Square Foot Gardening Forum
[table bgcolor=#000000 height=275][tr][td]

Hello Guest!
Welcome to the official Square Foot Gardening Forum.
There's lots to learn here by reading as a guest. However, if you become a member (it's free, ad free and spam-free) you'll have access to our large vermiculite databases, our seed exchange spreadsheets, Mel's Mix calculator, and many more members' pictures in the Gallery. Enjoy.


[/td][/tr][/table]
Search
 
 

Display results as :
 

 


Rechercher Advanced Search

Latest topics
» Senseless Banter...
by countrynaturals Today at 12:41 am

» How Many Square Feet Do You Have?
by countrynaturals Today at 12:37 am

» First Frost!
by sanderson Yesterday at 10:17 pm

» Today's Harvest
by LizDTM Yesterday at 7:08 pm

» Holy snow Batman!
by sanderson Yesterday at 4:33 pm

» Northern California & Coastal Valleys - What are you doing this month?
by countrynaturals Yesterday at 3:00 pm

» What are you eating from your garden today?
by countrynaturals Yesterday at 1:16 pm

» The Winter Journey and greenhouse plastic
by BeetlesPerSqFt Yesterday at 11:14 am

» Tomato Questions
by brianj555 Yesterday at 11:07 am

» Happy Birthday!!
by AtlantaMarie Yesterday at 5:37 am

» N&C Midwest; November Already? 2017
by Scorpio Rising 11/18/2017, 7:34 pm

» BOOK GIVEAWAY #5 - ENDS 11/17/17
by brianj555 11/18/2017, 4:12 pm

» Microgreens Gardening
by Kelejan 11/18/2017, 3:30 pm

» My new compost heap
by Kelejan 11/18/2017, 3:20 pm

» What I learned this year
by countrynaturals 11/18/2017, 1:45 pm

» How's the Weather Where You're At?
by trolleydriver 11/18/2017, 9:26 am

» First Tromboncino female flower
by countrynaturals 11/17/2017, 5:51 pm

» Third Year SFG in Canada
by trolleydriver 11/17/2017, 1:59 pm

» Free lunaria seeds
by hammock gal 11/17/2017, 10:12 am

» Plastic containers / trash cans?
by sanderson 11/16/2017, 10:33 pm

» Mels book
by Scorpio Rising 11/16/2017, 7:04 pm

» Mid-Atl - Nov 2017 - Warming Up AGAIN?
by sanderson 11/16/2017, 4:17 pm

» 2017 SFG in Brooks, Ga
by Turan 11/15/2017, 4:59 pm

» Goodbye to my SFG Raised Beds
by Turan 11/15/2017, 4:41 pm

» Pickle recipes
by sanderson 11/15/2017, 4:12 am

» What variety of avocado would you recommend?
by dstack 11/14/2017, 9:12 pm

» Saffron?
by plantoid 11/14/2017, 3:32 pm

» Free Sunchoke Tubers
by BeetlesPerSqFt 11/13/2017, 6:36 pm

» who has chickens
by AtlantaMarie 11/12/2017, 10:40 am

» Huge Box of Seeds from 2003!
by countrynaturals 11/11/2017, 10:17 pm

Google

Search SFG Forum

Yellow/dying leaves on tomato seedlings

View previous topic View next topic Go down

Yellow/dying leaves on tomato seedlings

Post  CitizenKate on 4/19/2015, 9:28 pm

We came home from being gone most of the past week, and left our gardening in the care of our pet sitter.  I have a couple dozen tomato seedlings I started around the end of March.  They were doing great before we left, but upon return, I found several of them (multiple species/hybrids) with leaves that were yellowing, then dying, starting around the edges.





The leaves affected were the lowest one or two branches (above the seed leaves, which were all fine), and none of the top-most branches/leaves have been affected... yet.

I hope this was just due to being over-watered - I think that would be easy enough to remedy - but I'm also concerned there may be some kind of fungus spreading between the plants.  I did see one plant with leaves that had this appearance last week, before our trip.  For now, I'm just letting the pots dry out a bit, and watering as conservatively as possible for the next week or two.  Today I cut off all the leaves affected by this symptom, hoping it goes no further, but standing by with anti-fungus measures in case it rears its ugly head again.

Has anyone here seen this before?  Possible causes/remedies?  Thanks for any experience/insight you can share.
avatar
CitizenKate

Posts : 782
Join date : 2015-03-20
Location : Northeast KS, USA; Zone 6a

View user profile

Back to top Go down

Re: Yellow/dying leaves on tomato seedlings

Post  Turan on 4/19/2015, 10:47 pm

To my eye that looks like a nutrient deficiency.  I would make it some well rounded liquid boost with trace minerals.  Probably mixing some kelp with a dab of fish emulsion into water for them.

Take a look here ~ http://www.farmspeak.com/nutrient-deficiency.html

____________________________

Find more about Weather in Belgrade, MT
Click for weather forecast
avatar
Turan

Female Posts : 2312
Join date : 2012-03-29
Location : Gallatin Valley, Montana, Intermountain zone 4

View user profile

Back to top Go down

Re: Yellow/dying leaves on tomato seedlings

Post  TinySpock on 4/21/2015, 12:30 am

@Turan wrote:To my eye that looks like a nutrient deficiency.  I would make it some well rounded liquid boost with trace minerals.  Probably mixing some kelp with a dab of fish emulsion into water for them.

Take a look here ~ http://www.farmspeak.com/nutrient-deficiency.htm

Thanks, Turan!!  That link is incredibly helpful!
avatar
TinySpock

Female Posts : 80
Join date : 2015-03-16
Age : 66
Location : Kingman, Arizona

View user profile

Back to top Go down

Re: Yellow/dying leaves on tomato seedlings

Post  CitizenKate on 4/21/2015, 12:34 am

Second that!  Thanks very much for sharing it.
avatar
CitizenKate

Posts : 782
Join date : 2015-03-20
Location : Northeast KS, USA; Zone 6a

View user profile

Back to top Go down

Re: Yellow/dying leaves on tomato seedlings

Post  slimbolen99 on 4/21/2015, 7:58 am

Are you sure that the plants didn't get too close to the lights? Mine kind of burn off if they get within 1/2" or even touch the bulbs. Something to ponder.
avatar
slimbolen99

Posts : 185
Join date : 2013-01-15
Location : Shawnee, KS

View user profile

Back to top Go down

Re: Yellow/dying leaves on tomato seedlings

Post  camprn on 4/21/2015, 9:24 am

+1 what Turan said. The chlorosis is a clear sign of nutrient deficiency. A shot of liquid fertilizer and there should be improvement in a week. If no improvement, it could be a pH issue.

____________________________

41 years a gardener and going strong with SFG.
http://squarefoot.creatingforum.com/t3574-the-end-of-july-7-weeks-until-frost

There are certain pursuits which, if not wholly poetic and true, do at least suggest a nobler and finer relation to nature than we know. The keeping of bees, for instance. ~ Henry David Thoreau

http://squarefoot.creatingforum.com/t1306-other-gardening-books



avatar
camprn

Forum Moderator Certified SFG Teacher

Female Posts : 14165
Join date : 2010-03-06
Age : 55
Location : Keene, NH, USA ~ Zone 5a

View user profile http://squarefoot.creatingforum.com/t3574-the-end-of-july-7-week

Back to top Go down

Re: Yellow/dying leaves on tomato seedlings

Post  CitizenKate on 4/24/2015, 7:52 pm

Could be some of all of those things.  I forgot to mention to my helpers that the lights needed to be adjusted when the plants get taller, and they did end up growing up into the lights while I was away.  This also reminds me of one occasion when some tomato plants a neighbor was growing turned that yellow color right after a very heavy rain, and it was determined they experienced a temporary iron deficiency due to there being too much water in the mix, which was not draining very well.  The problem cleared up within a day after it was discovered.  The leaves just turned right back to their normal color after the growing mix dried out a bit.

In addition to drying them out a bit by setting them outdoors for a few hours a day, I added some liquid fertilizer to the water, and they're doing better now.  They've all got lots of new growth, and they're starting to green up again.
avatar
CitizenKate

Posts : 782
Join date : 2015-03-20
Location : Northeast KS, USA; Zone 6a

View user profile

Back to top Go down

Re: Yellow/dying leaves on tomato seedlings

Post  freedoms1791 on 4/24/2015, 10:02 pm

@CitizenKate wrote:Could be some of all of those things.  I forgot to mention to my helpers that the lights needed to be adjusted when the plants get taller, and they did end up growing up into the lights while I was away.  This also reminds me of one occasion when some tomato plants a neighbor was growing turned that yellow color right after a very heavy rain, and it was determined they experienced a temporary iron deficiency due to there being too much water in the mix, which was not draining very well.  The problem cleared up within a day after it was discovered.  The leaves just turned right back to their normal color after the growing mix dried out a bit.

In addition to drying them out a bit by setting them outdoors for a few hours a day, I added some liquid fertilizer to the water, and they're doing better now.  They've all got lots of new growth, and they're starting to green up again.
Hi,
What kind of liquid fertilizer did you use?
avatar
freedoms1791

Male Posts : 20
Join date : 2014-10-15
Age : 62
Location : Zone: 5A Northern IL. Gurnee, IL.

View user profile

Back to top Go down

Re: Yellow/dying leaves on tomato seedlings

Post  freedoms1791 on 4/24/2015, 10:04 pm

@CitizenKate wrote:Could be some of all of those things.  I forgot to mention to my helpers that the lights needed to be adjusted when the plants get taller, and they did end up growing up into the lights while I was away.  This also reminds me of one occasion when some tomato plants a neighbor was growing turned that yellow color right after a very heavy rain, and it was determined they experienced a temporary iron deficiency due to there being too much water in the mix, which was not draining very well.  The problem cleared up within a day after it was discovered.  The leaves just turned right back to their normal color after the growing mix dried out a bit.

In addition to drying them out a bit by setting them outdoors for a few hours a day, I added some liquid fertilizer to the water, and they're doing better now.  They've all got lots of new growth, and they're starting to green up again.
Hi,
What kind of liquid fertilizer did you use?
avatar
freedoms1791

Male Posts : 20
Join date : 2014-10-15
Age : 62
Location : Zone: 5A Northern IL. Gurnee, IL.

View user profile

Back to top Go down

Re: Yellow/dying leaves on tomato seedlings

Post  CitizenKate on 4/24/2015, 10:18 pm

I used this, with about half the recommended dosage.
Miracle Gro Liquafeed for Tomatoes and Veggies
avatar
CitizenKate

Posts : 782
Join date : 2015-03-20
Location : Northeast KS, USA; Zone 6a

View user profile

Back to top Go down

Re: Yellow/dying leaves on tomato seedlings

Post  freedoms1791 on 4/24/2015, 10:20 pm

@CitizenKate wrote:I used this, with about half the recommended dosage.
Miracle Gro Liquafeed for Tomatoes and Veggies

Thanks
avatar
freedoms1791

Male Posts : 20
Join date : 2014-10-15
Age : 62
Location : Zone: 5A Northern IL. Gurnee, IL.

View user profile

Back to top Go down

Re: Yellow/dying leaves on tomato seedlings

Post  freedoms1791 on 4/25/2015, 10:57 am

@CitizenKate wrote:I used this, with about half the recommended dosage.
Miracle Gro Liquafeed for Tomatoes and Veggies
Hi,
Did you feed the Roots & Leaves and how much water to Liquafeed did you mix?
Thanks
avatar
freedoms1791

Male Posts : 20
Join date : 2014-10-15
Age : 62
Location : Zone: 5A Northern IL. Gurnee, IL.

View user profile

Back to top Go down

Re: Yellow/dying leaves on tomato seedlings

Post  CitizenKate on 4/25/2015, 12:00 pm

About 1/4 tsp. in a quart of water.  I water the roots only.
avatar
CitizenKate

Posts : 782
Join date : 2015-03-20
Location : Northeast KS, USA; Zone 6a

View user profile

Back to top Go down

Re: Yellow/dying leaves on tomato seedlings

Post  freedoms1791 on 4/25/2015, 12:04 pm

@CitizenKate wrote:About 1/4 tsp. in a quart of water.  I water the roots only.

Thank you
avatar
freedoms1791

Male Posts : 20
Join date : 2014-10-15
Age : 62
Location : Zone: 5A Northern IL. Gurnee, IL.

View user profile

Back to top Go down

Re: Yellow/dying leaves on tomato seedlings

Post  brianj555 on 11/7/2017, 6:36 pm

I
Anyone know what this might be happening?  The trays are sitting right beside each other.  Sowed and transplanted the same day.  



Some look great( middle) some look good (left) some are puny and yellow. (Right)
avatar
brianj555

Male Posts : 312
Join date : 2017-08-22
Location : Zone 9 - Mississippi

View user profile

Back to top Go down

Re: Yellow/dying leaves on tomato seedlings

Post  Scorpio Rising on 11/7/2017, 9:40 pm

Same variety?

Lower those lights until they are millimeter above the growing parts.  Right down on ‘em
avatar
Scorpio Rising

Female Posts : 5459
Join date : 2015-06-12
Age : 55
Location : Ada, Ohio

View user profile

Back to top Go down

Re: Yellow/dying leaves on tomato seedlings

Post  Sponsored content


Sponsored content


Back to top Go down

View previous topic View next topic Back to top


 
Permissions in this forum:
You cannot reply to topics in this forum