4
votes
1answer
71 views

What's affecting this tomato plant?

Can anyone tell what's wrong with this tomato plant? Is it disease or deficiency? My areas been having issues with late blight the last few years. One spot seems to have a concentric circle around it ...
4
votes
3answers
168 views

Are my tomato plants damaged by a chemical or a disease?

Most of my tomato plants have started showing signs of what I think is Cucumber Mosaic Virus. I have shoestring, fernleaf, and curling leaves. They also have a leathery appearance. At first I thought ...
2
votes
1answer
33 views

What are these white streaks on my tomato plant?

I've also seen similar streaks on my basil's leaves but not as pronounced.
3
votes
1answer
56 views

Tomato Disease treatment

My Tomato leaves are getting Yellow. I assume it some sort of disease. Until now I just tried to spray garlic on them, but it does not help. How can I treat it?
4
votes
2answers
47 views

Why are my plants doing badly for the 2nd year in a row?

I live in Marin Co. California, where summers have been mostly hot and dry, winters mild with rain. All my plants are in pots, excepting the trees that were already here when we moved in 15 years ...
2
votes
1answer
83 views

Is green tissue in the center of cherry tomatoes related to 'Yellow Shoulder Disorder'?

I've read about the "Yellow shoulder disorder" in tomatoes, and I was wondering if I have something similar going on with my cherry tomatoes. Some of them do indeed seem a little less colourful on ...
6
votes
3answers
2k views

Sudden Outbreak of Yellow Leaves on Tomato (and Other) Plants

My mother was in a panic this morning. She called me over to help her with her garden because many of her tomato plants had suddenly developed yellow leaves, many of which (but not all) also have ...
4
votes
1answer
185 views

What is this opening on the bottom of my tomato plant's stem?

I'm trying to grow my own tomatoes from seed, and they're getting quite big now. So naturally, the first problems start to pop up. Like this: Can anyone tell me what it is, and if I can do ...
6
votes
2answers
182 views

How to prevent rotten end of tomatoes [duplicate]

Possible Duplicate: What else besides calcium deficiency could be causing tomato blossom end rot? Each year my tomatoes develop a brown rotten area on the bottom of the fruit. I always add ...
8
votes
1answer
652 views

Why do my tomato leaves look powdery?

I have a threesome of tomato plants planted in on my porch. All three have some leaves that seem to be a bit white and powdery. One of the leaves has even started to turn a bit brown. I don't think ...
11
votes
3answers
783 views

What else besides calcium deficiency could be causing tomato blossom end rot?

I've been using "Tomato Maker" (4-2-6) fertilizer, which supposedly has enough calcium to prevent blossom end rot, but I'm still getting blossom end rot on my super marzano tomatoes (no BER problems ...
13
votes
1answer
485 views

tomato plant rotting from the inside — what's going on?

I have a hydroponic garden in a greenhouse in my yard. Everything was going just great until today when I noticed that one of the 7 or so tomato plants (the biggest one in fact) was looking rather ...
11
votes
2answers
3k views

Why have my tomato leaves started yellowing at the base?

One of my tomato plants (Better Boys if that matters) has a few leaves that have started yellowing on the lower branches. Not sure if they aren't getting enough water, or if they are diseased or what. ...