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mojavebob

Mysterious IPM

17 years ago

With all the bad news passing through, I thought I would share a happy story. Four days ago I noticed some oddly sparkling leaves on Corno di Toro plants near several tomatoes.

On a side note Cal Wonder Bells, the Cornos and Serranos have been extremely productive here. Off a dozen Serranos I've harvested over 150 peppers and they're still going strong. They're almost a nuisance at this point and I wish I planted more tomatoes and less peppers.

So, on inspection the sparkling leaves reveal an advanced Whitefly infestation, eggs, little guys, mature flies, all of them going strong and moved in heavily on a couple plants while spreading to several others.

Phooey.

I inspected everything in the area and found some on the maters but mostly they were going after the pepper plants. I know it's just a matter of time before this gets out of control, but I've been too busy and lazy to do anything about it, besides give it lots of thought.

Spraying seemed like such a headache. Taking out the bad plants was my plan for this afternoon. Maybe I would spray something besides water later. I don't need extra peppers at this point.

So, I just went and checked out the problem area. The honeydew sparkling stuff remains, but some unidentified beneficial feasted while I contemplated doing something. I cannot find any eggs and just a few mature whiteflies in the deepest tomato foliage. I have skimmed one mature green lacewing from the pool, and I haven't seen a single ladybug this year. Any thoughts on who or what my friend could be? I was going to put sticky cards out to try and get the remaining adults, but decided to remain lazy since something else is on the job.

This was a happy discovery-- Mysterious integrated pest management. The two plants with the worst of it were droopy and sorry looking. They're nice and perky this afternoon.

If you prefer bad news, the grasshoppers who waged a world war with me this spring before vanishing left their children in my custody.

Comments (8)

  • 17 years ago

    It's your Secret Santa.

  • 17 years ago

    It was a "PHANTASM".

    You know, the same thing that causes interstate highway blockages and extreme slowdowns, except when you finally get up to the point where the blockage should be, there's nothing there.

    Ted

  • 17 years ago

    Periodically we have serious problems with grasshoppers and the thing that I have found most effective is Semaspore bait which contains live Nosema Locustae. It is organic and affects nothing but the grasshoppers and will affect them for several generations.

    Bets

    Here is a link that might be useful: Nosema Locustae

  • 17 years ago

    Not sure what your local insects are, but my hero this year was the hoverfly. They ate up tons of aphids on my plants - and they are also rumored to eat whiteflies - although I've not had any problem with them yet.

  • 17 years ago

    Thanks bets, but you just don't know my grasshoppers.

    I suspect it was them who sprayed the whitefly in order to get more ripe fruit later. I'm pretty sure they arrived in a spacecraft. They would probably gather the Nosema Locustae and use it on their smaller rivals, {{gwi:1370350}}

  • 17 years ago

    homegardenpa, I think you called it. I'd never heard of hover flies before, but I googled some images and sure enough I've been seeing them quite a bit on that side of the house. I thought they might be a pest, or at least a nuisance fly. I hate flies. Well, I used to. ;)

  • 17 years ago

    I have had something similar--I kept finding what looked like sucking damage and then it just stopped. The only thing I seem to have is bazillions of these tiny metallic fly majiggers (highly technical term), not sure what they are but could they be a predator? I had some ladybirds visit but it was brief, I was suspcious of them, would they be here if there was no food? The yard outside of the veg patch is a mess, I was expecting that there was lots of nasties being harbored.

    Maybe there is something to laissez-faire pest control, it all works itself out in the end? Or am I rationalizing being just plain lazy.

  • 17 years ago

    "Maybe there is something to laissez-faire pest control, it all works itself out in the end? Or am I rationalizing being just plain lazy."

    I don't know, I really do think there is something to be said about letting things work themselves out. I originally had an aphid problem and leaving them alone let their population increase... Once their population got high, things that eat aphids said "Hey, get over here! It's a free lunch!". Now I have very few aphids.

    It's a bit hit or miss, obviously, but usually when nature sees an imbalance, it generally works itself out... Sometimes it needs a little help, but not much where I'm at, apparently.

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