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berries

Aliens on serviceberries??

Rebekah Harmon

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Location: 4a, high mountain dessert

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posted 1 year ago

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Hey Permies! Don't get weirded out...... but, there are service berry shrubs growing near my hometown that got a disease last year thats unfamiliar to me. The leaves grew black and yellow spots in the spring, and by fall, these spots formed bumps on the leaf tops and tentacle-like hairs under the leaves. So weird -looking! Like aliens emerging! All of the bushes eventually got it. I want to plant a saskatoon variety in my yard, but I'm worried they will fail from whatever this disease is. Ya got ideas?

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Joseph Lofthouse

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Location: Cache Valley, zone 4b, Irrigated, 9" rain in badlands.

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posted 1 year ago

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At my place, the service berries grow and produce great, even in the presence of the aliens.

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John Weiland

pollinator

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Location: RRV of da Nort, USA

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posted 1 year ago

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We've had the 'rust' aliens as well at times, but never in high enough amount to prevent us getting what we need. Berries can be affected as well, but not in a consistent year-to-year way. You could review some of the different varieties of saskatoon/service/juneberry and see if some have better resistance to the disease if you are in an area highly prone to the disease. See the link below for more info:

https://agsci.oregonstate.edu/nurspest/diseases/gymnosporangium-rust-serviceberry

Good luck!

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Wendy O'Neill

Posts: 26

Location: Argyle, Manitoba, Canada Zone 3

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posted 1 year ago

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https://gardening.usask.ca/articles-and-lists/articles-diseases/disease-saskatoon-juniper-rust.php

I ended up removing juniper galls for a couple of years and pruning back the Saskatoons.

Zone 3 prairie, Manitoba Canada

Robin Katz

pollinator

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posted 1 year ago

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I've mostly seen the fuzzy blobs on plants that are shaded for a good part of the day. The ones in full sun don't seem to get it. Glad to know what they are though. I thought they were a scale of some sort.

Anne Miller

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Location: USDA Zone 8a

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Did your area have an unusually wet spring and then a dry summer?

Invasive plants are Earth's way of insisting we notice her medicines. Stephen Herrod Buhner
Everyone learns what works by learning what doesn't work. Stephen Herrod Buhner

Rebekah Harmon

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Anne Miller wrote:Did your area have an unusually wet spring and then a dry summer?

Yes, Anne, I would say that describes last year in my area. Also, the fish and game flood irrigate it.

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Rebekah Harmon

Apprentice Rocket Scientist

Posts: 853

Location: 4a, high mountain dessert

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posted 1 year ago

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Wendy O'Neill wrote:https://gardening.usask.ca/articles-and-lists/articles-diseases/disease-saskatoon-juniper-rust.php

Yes, Wendy! That is exactly it! I don't know if I could prune them all. There are 100s of both junipers and Saskatoons on the land where I usually pick from. I'm not sure what I could do. Maybe its an every-other year kind of thing?

Being weird is easy. Making it mainstream is hard. Be brave! https://www.youtube.com/@healthygreenbrave

D Tucholske

pollinator

Posts: 373

posted 1 year ago

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The easiest way to make those go away is getting a bit of copper & burying it close to the base of the tree. Don't use pennies. There's so little copper in the modern ones, I had to use about 3 & the problem came back the following year.

Anne Miller

steward

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Location: USDA Zone 8a

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Anne Miller wrote: Did your area have an unusually wet spring and then a dry summer?

Rebekah said, "Yes, Anne, I would say that describes last year in my area. Also, the fish and game flood irrigate it.

Those conditions set that plant up for several things happening all of which were fungal.

Black spot and the Gymnosporangium rust.

The remedy for both black spots and Gymnosporangium rust is to use a fungicide.

I also have read as recommended above to plant some copper.

This is what I use for fungal situations:

https://permies.com/t/93537/toxic-Fungicide#1423936

Invasive plants are Earth's way of insisting we notice her medicines. Stephen Herrod Buhner
Everyone learns what works by learning what doesn't work. Stephen Herrod Buhner

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