i have so i can select the best fungicide to treat it?
The inside of the rhizome was grey. The rhizome was firm, just an even solid grey color all the way through the INSIDE. The OUTSIDE looked perfectly normal, except last year's exposed wound mark which was grey like the interior.
I hesitate to call it "rot" because the tissue looked living to me, just diseased. The old roots There was no smell and the tissue was the same texture and moisture level that a healthy rhizome would have. It might have looked a little "snowy" like static on a tv. Does that make any sense? There were no powdery molds or fruiting bodies or stringy hyphae. The roots from last year were healthy and it is growing a fresh crop of strong roots this season. The crown is very healthy and its making new growth points.
I cut slices of grey rhizome off until i was left with only perfect white tissue. I ended up taking a couple inches of diseased rhizome off. I covered with cinnamon since i had no sulphur and potted it up so that the cut portion is fully exposed to air above the media. I sprayed with a neem oil solution since i had some already mixed up for roses, anyway.
The only fungicide I happened to have was Scott's Disease Ex for lawns. It is granular 0.31% azoxystrobin. I sprinkled some on top of the media and watered it in since that is all I had and the hardware store was closed. Tomorrow i am going to get the appropriate fungicide (or two for rotation).
My question is what type of fungi do i have so i can select the best fungicide to treat it?