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1
Tropical Fruit Discussion / Re: Carambola tree - hanged to death?
« on: May 19, 2019, 11:30:52 PM »
+1

Let it grow, it will heal itself, not a big problem.
I agree it will heal and be no problem. Carambola grows fast and is very vigorous.

2
Tropical Fruit Discussion / Re: New guanabana disease?
« on: May 19, 2019, 09:40:51 AM »
Yes, notably copper among others. However, to get adequate control, I had to start mixing in EPA classified "Reduced Risk" fungicides.

Huge problem with growing guanabana on pineisland for at least 5 years  anthracnose, mealybugs ,Annona Seed borer.Not worth growing unless you have blocks of trees so you can set up a concentrated spray program. Anthracnose die back of new growth (wilt) and then fruit,frustrating to say the least.They did improve  this year because every time I was spraying mangos with micro's and fungicide I would flip the sprayer on them .

Is there such thing as successful “organic” or “natural” treatment against Anthracnose ?

3
Tropical Fruit Discussion / Re: New guanabana disease?
« on: May 19, 2019, 09:38:51 AM »
I guess we could start bagging the fruit. We bag guavas and have high success against fruit fly.

You might try scouting fruit at an earlier stage looking for Annona Seed borer, some o your pics show the small black spots. We often see mummified sugar apples and this could be related. Much of the damage seems to be in concave areas which are also favorites of mealybugs. Here is a UFL pest sheet for annona.

http://edis.ifas.ufl.edu/pdffiles/ig/ig16600.pdf

4
Tropical Fruit Discussion / Re: New guanabana disease?
« on: May 19, 2019, 09:33:54 AM »
OK. Bummer. I think I'll just do the same -- spray them while I'm hitting the mangos.

Huge problem with growing guanabana on pineisland for at least 5 years  anthracnose, mealybugs ,Annona Seed borer.Not worth growing unless you have blocks of trees so you can set up a concentrated spray program. Anthracnose die back of new growth (wilt) and then fruit,frustrating to say the least.They did improve  this year because every time I was spraying mangos with micro's and fungicide I would flip the sprayer on them .

5
Tropical Fruit Discussion / Re: New guanabana disease?
« on: May 18, 2019, 11:45:35 PM »
Update: I think it's anthracnose based on a couple of online resources. Looks like I might have to start including the guanabana trees in the mango fungal routine..

6
Tropical Fruit Discussion / Re: New guanabana disease?
« on: May 18, 2019, 11:36:19 PM »
Fruit set is still excellent, but I only get a fruit or two per year that is edible.

Very interesting as it seems from pics the fruit get to an advanced stage before succumbing to disease. Has this affected rate of fruit set?

-Joep450

7
Tropical Fruit Discussion / New guanabana disease?
« on: May 18, 2019, 11:26:36 PM »
About 18 months ago, my guanabana tree started getting infected with the disease shown in the pictures below. At present, I lose almost 100% of my crops to it. Any ideas what it is?









8
Doesn't look like mbbs on the LZ. Not sure which nutrient is lacking (zinc, mn, mg, fe), but I've been able to convert that into green via the following program:

 - Hars 0-3-16 once every 3 - 4 months
 - Helena's micronutrient mix (0-0-6) once a year

9
OK. Thanks for the report.

After last season several large,  badly infected trees were cut to stumps. Numerous smaller trees were also stumped and topworked. I also got on top of the spray program early. These steps combined with a dry early fruit development period seem to have resulted in clean fruit up to this point on smaller trees, included infected varieties badly afflicted last year (Ah Ping and Mario). However, at this point last year my fruit appeared pretty clean as well aside from those two , then the rains came and that was that. The rains are here now in palm beach county, and we’re probably going to break some May records.

I’ve been harvesting fruit since mid-March, but the Edward have started to come in quantity over the last couple weeks. I’m now seeing mbbs/rot levels comparable to last season at this point in time for Edward. This is a likely indicator that moderately to highly susceptible varieties will see their crops impacted *as the fruit nears/reaches maturity*.

Also seeing mbbs really bad on our largest Super Julie tree by the way. I had suspicions about that one last year but this year it’s really taking off on it. Shame. Might be topworking that one after the season is over, and we have a couple of them.

I have hope for early season varieties that are moderately-to-highly susceptible, but I think mid and late season stuff that falls into those groups are pretty much doomed.

10
Sunrise is July if memory serves.

If these mangoes hurry up and ripen before the onslaught of rain, maybe we can avoid the worst part of MBBS.

Curious to hear Alex's report.


None so far. Saw them on Lemon Meringue and Bailey's Marvel last year. LM looks clean this year. Not been a good year for BM ; not many mangoes.

Had a couple of Florigon mangoes ripen and fall. Dwarf Hawaiian looks almost ready.

When is Sunrise usually ready?

11
You sure it's MBBS? I have 3 LZ trees loaded with fruit (hundreds in total), and think I only saw one MBBS infected fruit this year. Last year I had a few dozen.

It seems like this has been a low disease pressure year for mangoes here in FL. So far, no MBBS on any of my trees. Crops seem like they're be a little early this year compared to last, which could help in mitigating disease.

Anybody with MBBS yet?

Two fruits of my lemon zest mangoes have advanced MBBS just as it begun to ripen and I eliminated some more that seem to have early symptoms of it. 10 less mangoes so far.  :( There are still plenty though. If it gets bad, I'm just gonna top work it to two new Zill cultivars.

12
It seems like this has been a low disease pressure year for mangoes here in FL. So far, no MBBS on any of my trees. Crops seem like they're be a little early this year compared to last, which could help in mitigating disease.

Anybody with MBBS yet?

13
It's a seedling from Noel's rollinia, which produces the large fruits. There seem to be 2 common cultivars / races here in FL: the small fruited / productive but not as good tasting and the large fruited one. Then there are a couple of hybrids that Har made.

Jeff, what cultivar are you growing?  How big are the fruits? Would like to get a few  seeds from you.

14
Mine has been self-pruning. I would think the tree would abort a good portion of those. But could be cultivar dependent.

This is how it looks all over the underside of the tree.





Can anyone chime in about if this amount of fruit so close to each other is okay? Is thinning needed, or should I go for more? As it stands, still pollinating. Has become a ritual.

15
Tropical Fruit Discussion / Re: Glenn mango- ready or not
« on: May 09, 2019, 10:07:44 PM »
HAHAHA so true

Definitely getting into Blue Jay and Squirrel ripeness territory, though. If you are starving or have limited fruit set on that tree, I'd consider covering them with an organza or mesh bag. Glenn perfume is irresistable early in the season! And you still have another week or two...
kalan

16
Tropical Fruit Discussion / Re: Can anyone ID these trees?
« on: May 09, 2019, 05:15:43 PM »
0) herb of some sort
1) carrot wood (weed tree)
2) looks like some sort of passiflora vine?
3) ? Looks like the small weed trees that pop up around my garden with yellow flowers. Don't know the name.
4 & 5) Longan

17
Tropical Fruit Discussion / Re: Plant identification
« on: May 09, 2019, 01:14:10 PM »
yah looks like rose apple (mazana pedora).

18
Tropical Fruit Discussion / Re: Jackfruit Brix
« on: May 09, 2019, 12:04:05 PM »
It was insanely sweet to the taste, the entire fruit. I've been trying different fertilization regimens and comparing results. In this particular case, I gave the tree a boatload of  slow-release nitrogen, which seems to have upped the brix. In general, more N has seemed to mean more brix on most of my fruits. I think it must permit better Ca uptake.

19
Tropical Fruit Discussion / Jackfruit Brix
« on: May 08, 2019, 11:27:51 PM »
I got a reading of 38.2 on my NS1. Seems high. What's a normal brix read on a jack?



20
Tropical Fruit Discussion / Re: Question on sapodilla
« on: May 08, 2019, 09:49:54 AM »
Doubt it would be true to seed. I have a very strong suspicion that Silas Woods is a seedling of Makok though. Seeds from either of those trees would be my choice for experimentation.

A makok seedling would fruit pretty quickly from seed.

would it come true to seed as well? or maybe an equally productive tree with a bigger fruit? ;)

21
Tropical Fruit Discussion / Re: Question on sapodilla
« on: May 07, 2019, 10:19:20 PM »
A makok seedling would fruit pretty quickly from seed.

22
It's nutty hot out there. Seems like we skipped from April directly into July.

23
Tropical Fruit Discussion / Re: VIDEO: Sweettart Mango Fruiting Year 2
« on: April 29, 2019, 11:37:50 AM »
Wouldn't say they are shy bearers. Some years, mine will break branches with fruit load. Other years, I get medium sized crops. Mine never seems to produce a full bloom, but the tree makes up for it by setting prodigious quantities of fruit and dropping very little. Might need to thin fruit to prevent branch breakage and fatten fruit up. Seems like it does want some chill hours to flower well.

24
Tropical Fruit Discussion / Re: Die Back on Jackfruit
« on: April 29, 2019, 11:33:30 AM »
Could be cool weather damage or nutritional deficiency. Or both.

25
Tropical Fruit Discussion / Re: Pitomba planter question
« on: April 29, 2019, 11:32:15 AM »
size is fine. pitomba roots not aggressive. If the concrete is relatively fresh, it could contribute to chlorosis due to high ph.

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