Tomato leaf spotting caused by magnesium deficiency?

Tomato    State College, PA

This is a beefsteak tomato plant. Which nutrient deficiency or pest damage would produce the yellow blotching in the above pictures? The context is: 2 days after transplanting, large healthy plants, fertile garden soil, variety is beefsteak, and these leaves are the lower leaves - the upper...

Asked by: Annie Klodd (2 points)   Posted:June 6, 2016

3 answers    741 views

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How do I growing tomatoes in hanging baskets?

Tomato    Zone 7B

I would like to grow some cherry and/or grape tomatoes in hanging baskets. What exactly does this involve? Do I just need to fill the basket with regular potting mix and transplant my seedlings. Will the plants naturally grow downwards from the basket or is it more complicated than that?

Asked by: cara smith (3 points)   Posted:April 16, 2013

3 answers    10119 views

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When is the best time to apply mulch?

Tomato    None Given

I have ground up mulch from lawn, leaves, tree branches and bush prunings. Do I put this on the garden now or in the spring?

Asked by: merton (1 point)   Posted:September 9, 2013

4 answers    3296 views

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Curly top virus in Tomato

Tomato    None Given

How can I get rid of curly top virus on tomato plant?

Asked by: Bill (2 points)   Posted:April 10, 2016

2 answers    492 views

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Controlling marmarated stink bug organically

Tomato    143 Saxton Lane Walker Valley NY 12588

have we gotten any closer in controlling the stink bug in the New York State, organically?

Asked by: Linda Borghi (1 point)   Posted:April 17, 2013

1 answer    1754 views

Stem rot symptoms were seen on greenhouse-grown tomato during the 2017 winter

Tomato    Italia

Affected tomato plants showed darkening of the stem and a severe stem rot symptoms. I think it's a bacterial disease... Which bacterium causes these symptoms? It is the first time that we observe this symptom. What can cause such disease?

Asked by: Dr. Raffaele Giurato (6 points)   Posted:April 18, 2017

3 answers    569 views

Tomato transplants 23 days after sowing shows black spots on cotyledon leaf.
Could be a bacterial disease?

Tomato   

My 23 days old tomato seedling cotyledons exhibit spots like chemical burn or bacterial. Please help me in identifying the problem.

Asked by: Jorge Hernandez (1 point)   Posted:May 12, 2017

1 answer    372 views

Yellowing tomato leaves

Tomato    None Given

We have 4 tomato plants and they started to slowly die. The first plant that died started to have yellowing leaves and within days the whole 4 foot plant was dead. Now we're noticing our other plants facing the same fate. 1. What is happening to them? 2. Can we stop it? 3. How do I stop this from...

Asked by: Molly (1 point)   Posted:July 12, 2016

1 answer    1000 views

Holes and yellow marks on a tomato leaf
Holes and Yellow Marks on Tomato Leaves

Tomato    New Zealand

Hi! I'm a very new gardener, so anything that's out of the ordinary will definitely worry me. I've noticed that some leaves have yellow marks, and some of those also have small holes in it. Please tell me if it's anything serious, and what I can do about this. Thank you all!

Asked by: Naomi (1 point)   Posted:November 5, 2017

1 answer    371 views

symptoms on tomato leaves
Tomato problems

Tomato    None Given

My tomato is producing well, well fertilized , well watered but: 1. some leaves are turning purple, does this look like calcium deficiency to you? 2. some have what looks like a disease but I can't tell what the white stuff is, it's not mildew 3. some have what looks like sun burn but its...

Asked by: reem (9 points)   Posted:March 17, 2015

3 answers    1612 views

red plastic around tomatoes
red mulch or plastic for tomatoes

Tomato    None Given

I have heard of people using red mulch or plastic sheet around tomato plants to help ripen the fruits. Does this really work? I would like to hear from people with experience of this before I go coloring my garden! I manged to find a picture which I will try to upload

Asked by: Vicki Albright (2 points)   Posted:May 8, 2013

2 answers    2667 views

Infected tomato fruits

Tomato    ICRISAT, India

I have doubt about these pictures. Is this Bloosm end rot of Tomato?

Asked by: Chandramani Raj (1 point)   Posted:June 28, 2016

3 answers    668 views

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When to move tomatoes to the garden

Tomato   

When should I move my tomato plants into the garden? I started from seeds and all my plants are quite tall now but I’m not sure when to plant. I’m in Southern California.

Asked by: Fred Johnson (3 points)   Posted:February 1, 2013

4 answers    4633 views

Tomato plant infected with Septoria lycopersici.
Septoria on tomato leaves

Tomato    None Given

We have high incidence of septoria on tomato crop this year. It is not helping us even after spraying fungicide. Please provide more information on the disease and its control measures.

Asked by: mer sanjay (1 point)   Posted:August 6, 2016

4 answers    953 views

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Tomato Pruning

Tomato    None Given

Does pruning your tomato plant open up the possibility of fungal diseases? If so, what is the best prevention treatment?

Asked by: Robert Poole (1 point)   Posted:May 10, 2017

1 answer    375 views

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White paste substance on tomato

Tomato    ohio

Some tomatoes have a white paste substance coming out of cracks. what is it? Other tomatoes appear to be okay. I have five tomato plants growing.

Asked by: steve (1 point)   Posted:August 21, 2015

2 answers    1044 views

Is it a bacterium?
Dataset

Tomato    Mexico

Good morning. I am a student at the National Center for Technological Research and Development (CENIDET) in the State of Morelos, Mexico. I would like to know if I can obtain the Clavibacter michiganensis subsp databases. michiganensis (bacterial chancre of tomato), Xanthomonas vesicatoria...

Asked by: adán (1 point)   Posted:May 8, 2018

1 answer    153 views

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Tomato seeds not germinating

Tomato    Fort Worth, Texas

I am having a problem in germinating the tomato seeds. First, I tried by placing seeds inside the paper towels and later in tiny individual pod trays but no result. Now I am thinking to buy the seedlings which seem to be a good deal. My question is what went wrong and which is the best way to...

Asked by: RJ Bishop (1 point)   Posted:May 16, 2017

3 answers    561 views

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Tomato plants turning white

Tomato    South Carolina

I have a question about my tomato plants. I transplanted them about a week ago and after a few days I noticed that one of them was turning bleached looking and white. Over the next few days all of the plants began to look the same. I'm at a loss, this has never happened before. The plants were...

Asked by: Simon (2 points)   Posted:May 28, 2013

3 answers    6511 views

Tomato plant leaves
Tomato plant issue

Tomato    None Given

I have some tomato plants that developed a problem. I checked your website's pictures but not sure what is the cause. See the picture I attached .

Asked by: Mirella (1 point)   Posted:April 2, 2016

1 answer    574 views

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Curling leaves on tomato plants

Tomato    None Given

A couple of the tomato plants in our garden have mishapen, curly leaves. Can anyone suggest the cause and remedy? I live in Brisbane Australia - which is a subtropical climate.

Asked by: Heidi (1 point)   Posted:June 3, 2014

2 answers    1587 views

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Tomato leaves drying at edges

Tomato    None Given

my tomato plant is doing good but the leaves started have started drying at the edges and it is spreading inwards. I haven't added anything other than pure water. it has no diseases or pests at all. I'm watering every other day and its not in full sun light

Asked by: reem (9 points)   Posted:January 26, 2015

1 answer    1236 views

Bean and tomato problem

Tomato    None Given

Not sure what's causing the leaf changes. Is it lack of fertilizer or a disease

Asked by: Doug phillips (1 point)   Posted:June 22, 2016

2 answers    710 views

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Tomato varietals for beginners

Tomato    State College, PA

What tomato varietals are ideal for a beginning tomato grower? And if they are similarly easy to grow, which varietals are best for flavor?

Asked by: Lauren Quevillon (2 points)   Posted:February 9, 2013

5 answers    3272 views

tomato problems

Tomato    georgia

Seedlings are temperature protected, treated with fungicides ( "PREVIKUR ENERGY"). What is this disease what can be done?

Asked by: Agro Migros (agrochemical company) (1 point)   Posted:March 6, 2016

1 answer    539 views

Yellowing Of tomato leaves and some leaves have necrotic areas
Tomato Problem

Tomato    None Given

What could be problem causing wilting and yellowing of the tomato plants?

Asked by: Martha Muli (1 point)   Posted:May 22, 2017

2 answers    415 views

Close up top of plant
Tomato Leaves Curling

Tomato    Long Island, NY

New homeowner and new to forum.  First attempt at a garden.  Any help would be much appriciated. One of my tomato plants has stopped growing and the top leaves are curling and feel coarse or dried out. Could this be due to weather/watering or is this most likely a diseased plant? Are...

Asked by: Chris (2 points)   Posted:June 23, 2015

2 answers    1445 views

Tomato disease or pest

Tomato    Chuka,Kenya

tomato plant in the green house. Yellowish brown leaves, browning at the edges. Middle leaves more affected

Asked by: D Kaburu (1 point)   Posted:September 12, 2018

1 answer    44 views

Black leaves of bell pepper infested by possible whitefly and aphids.
What kind of insect damage?

Tomato    None Given

I saw an insect infested field. A lot of bugs under the leaves (eggs, nymphs, adults). Heavy damage to entire crop and the fruits are not developing properly. What kind of insect damage it is?

Asked by: Erick (1 point)   Posted:August 17, 2016

1 answer    561 views

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Is it too late to start tomato seeds?

Tomato    OH Zone 6

I found some seeds I saved from last years tomato plants that I had completely forgotten about. I'm in zone 6 and have started planting other seeds a few weeks back. Am I too late to plant my tomato seeds now and if so will they be still be viable next year?

Asked by: Rosemarie (2 points)   Posted:April 11, 2013

3 answers    4530 views