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Tropical Fruit Discussion / Re: Why are my Lychee leaves yellow?
« on: March 10, 2018, 11:38:13 AM »
I think it's iron deficiency.
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I was at Zill’s today. Juana took care of me. I bought 20
of the best mango trees. I asked about Orange Sherbert
She said that they were discontinuing Lemon Zest
and they will start selling Orange Sherbert in its place.
Today is Friday March 9, 2018
This is 100% the G-ds honest truth. Juana did not say when but thought sometime
Before the end of the year.
So basically, I can't plant mango trees on my lawn and have sprinkler heads spraying on my trees daily. Am I correct? I have a long walkway in the back of my yard. I was planning to line it with mango trees. I guess I will be planting it with sapodillas then.Any other opinions and any others that water at the tree trunk like Zands does during the dry periods and any bad effects noted or not???
Let me correct that to watering mango trees with my garden hose at ground level. As opposed to having your mango trees planted on a lawn like many members do. Then having your lawn sprinkler system sending sprinkler water into the mango leaves and panicles and developing fruit. Then you might promote rot and fungus.
So do not train your garden hose only where the tree trunk meets the ground. But within the four- five foot diameter around the tree trunk. None of my trees are mulched more than a five ft diameter so this is where my roots and root absorbing action is. So I think. My philosophy - The feeder roots are on their own and should go scrounging for their food and water, which I know that many do not advocate.
I know mangos can be subjective, but the Maha is one of my favorite trees in the yard.
QuoteI find it slightly odd that Gary has decided to abandon the LZ when he grafts and sells notoriously disease prone trees such as Julie and East Indian
Those are driven by entrenched demand from West Indians and can even perform well in certain areas (Julie does well along the coast here for instance).outside of some internet circles like this one, Lemon Zest lacks that heavily ingrained recognition and demand: its small potatoes by comparison. Interestingly enough Julie, and virtually all of its descendants, appears to be resistant to both MBBS and rot.
MBBS and rot are huge concerns to those of us involved with mangos because they present the ability to wipe out entire crops of certain cultivars including many common existing ones, even in areas where anthracnose is largely a non-issue. An accumulation of disease problems can set mangos back tremendously much in the way it did for citrus ( which had/has problems independent of greening). For years anthracnose was largely the biggest limiting disease factor for mango, but now we have rot and bacterial spot on top of more aggressive strains of scab and anthracnose, along with the existence of mango malformation and strange things like “Pink disease”. And Seca hasn’t even made it here yet.
These rot and bacterial diseases are definitely not just problems for commercial growers....they actually started out in backyards. People in Manalapan and Hypoluxo, where we suspect the MBBS got introduced and has “built up” the most now watch their Kents and Keitts get consumed annually by this stuff. I’ve seen it, and have customers in other nearby areas who have shown me their rotting fruit too. These are folks with minimal numbers of backyard trees. And for bacterial spot, aside from wind/rain, the most common way the pathogen spreads is via infected nursery stock. Part of why Gary Zill is rightfully concerned about it.
I’m definitely not 100% sold on Orange Sherbert either but there (apparently) exists more promise there from the disease perspective. As far as LZ’s other noted problems, your typical backyard grower is unlikely to be even spraying sulfur (or copper) and highly unlikely to be applying bags of gypsum to correct their calcium deficiency should they have one ( and are probably just as likely to be creating one with over-applications of nitrogen). As I’ve frequently been asked what “not to plant” given the challenges associated with growing mangos, Lemon Zest goes on the list for them.
I was going to let this slide but you are spreading false information. In many areas all they have is mulch. With the right mix of species and leafy weeds and leaves applied in just the right mix and add just the right amount of water you can make the fungi and bacteria work together and achieve humus. This is what you want for trees. Branch tips are a high source of minerals, I encourage weed growth. They might be a pain to pull or cut but are essential for this system to work correctly. This is very important, the more species you use the better.
Now in an area with polluted ground water like in overbuilt areas especially like Florida where every yard is using different multiple fungicides, herbicides, chemical fertilizers and pesticides, weed and feed, or you use too much of one product, like say too much wood mulch or not enough water or do not keep adding a little bit of different mulch inputs all along, this natural way hits a wall and like Jeff said he could not achieve success and you wind up making compost more useful as a worm bin than for trees. I prefer to make compost in a separate pile with a 60% nitrogen source and 40% carbon and with a thermometer in it. This is why you need to start adding supplements as the fungi and bacteria are not working in unison and unable to form humus. Fast decomposition is a good thing not bad, the faster the better.
I know you might think this is silly, but it is correct and the natural order of life of trees.
Like Zands, I too like my root system to mirror the above ground portion of the tree (if the soil conditions are conducive) and is how it should be in my deep sandy loam.
Spread your forest responsibly!
Most people attending or listening to these talks aren’t going to have enough space for 2 Trees of one variety on top of an existing collection of numerous others. The majority are going to plant a couple Mangos at best, many only one.
LZ’s major and fatal pitfall at this point is it’s extreme susceptibility to MBBS, but it’s hardly it’s only drawback. It’s highly prone to powdery mildew as well (and is coincidentally sensitive to sulfur, to whatever degree that matters in someone’s PM control program), has a very vigorous growth habit, and flowers poorly (particularly as a younger tree). It also tends to suffer from excessive abscission issues and the fruit’s flesh can be prone to internal breakdown. Outliers notwithstanding,These observations are based not only on my own experiences growing about 20 LZ trees, but also field notes from other growers in multiple regions.
Thus It’s probably a bad choice particularly for backyard growers with few trees AND commercial growers that can’t afford “black holes”. I suppose for people collecting numerous varieties, having one around may not matter much in the long run. But if you’re the typical backyarder and depending on it for your fruit year-after-year, it’s just not a wise choice in the era of MBBS, particularly with so many other excellent cultivars now available.
We lost almost all our LZ crop last year to disease, and that was with a spray routine that most regular people growing them wouldn’t come close to following . It’s bad enough that Gary Zill won’t even graft it anymore, and Walter cut his down. We may ultimately topwork our dozen or so remaining trees unless we can recover a sizable enough percentage of the crop to justify keeping them around.
Alex had Lemon Zest on his do not buy list. The problems are causing the discontinuation of newly grafted trees.
Juicy Peach would be my choice
Here is his do not buy list and his suggested list based on disease susceptibility.
Watering right at the base of the mango tree will not make it disease prone in such dry conditions
Unfortunately, I do not have but a 2 inch diameter shallow well as a homeowner and it is limited on volume of water for house and occasional irrigation. Thus I usually use the old rubber/vinyl water hose and pull it from tree to tree if I believe moisture is needed. I also use 3 way connectors to connect more than one water hose to slowly drip/water multiple trees at once and over night.
Yesterday I replaced the pressure switch on the small well pump as the constant on/off cycles over time wore it out pretty quick this year. So, as you see I am limited and cannot spare water to feed the worms and complete a circle water pattern around the canopy on the ground. I just try to survive the dry spells and save the trees and a few mangos if a really bad dry year. No rain reached my trees with this past weeks cool front... Maybe.... this Sunday at least per forecasts...
So, I am considering placing my small available amount of water closer to the tree trunk as you (Zands) have done to help make it through these periods (previously I would place it a few feet away from the trunk).
Any other opinions and any others that water at the tree trunk like Zands does during the dry periods and any bad effects noted or not???
One could probably get away with just adding an abundance of your tree mulch if you added some sort of organic carbon nitrogen source (green weeds, grass clippings) periodically (when mulch is brown) for the bacteria to feed on and create humus. Plus one or two deep soakings during a dry season if needed to keep soil moist.
From what I’ve read it sounds like you have developed a water dependent situation for your trees. All your roots have moved above the soil line into the deep mulch you’ve added and kept wet. This is exactly what I want to try and avoid. My grass doesn’t turn brown, I have very lush pastures for my horses that I do not water. I do not buy any hay. It also appears you have some major fungal issues that I am trying to avoid by deep watering some areas, not often.
I also never, ever water my very productive vegetable garden. This is mostly grown during the dry season. My Heliconias which need damp conditions get a good soaking about once every 3 weeks during times of no rain. Shocking I know!
If it works for you that’s great. I have my own way of doing things and it works for me at our Bio-dynamic Farm.
A rotation of Pristine, Abound, Nordox Copper / Zinc (30/30), Switch, and Nordox Coppper 75 (not in that order) every 2 weeks.Hi Jeff,
what fungicide regime you are employing?
How long have you been using the Pristine and have you sprayed the Keitt with the Botrysphaerial rot with it?
That and the Abound may be what’s keeping the rot under control on your property. Most backyard growers aren’t going to invest in Strobilurins fortunately. Of course now that I’ve said this I’m sure a bunch of people reading are going to go drop $700
Hi Jeff,
what fungicide regime you are employing?
.500 trees? Get a Florida nursery licence so you can buy wholesale from nurseries like Pine Island and Excalibur. This licence is free and straightforward and easy to get. Your need is legit because as your farm develops you will have costumers asking to buy fruit trees from you. Legit also beacuse for 500 trees the large nurseries want your business so want to sell you to you wholesale...This nursery license makes this all go more smoothly.
Warning! Be sure to keep the Florida tax collectors happy by filing quarterly reports. They get angry if they don't hear from you even if all you can report some quarters is zero sales due to you planting all trees you buy wholesale on your fruit farm.
I think it's been closer to 5 years at this point. I cut it back every year.
A question for the experts and for those who have seen the mother tree:
A technical footnote: This isn't a Zill bred mango. The mother tree was under threat from a new road and saved via budwood. Possible but I doubt anyone here has seen the mother tree.
Jeff has it grafted onto one of his trees, a Glenn if I remember right. He has had it for at least 3 years.
Jeff, has it been productive the last two years? And in terms of vigor, would you put it in the Glenn category?
A question for the experts and for those who have seen the mother tree:
A technical footnote: This isn't a Zill bred mango. The mother tree was under threat from a new road and saved via budwood. Possible but I doubt anyone here has seen the mother tree.
Jeff has it grafted onto one of his trees, a Glenn if I remember right. He has had it for at least 3 years.
I'm planning a mango grove with multiple trees of several varieties and need to know the relative growth habits between them. I'm trying to determine which may be more or less vigorous or would need more or less space.
These will be grown in full sun conditions so if you have experience with these please let me know from smallest to largest.
Carrie
Mahachanok
Sweet Tart
Lemon Zest
Cotton Candy
Peach Cobbler