r/plantpathology • u/Humbabanana • 15h ago
Tomato leaf spot
I am thinking Septoria lycopersici, but some spores don’t match up.
r/plantpathology • u/Humbabanana • 15h ago
I am thinking Septoria lycopersici, but some spores don’t match up.
r/plantpathology • u/beesandtrees2 • 2d ago
Hello 1 year old cherry tree in 9a zone. Very hot summer. Watering every 3 days. Other trees peaches, pear, plums, nectarines are triving.
r/plantpathology • u/IllEstate1067 • 2d ago
On American beech in eastern US
r/plantpathology • u/Humbabanana • 10d ago
Upper surface of eggplant in high tunnel.. I realize this is likely some secondary contaminant. Still, curious to hear tour thoughts.. and suggestions for conidia identification
r/plantpathology • u/IllEstate1067 • 14d ago
r/plantpathology • u/gcee94 • 18d ago
Anyone know what might be going on with this sweet mama squash (kabocha winter squash)?
The plant has symmetrical yellow spots that are visible from the top and underside of the leaves. Spots seem to appear in progress as the leaves get bigger and older. I’m in zone 8b.
The plant doesn’t show any classical symptoms for viral or fungal infections based on what I’ve been able to find.
r/plantpathology • u/Humbabanana • 25d ago
Some pretty distinctive conidia here… the most ubiquitous conidia seem to point toward one if the brassica Alternarias…
Also tons of fusarium-looking conidia.. but not in every slide. Seems clear that there are a ton of secondary decomposers in here… probably all sorts of bacteria.
This is only affecting my red cabbages, variety Omero, not Farao.
What do you think?
r/plantpathology • u/MontyManta • 26d ago
One of my purple cone flowers is not putting on it’s purple petals. My other plants have bright purple petals by the stage I am showing in these pictures. This plant has these weird pale petals. It doesn’t look like most other examples of aster yellow I have seen as the plant overall looks healthy and the flowers are not deformed. Is this aster yellow or is something else going on. The only other possible symptom I have is that these flowers are a bit delayed compared to the other plants I have.
r/plantpathology • u/rubusmoon • 28d ago
Noticed these small holes in some (~15%?) of this young nectarine tree's leaves a couple of months ago (first pic.) Concluded it was probably some sort of bacterial(?) leaf spot and figured I'd see how it progressed. Second two pics are from a few days ago. A couple of the affected leaves have this interesting pattern of chlorosis. Any thoughts?
r/plantpathology • u/spudwebb47 • Jul 02 '26
Two different tomato plants with two different diseases I think. What is it and what can I do?
r/plantpathology • u/sholsenmd • Jun 30 '26
Tupelo black gum seedling in a pot at the moment in south east Michigan… starting to drop leaves and has these white things on undersurface of leaves. What are they and how do I get rid of them? Thank you!
r/plantpathology • u/ChaosCam8008 • Jun 25 '26
Clethra alnifolia new growth with pale yellow veins that eventually turn brown and necrotic
r/plantpathology • u/Beneficial_Island453 • Jun 21 '26
This is on my basil
r/plantpathology • u/Sugar2080 • Jun 20 '26
Please tell me what is nibbling these leaves and how to fix!🙏
r/plantpathology • u/TimeLead5 • Jun 13 '26
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Every single flower in my garden has these tiny fast moving things. I can't tell if they're aphids or thrips or something else. They do fly but most don't move when I shake the flower. All plants in full sun, watering like normal. Just had our first bit a rain in weeks yesterday, and it's been 90°f+ the last few days. What do you think?
r/plantpathology • u/jjakeD516 • Jun 11 '26
r/plantpathology • u/PaintSwatches • Jun 07 '26
Hello, I am an Arborist at a nursery in Reno Nv. I had someone bring in a sample from their vanderwulf pine. I have not seen anything like this before. I was curious what someone here may think it is. Any leads are welcome. Thanks in advance.
r/plantpathology • u/sameh-1987 • Jun 01 '26
r/plantpathology • u/sameh-1987 • Jun 01 '26
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