I have some fig cuttings I've been keeping in plastic tub with moist sphagnum moss. At first the moss was too wet and I started to get some mold, which I rinsed off and has mostly stayed away. Some cuttings have little roots and all have initials so I'm just going to pot them all up and see how they do. For the ones showing some mold, I was wondering about rinsing them in 10% bleach/90 % water and maybe giving a little scrub with an old toothbrush to any bad spots then just potting them up without rinsing. I'm hoping this will hold back mold long enough to get them going, especially by leaving a little bleachy residue. Good idea? Doomed to failure? I have about 40 cuttings going in total, so I can afford to test a bit if necessary.
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That should do it. Some really do seem just more prone to molding than others. For those varieties, I sometimes cut the growth tip off and dip the cut top end in paraffin since that zone seems the likeliest place to mold.
I've seen that some like to use dilute hydrogen peroxide solution to disinfect or even water the cuttings with the argument that it permeates the cutting better for better mold control and also helps with aeration.Sarah
Bay Area, CA (zone: 9B)
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Like Sarah already mentioned above, diluted Hydrogen peroxide has been a real lifesaver for my cuttings.. I initially wash with a mild bleach/water solution as soon as I receive new cuttings but afterwards dabbing on the H2O2 has worked amazingly well.. Plus I like to watch it get all fizzy! Lol!My Plant Inventory: https://docs.google.com/spreadsheets...HZcBjcsxMwQ7iY
Cuttings Available 2022:
https://docs.google.com/document/d/1...fxsT1DuH8/edit
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I treated all my cuttings with a Physan 20 solution two weeks ago, 2 tsps. to one gallon of water. It seems to have helped most of the cuttings, but other cuttings are determined to mold. The sphagnum moss medium is only slightly damp. I keep scraping off mold with my fingernail, dipping the cuttings again in the original Physan 20 solution, leaving the moss open to dry more.
Should I make up a fresh, stronger solution of the Physan 20 (2 tsp. to half a gallon?) and treat the cuttings or try the bleach/peroxide local treatment?Mara, Southern California,
Climate Zone: 1990=9b 2012= 10a 2020=?
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Here is how I clean cuttings initially. I do not rinse the bleach/water solution. Although this does help, it may not completely prevent mold.Using a nylon brush, apply a dab of antibacterial soap and scrub cutting to remove dirt. Rinse with warm water. Dip 1 part bleach to 10 parts water and dip c...Frank ~ zone 7a VA
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Altadena Mara, a cutting that repeatedly molds is often dead, at least at the part that's repeatedly moldySee if the bark scrapes off. If so cut that part away before it destroys the rest of the cutting. If not, soak the cutting in your P20 for 5-10 min. Don't mix it stronger than the label says or it may harm the cutting as well as the mold and bacteria.
Bob C.
Kansas City, MO Z6
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I'm gonna deposit my two cents b/c I just had success with the 90:10 water:bleach solution in a mist sprayer.
I got 6 real Vasilika Sikas in the mail and they all began to mold over and over again. After sacrificing a few lambs and throwing a virgin into a volcano, I hit the cuttings with the bleach solution and increased the ventilation. The mold went away completely and I now have 3 successfully rooted and potted Vasilikas. The other three are slow moving but I think two of them are going to be fine.
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Originally posted by Harborseal View PostAltadena Mara, a cutting that repeatedly molds is often dead, at least at the part that's repeatedly moldySee if the bark scrapes off. If so cut that part away before it destroys the rest of the cutting. If not, soak the cutting in your P20 for 5-10 min. Don't mix it stronger than the label says or it may harm the cutting as well as the mold and bacteria.
I used the “budding trees in April” mix suggestion for the fig cuttings, although our trees here will have bloomed, leafed out, and carry growing fruit by April.
What seems to have helped is Levar’s suggestion of increasing the ventilation: after treating the fungus spots, putting the cuttings that are in plastic bags with sphagnum moss in a vertical position with the zip lock side up and half open and the top scion ends uncovered, misting lightly twice a day. (Couldn’t find a virgin in Los Angeles)
Mara, Southern California,
Climate Zone: 1990=9b 2012= 10a 2020=?
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