Tropical Fruit Forum - International Tropical Fruit Growers



Author Topic: What is wrong with the leaf spots  (Read 324 times)

Jaboticaba45

  • Sr. Member
  • ****
  • Posts: 327
  • Matthew 7:16-18
    • Ooltewah Tennesee, USA zone 7b
    • View Profile
What is wrong with the leaf spots
« on: September 01, 2020, 02:45:22 PM »



Not sure if I should worry about this.
chempedak cheena breadnut breadfruit kwai muk pedalai marang jackfruit I love artocarpus-Ryan

DaveinNoVA

  • Member
  • ***
  • Posts: 10
    • Fairfax, Virginia
    • View Profile
    • Broadleaf Evergreens for the Mid Atlantic
Re: What is wrong with the leaf spots
« Reply #1 on: September 01, 2020, 04:35:28 PM »
I'd like to know as well.

Millet

  • Moderator
  • Hero Member
  • *****
  • Posts: 3882
    • Colorado
    • View Profile
Re: What is wrong with the leaf spots
« Reply #2 on: September 01, 2020, 10:44:25 PM »
All most certainly Interveinal chlorosis, which is a micro nutrient problem that can be caused by either manganese, zinc or iron or even a mixture.  In Jaboticaba's tree the deficiency, or deficiencies, is minor.  Jaboticaba does your fertilizer contain all the needed trace minerals?
« Last Edit: September 01, 2020, 10:50:15 PM by Millet »

Jaboticaba45

  • Sr. Member
  • ****
  • Posts: 327
  • Matthew 7:16-18
    • Ooltewah Tennesee, USA zone 7b
    • View Profile
Re: What is wrong with the leaf spots
« Reply #3 on: September 02, 2020, 09:56:51 AM »
All most certainly Interveinal chlorosis, which is a micro nutrient problem that can be caused by either manganese, zinc or iron or even a mixture.  In Jaboticaba's tree the deficiency, or deficiencies, is minor.  Jaboticaba does your fertilizer contain all the needed trace minerals?
Haven't been regularly fertilizing it. Will do. Thanks for the help. I use citrus tone fertilizer.
chempedak cheena breadnut breadfruit kwai muk pedalai marang jackfruit I love artocarpus-Ryan

Millet

  • Moderator
  • Hero Member
  • *****
  • Posts: 3882
    • Colorado
    • View Profile
Re: What is wrong with the leaf spots
« Reply #4 on: September 02, 2020, 10:17:36 AM »
Citrus tone , an organic fertilizer, does not work in containers, due to the lack of micro organisms. 

Jaboticaba45

  • Sr. Member
  • ****
  • Posts: 327
  • Matthew 7:16-18
    • Ooltewah Tennesee, USA zone 7b
    • View Profile
Re: What is wrong with the leaf spots
« Reply #5 on: September 02, 2020, 10:56:58 AM »
Citrus tone , an organic fertilizer, does not work in containers, due to the lack of micro organisms.
What fertilizer would you reccomend?
chempedak cheena breadnut breadfruit kwai muk pedalai marang jackfruit I love artocarpus-Ryan

Millet

  • Moderator
  • Hero Member
  • *****
  • Posts: 3882
    • Colorado
    • View Profile
Re: What is wrong with the leaf spots
« Reply #6 on: September 02, 2020, 11:44:48 AM »
Find a standard fertilizer higher in nitrogen and potassium, and lower in phosphorous and one that contains the trace minerals. 

Jaboticaba45

  • Sr. Member
  • ****
  • Posts: 327
  • Matthew 7:16-18
    • Ooltewah Tennesee, USA zone 7b
    • View Profile
Re: What is wrong with the leaf spots
« Reply #7 on: September 02, 2020, 12:23:14 PM »
Thank you!
chempedak cheena breadnut breadfruit kwai muk pedalai marang jackfruit I love artocarpus-Ryan

milehighgardener

  • Newbie
  • *
  • Posts: 7
    • UNITED STATES, COLORADO
    • View Profile
Re: What is wrong with the leaf spots
« Reply #8 on: September 03, 2020, 07:25:01 PM »
Hi, most people on the citrus forumgardenweb site by houzz reccomend Dyna-Gro Foliage pro it contains all the necessary nutrients and contains a form of nitrogen that will not burn, you can find it on Amazon.

I use 1 teaspoon for every gallon of water and tone it done to half a teaspoon in the winter time for every gallon. Never had any leaf issues while using this product. 

Millet

  • Moderator
  • Hero Member
  • *****
  • Posts: 3882
    • Colorado
    • View Profile
Re: What is wrong with the leaf spots
« Reply #9 on: September 03, 2020, 09:35:47 PM »
Milehighgardener, offers some good information about Foliage pro, especially if you have just a few trees.  Foliage pro is a good fertilizer product for citrus. As your collection grows larger, Foliage pro become quite expensive to use.   For people with larger citrus collections, I would suggest Jack's Professional water-soluble fertilizer 25-5-15 HPF.  It is a great citrus fertilizer with the excellent citrus ratio of 5-1-3.  Note: Jacks fertilizer is only available in a 25-lb. bags.
« Last Edit: September 04, 2020, 11:32:22 AM by Millet »

MikeT

  • Sr. Member
  • ****
  • Posts: 410
  • Feeling Seedy
    • BAYVIEW HEIGHTS
    • View Profile
Re: What is wrong with the leaf spots
« Reply #10 on: September 04, 2020, 09:24:35 AM »
Ok I am putting my money on zinc deficiency mostly exacerbated by magnesium deficiency. 

brian

  • Hero Member
  • *****
  • Posts: 1470
    • Pennsylvania (zone 6)
    • View Profile
Re: What is wrong with the leaf spots
« Reply #11 on: September 04, 2020, 09:53:13 AM »
I have always used Osmocote plus for all my trees, but with my most recent application I realized it is no longer sustainable for me - I used two 8lb bags just for my container trees.  I have finally begun using the Jacks HPF 25lb bag I bought years ago for my in-ground trees, though I'm still going to keep using Osmocote for containers.

MikeT

  • Sr. Member
  • ****
  • Posts: 410
  • Feeling Seedy
    • BAYVIEW HEIGHTS
    • View Profile
Re: What is wrong with the leaf spots
« Reply #12 on: September 04, 2020, 05:34:52 PM »
Nutrient deficiencies can be a bit complicated. If you pull up the citrus leaf chart match up the symptoms and add what is supposedly missing it often doesn't work.You may have acidified the soil from past fertiliser applications or had salt buildup or even town water with chlorine messing the plants around.Nutrient antagonisms are a bit harder to deal with. If you put too much of one nutrient on then the uptake of its antagonistic nutrients can be influenced.

 

Copyright © Tropical Fruit Forum - International Tropical Fruit Growers