My raspberries don't like me!

mersiepoo(6)June 29, 2011

I've been so nice to them (except for not weeding them), given them lots of chicken manure, lime, hay, etc. And they produce crumbly berries every single year! I thought maybe it was not enough pollination, but the black raspberries are doing just fine as always. I'm ready to mow them all over and forget about 'em. That'll show them! I've had them for years too, and never got a decent crop. They hate me! The soil isn't bad and they get enough sun. I believe they are 'red latham'. They are terrible, I got a lot of berries, but they crumble when you pick them and there are hardly any 'berry' on them to begin with. Help help help!!

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silverwind(z5 IL)

You know... I don't know what it is, but I've had the same problem. Same variety, even! The occasional one or two berries that actually set well and ripen look great, but they fall apart if you glance at them funny and always taste 'off'. I doubt it's the soil in this case, either; I've not done so much extra amending as you (just some composting and mulch, same as everything else here gets), and other items in the space do just peachy.

The wild ones we have in other parts of the yard always do pretty well, and this year they're going gangbusters! I may just rip out the last of the Reds and let the wild ones have the room. They'll probably make better use of it. *sigh*

    Bookmark   June 29, 2011 at 5:33PM
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I know...though after writing this a few days later I noticed some decent looking ones, but they are always so small! Is that typical of that variety? Then I wonder if maybe a virus would be doing it? Other than that, they seem to look healthy. I have some sort of cool looking 'weedy' raspberry fruting now, it's in clusters and is a bit 'sticky' to the touch, but they taste great, they start out yellow and turn red. Heck, I may just put them in instead, they grow like crazy too!

    Bookmark   July 5, 2011 at 7:24PM
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glenn_russell(6b RI)

I'm sorry to hear that. I hadn't commented previously because I don't grow Latham.
Was the chicken manure composted first? Or was it just straight manure? Perhaps just try simple compost next year to see if that helps?
I think either way, I'd plant another variety to see if that helps. Perhaps a really strong variety like Prelude.
As I mentioned in another post, it sounds like you have Wineberries as the other plant you mention.
Best regards,

    Bookmark   July 5, 2011 at 8:30PM
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I'll BET they need lots more water. They need 1-2" per week.

    Bookmark   July 6, 2011 at 5:02PM
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We have the same crumbly raspberry problem, but ours are not Lathams, they are Cambie variety. We have had so much rain this year that the problem can't possibly be not enough water. They've been like this for years, is it maybe that the canes are too old? Ours are 12 to 15 years old, they look very healthy, tall canes, big leaves, nice dark green colour.

    Bookmark   July 19, 2011 at 9:52PM
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Raspberry leaf curl virus can cause the fruit to be small, crumbly, and seedy. Do the leaves look strange? I'm guessing it might be due to too much rain or it's just a characteristic of the variety (never grown that variety myself).

Here is a link that might be useful: My Garden

    Bookmark   July 19, 2011 at 10:05PM
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I had a two varieties (Nova & Prelude)of early red raspberries that after a few years of good production began to produce crumbly berries. My extension agent suspected Tomato Spot Rust Virus, vectored to the roots of my plants by the dagger nematode. She took soil samples to run a nematode assay, sent them to Va Tech and the lab techs found that my soil was infested with dagger nematodes. I had to dig all the plants up and throw them out. Once a red raspberry has a virus, it never loses it. You have to destroy the plants and find a planting location where there are no dagger nematodes.

    Bookmark   July 21, 2011 at 5:58PM
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The Cambie variety mentioned above is likely "Canby".

    Bookmark   July 22, 2011 at 12:37AM
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