Peach problem

11 years ago

last modified: 11 years ago

Hi all,

Seems i may have a peach problem starting to occur. Im guessing its a iron/mg problem but i want to see what others think. Ive had issues with PH levels here as my tap water is between 7.5-8. Im also guessing as this hasnt shown yet till now it's the tap water building up in the soil making it alkaline. I most definitely have enough ferts in place with compost added, worm castings, blood n bone, rock dust, manure and slow release.

Ive notice im having a similar issue on my lemon tree as the peach. I do have liquid sulphur that i may apply to see if i can get them back to a nice green.

Just want to get a clarification on what the spottish yellow occuring as seen on the new growth. It looks as so it will yellow between the veins if it was to progress.

Featured Answer

Brent Williams
Original Author

11 years ago

I will be applying liquid sulphur tomorrow and will monitor it and give updates as i go. As for watering i don't really have any other option other then the tap.

Im thinking like what you've said and just top worth compost/manure maybe even peat moss to counter the alkalinity of the water or at least buffer it to a neutral point.

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Comments (6)

clarkinks
11 years ago
Hi Brent I think your on to something. I have seen a couple of deficiencies look similar but that does look like iron.
clarkinks
11 years ago
I just googled it to confirm what I remembered about the dark green veins showing and the rest of the leaf yellowing and this link confirms it http://www.clemson.edu/extension/peach/faq/peach_nutrition.html

Around here thatdeficiency would be unheard of even with a pH of 8+ being common. Certainly its true like you said 8's on pH are far from optimal and and the offending mineral such as calcium begins tying up nutrients. Our soil occasionally becomes magnesium deficient and the symptoms are similar. Frequently people apply again lime here to open up the clay soil since its rich in tied up minerals. Eventually messing with soil comes back on them in the form of off the chart high pH. We all know alkaline soil is not optimal. My approach is different which is to add cow manure , and a few inches of wood chips around my trees with a small amount of azomite and magnesium with my goal being g to reduce pH long term as your doing with sulphur. By adding the wood chips I get the moisture and fungi but its a month until I start to see the benefit.
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clarkinks
11 years ago
It takes years with wood chips toreduce the ph by half a percent but eventually I get there. I used sulphur when I kept blueberries but even then the pH took a long time to come down and I used aluminum sulfate at times to help it. You are aware blueberries like a pH of 5 And that's a hard goal to reach with alkaline soil.
Brent Williams
Original Author
11 years ago
this is my citrus tree that had been suffering ph problems till i did an application of sulphur as it to had a soil ph of around 8. 2 weeks later and this was the result. So im thinking my peach tree is heading that way to
clarkinks
11 years ago
last modified: 11 years ago
No harm will come from adding organic material and in this case lowering pH with sulfer. You have nothing to lose and everything to gain. I would take the pH down slowly. Sulphur as your aware does not show up right away on a pH scale. Soil organisms will get a chance to adjust as you drop the pH slowly. since sulphur is an antifungal compound you will get some good fungi that will die if you take it down to quick. Looking forward to the results when you post them.