0
points
Tomato Plant Symptom (bronzed leaf and then die)

Tomato    Penn State University- State College, PA

One of my research tomato plants in the greenhouse is showing a weird symptom that I am not sure of what it is. The leaves are getting bronzed before they dry out and die (see attached photos). The flowering and fruit is not affected and it does not seem like it is spreading to other plants neighboring it. There is no spider mite web or spider mite spotted either.
Anyone has an idea of what it might be?


Posted by: Mengyuan (Maggie) Jia (1 point) Mengyuan (Maggie) Jia
Posted: January 5, 2016


Kelsee Baranowski commented,
Maggie, it's probably a good idea to take a sample to the diagnostic clinic to see what's going on under the scope
about 3 years ago.

Mengyuan (Maggie) Jia commented,
Thank you Kelsee, I am waiting for our campus plant clinic to open next week and I just wanted to see if anyone here has an idea while I am waiting :)
about 3 years ago.



Answers

1
point
I suspect it is russet mite damage. Use the hand lens to spot whitish- yellow and pear shaped mites.


Posted by: Dr. Ravishankar Narayana (6 points) Dr. Ravishankar Narayana
Posted: January 5, 2016


Mengyuan (Maggie) Jia commented,
Thank you for your answer, but I didn't spot any mite on my plant.
about 3 years ago.



1
point
I agree with Ravi, that is classic russet mite symptoms


Posted by: Johannes van Dyk (2 points) Johannes van Dyk
Posted: March 1, 2016




0
points
This is just a guess, but this has some of the look of tomato spotted wilt virus, spread by thrips.


Posted by: Charlie B. (84 points) Charlie B.
Posted: January 5, 2016


Mengyuan (Maggie) Jia commented,
Thank you for your answer. I will look up TSWV.
about 3 years ago.



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