Menu Close
Avatar
Log In
Please consider registering
Guest
Search
Advanced Search
Forum Scope




Start typing a member's name above and it will auto-complete

Match



Forum Options



Min search length: 3 characters / Max search length: 84 characters
Search
Register
Register Lost password?
sp_TopicIcon
Leaf Gall Mites
Odd growth on leaf surfaces.
RSS
Avatar
Dubyadee
Puyallup, Washington, USA
248 Posts
(Offline)
1
July 4, 2021 - 6:45 pm
Print

CADDF589-EBC0-4233-8921-6E417CE7224E.jpeg5F5F3501-0267-45EC-BA28-A2EEFB966496.jpegI found plum leaves in North Dakota with odd growths on them. The growths appear as though they are some sort of cocoon but are actually deformed growth caused by the tree’s reaction to gall mites feeding on the leaves. I have seen this to a lesser degree in my own yard in Washington. 

Attachments
Avatar
John S
PDX OR
3018 Posts
(Offline)
2
July 5, 2021 - 8:58 pm
Print

Great visual image, WD.

I think a lot of people have no idea what is affecting their trees until they see a clear picture like this one.

John S
PDX OR

Avatar
jafar
883 Posts
(Offline)
3
July 6, 2021 - 9:59 am
Print

I thought the pear rust structure was nasty.  That looks really disturbing.  I might have to cut that all off and burn it just for peace of mind.

Avatar
Dubyadee
Puyallup, Washington, USA
248 Posts
(Offline)
4
July 30, 2021 - 12:34 pm
Print

I found galls on Lombardy poplar leaf stems in Puyallup. Apparently caused by aphids. The gall is a spiral with small chamber where the aphids live. When you tug on the stem  the gall uncoils. B0DDFDA1-42F0-481A-9132-A2E2F241AF42.jpeg02050016-BDE4-4B5F-8E61-225B7185F2B5.jpeg4C6FF88E-F30A-4BC4-A201-B473D97D58C5.jpeg

Attachments
Avatar
John S
PDX OR
3018 Posts
(Offline)
5
July 31, 2021 - 8:18 pm
Print

Excellent visual explanation, WD.

John S
PDX OR

Avatar
Dubyadee
Puyallup, Washington, USA
248 Posts
(Offline)
6
September 4, 2022 - 5:35 pm
Print

I found a new pest on my Seigerebe grape leaves. I believe that they are grape leaf blister mites. The top surface of the leaves have raised blisters and the bottom side has silk patches, like spider egg sacks. I do not see any of these pests on my seedless table grapes - interlaken, glenora, etc. 

E61FBF9D-8210-45D8-BBED-FB15850099E8.jpeg

Attachments
Forum Timezone: America/Los_Angeles
All RSSShow Stats
Administrators:
Idyllwild
simplepress
Moderators:
jafar
Marsha H
Viron
Top Posters:
John S: 3018
Rooney: 860
DanielW: 519
PlumFun: 495
Reinettes: 429
jafarj: 422
davem: 391
sweepbjames: 263
Dubyadee: 248
jadeforrest: 237
Newest Members:
Sligmatup
jodyplayfair46
herbertmilliken
noaheger72898257
valencia7713
trishalarue3
brainkingsley
rosariaperry651
demetracornell0
terrie4622
Forum Stats:
Groups: 1
Forums: 4
Topics: 2976
Posts: 17355

 

Member Stats:
Guest Posters: 0
Members: 3193
Moderators: 3
Admins: 2
Most Users Ever Online: 445
Currently Online:
Guest(s) 56
Currently Browsing this Page:
1 Guest(s)