Hopefully, the gold label special mix helps it, Brett, 🤞. I’ve lost 2 seedling avocados that I had in my greenhouse and had grafted onto. Although I’m not sure if it was totally down to root rot, I suspect that it will have played a part in their decline.
I'm going to start adding gypsum. I've seen it being used by others and read on a 'University of California' page that it kills root-rot spores and/or suppresses the conditions that allows the 'Phytophthora' spores to take hold. I'm not experiencing problems but think it might be wise as a preventitive measure. Apparently, mulching also helps. I already use a product called 'Strulch'. Here's what UC states with regards to avocado root rot - _"Apply Gypsum and Mulch. - Create soil conditions that suppress Phytophthora root rot by applying gypsum under the canopy of each tree, perhaps 25 pounds beneath a medium-sized avocado tree. Apply at least 4 to 6 inches of coarse organic mulch on soil beneath the tree canopy, but keep the mulch several inches away from the trunk itself. Use organic mulch such as composted green waste (yard trimmings) or hardwood chips "_ _"Mulching promotes the development of beneficial microorganisms antagonistic to Phytophthora cinnamomi. Mulch can also reduce salinity by reducing water evaporation that concentrates salts near the soil surface. Adding gypsum supplies calcium, which suppresses the formation of Phytophthora spores. For best results apply mulch and gypsum when the tree is first planted. As the tree grows it produces its own mulch that should be left under the canopy. As the gypsum disappears and mulch decompose, apply more "_ Best of luck with your seedling. 👍🏽
Hi Dom yes I’d seen gypsum talked about although I suppose it might be a bit too much for a seedling with only a couple of threads of root left. I think I’ve ‘saved’ this one about 3 times, believe it or not I think it’s at least 3 years old ! I don’t really need to save it as I’ve got quite a few seedlings but I thought it deserved the extra effort as it’s held on to life for so long 😂
A very thick mulch layer did it for my mangos. After 2 years of constant struggle with anthracnose and other fungi, they're finally on explosive growth I've never seen before.
@@PeterEntwistle I think so, Peter. There's quite a bit of literature on it. It's an inexpensive product. There's a UK based online store called 'Indoor Organics' that sells all sorts of amendments and they sell a 1kg bag of slow release gypsum for £5. I read that it's a safe product to use and very difficult to "over-dose" a plant with it ... but I'll start by just applying small amounts as a top-dressing and see how it goes.
There was only one thin root left ( root rot again ), not wise to use any addition foods yet as they’ll probably burn that remaining root. I’m nursing it in a soft compost first to see if it starts to grow back then I’ll add the other things
@@lyonheart84 *A thin root without lateral roots & without hair roots is an indication of low Auxin & Cytokinins. The Calcium in Bone Meal & Gypsum is critical for stem cell division & root growth transport proteins. Phosphate is needed for DNA, Enzymes, Immune System, Hormones. Sulfur in the gypsum reduces invasive (bacteria & fungi) while improving mycorrhiza health. Gypsum improves soil aeration. Bone Meal & Gypsum are time released. Just use a small pinch of each when you water.*
@Pay-It_Forward lol I’ll try it but it’s not a long thin root it was a 1 inch side root, everything else had rooted away 😂. A common issue with avocados here, I’ve lost many seedlings. I’ve no pretty much removed all organic matter from my avocado mixes
@@lyonheart84 *The young leaves on this avocado have tips scorched, edges turned down, are overly fuzzy. Those are Calcium deficiency symptoms. Calcium is required for stem cell division, healthy root tips & lateral roots. Try it.*
@Pay-It_Forward no no no you are trying to analyse too much from a blurry video 😂, the roots had completely rotted away apart from one tiny bit, the leaves had shrivelled up and died out because it’s been getting no moisture for about 2 months which is when all the leaves fell off and the stem died back. If the root improves you will see the new leaves will be green and healthy 😁
Hopefully, the gold label special mix helps it, Brett, 🤞. I’ve lost 2 seedling avocados that I had in my greenhouse and had grafted onto. Although I’m not sure if it was totally down to root rot, I suspect that it will have played a part in their decline.
This one’s been battling for years and died back a few times, I had to try and save it again 😂
I'm going to start adding gypsum. I've seen it being used by others and read on a 'University of California' page that it kills root-rot spores and/or suppresses the conditions that allows the 'Phytophthora' spores to take hold. I'm not experiencing problems but think it might be wise as a preventitive measure. Apparently, mulching also helps. I already use a product called 'Strulch'.
Here's what UC states with regards to avocado root rot -
_"Apply Gypsum and Mulch. - Create soil conditions that suppress Phytophthora root rot by applying gypsum under the canopy of each tree, perhaps 25 pounds beneath a medium-sized avocado tree. Apply at least 4 to 6 inches of coarse organic mulch on soil beneath the tree canopy, but keep the mulch several inches away from the trunk itself. Use organic mulch such as composted green waste (yard trimmings) or hardwood chips "_
_"Mulching promotes the development of beneficial microorganisms antagonistic to Phytophthora cinnamomi. Mulch can also reduce salinity by reducing water evaporation that concentrates salts near the soil surface. Adding gypsum supplies calcium, which suppresses the formation of Phytophthora spores. For best results apply mulch and gypsum when the tree is first planted. As the tree grows it produces its own mulch that should be left under the canopy. As the gypsum disappears and mulch decompose, apply more "_
Best of luck with your seedling. 👍🏽
Hi Dom yes I’d seen gypsum talked about although I suppose it might be a bit too much for a seedling with only a couple of threads of root left. I think I’ve ‘saved’ this one about 3 times, believe it or not I think it’s at least 3 years old ! I don’t really need to save it as I’ve got quite a few seedlings but I thought it deserved the extra effort as it’s held on to life for so long 😂
A very thick mulch layer did it for my mangos. After 2 years of constant struggle with anthracnose and other fungi, they're finally on explosive growth I've never seen before.
@TropicalGardeningCyprus very tricky to do in a pot of course 😁
Very interesting Dom, I’ll have to read into applying gypsum for avocados. It certainly sounds worthwhile trying it out.
@@PeterEntwistle I think so, Peter. There's quite a bit of literature on it.
It's an inexpensive product. There's a UK based online store called 'Indoor Organics' that sells all sorts of amendments and they sell a 1kg bag of slow release gypsum for £5.
I read that it's a safe product to use and very difficult to "over-dose" a plant with it ... but I'll start by just applying small amounts as a top-dressing and see how it goes.
*Try Bone Meal & Gypsum, together*
There was only one thin root left ( root rot again ), not wise to use any addition foods yet as they’ll probably burn that remaining root. I’m nursing it in a soft compost first to see if it starts to grow back then I’ll add the other things
@@lyonheart84 *A thin root without lateral roots & without hair roots is an indication of low Auxin & Cytokinins. The Calcium in Bone Meal & Gypsum is critical for stem cell division & root growth transport proteins. Phosphate is needed for DNA, Enzymes, Immune System, Hormones. Sulfur in the gypsum reduces invasive (bacteria & fungi) while improving mycorrhiza health. Gypsum improves soil aeration. Bone Meal & Gypsum are time released. Just use a small pinch of each when you water.*
@Pay-It_Forward lol I’ll try it but it’s not a long thin root it was a 1 inch side root, everything else had rooted away 😂. A common issue with avocados here, I’ve lost many seedlings. I’ve no pretty much removed all organic matter from my avocado mixes
@@lyonheart84 *The young leaves on this avocado have tips scorched, edges turned down, are overly fuzzy. Those are Calcium deficiency symptoms. Calcium is required for stem cell division, healthy root tips & lateral roots. Try it.*
@Pay-It_Forward no no no you are trying to analyse too much from a blurry video 😂, the roots had completely rotted away apart from one tiny bit, the leaves had shrivelled up and died out because it’s been getting no moisture for about 2 months which is when all the leaves fell off and the stem died back. If the root improves you will see the new leaves will be green and healthy 😁