For questions related to plant diseases.

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3
votes
1answer
70 views

Why are my morning glories stunted/deformed?

I planted some morning glory vines (Ipomea sp.) outdoors in a box about 10 weeks ago (mid-March, I'm in Zone 8) and they've been underperforming the whole time -- the vines are not even a meter long, ...
6
votes
0answers
32 views

How do I eradicate Pseudoperonospora cubensis on roses?

I have some roses that look like they are infected with Pseudoperonospora cubensis. I currently do not know how to treat this disease and would like a course of action. I have not applied any ...
5
votes
0answers
36 views

Unhealthy plant with dark spots on leaves

See attached plant. Leaves seem to have some issue as identified by dark spots. Any idea what could be wrong?
4
votes
0answers
47 views

How to start over-pachysandra decimated

I had a beautiful, thick, well established patch of pachysandra in my yard that is now decimated. To put it mildly, I don't have a green thumb and since I have a full time job and three young kids I ...
4
votes
0answers
34 views

Is this the tomato potato psyllid?

I noticed these sugary white granules on my tomato leaves a couple of months ago, and saw some insects which I thought were aphids but didn't look closely. Now it looks as though my potatoes are ...
3
votes
0answers
74 views

Beet plant - leaves turning yellow-brown

I have a beet plant that I grew from seeds. They started off great and healthy. In fact I plucked some leaves to use in a salad. After that some of the leaves are turning yellow and drying up. What ...
3
votes
0answers
205 views

What is causing brown spots on my mint plant?

I have been rooting my mint in water and it rooted, then I found those brown spots appearing. It happened with all the mint plants I had before. I am in Egypt, and it gets morning sun and no afternoon ...
2
votes
0answers
59 views

Plants Fungus Infection

I am new to garden and I have a tomato plant that is infected by fungus. I would like to ask how fungus infects the plant? Does the disease affect the soil, plant or both?
1
vote
0answers
34 views

Brown spots appearing on roma tomato leaves

Three weeks ago I bought a roma tomato plant from Home Depot. It was probably about 8 inches tall. Since then, it was in my apartment for a few days and then my friend's apartment for about two and ...
0
votes
0answers
10 views

Is my tree diseased? Can I cure it?

I have a two-year-old apricot tree about six feet tall growing in a salvaged water tank. Many if not most of the leaves have one or more of little "blisters" on their stalks, as shown below (each ...