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Wild Things Farm

  (Crab Orchard, Tennessee)
Farm life adventures of the Happy Hoer
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Colorado Potato Beetle Blues

Does this insect not have any natural enemies besides humans?  The decision was made that this year the potatoes on the farm would be grown totally organically.   In years past I've always used a little conventional insecticide on the potatoes just so I would have some.  This year I'm experimenting.

Have you ever seen organic potatoes in the store?  I mean think about it....ever?  I haven't.  These potatoes were fertilized with organic manure and hundreds of bugs hand picked and squashed.  I'm able to squash a potato bug larvae with my bare fingers now.....I think that means something in the gardening community.  Well, maybe not an official title, but my nanny used to squash bugs with her fingers and I thought it was gross.  It's really not....it's just handy sometimes. 

In one of the patches I walked through yesterday there were literally HUNDREDS of potato bugs on the plants.  I knocked them off with the magic bug smacking wand (sprayer nozzle) into the pathway, sprayed them with rotenone/pyrethrum, them stomped them.  I realized that in my fit I was killing them twice.  Okay, stop panicking--the potatoes in the rear bluff garden are doing okay--if I keep diligently spraying them. 

I think the price of organic potatoes should be based on the price of gold.  There's probably just as much work goes into producing a bushel of potatoes in spite of this evil beetle as there is to mine more than an ounce of gold. 

Tomorrow the potatoes are getting sprayed with neem oil then dusted with diatomaceous earth.  We'll see how the beetles like that congloberation.

So far, this has been a pretty buggy year.  At least it isn't raining every day like it did last year!

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Comments:

Thanks! I'll sure give it a "shot".

Posted by Terry Brooks on June 06, 2010 at 02:20 PM CDT #

We use a floating row covers. Once the plants get established, about a foot and half tall, they are able to withstand damage caused by the beetles.

The other preventative measure is to never plant potatoes in the same place from one year to the next.

Posted by Brian on June 07, 2010 at 07:30 PM CDT #

We take a bucket into the feild with a bit of water and olive oil in it We start early in the season checking for adult beetles as soon as the plants emerge as well as the undersides of the plants for yellow/iorange egg clusters . We smack the plant over the bucket as they get biggger and then check under the leaves. We do this once a week and soon we are almost bug free . The bucket stays in the feild fermenting the bugs . Some varieties resist the bugs better We noticed this year a ton of tarnished plant bugs that hatched in the orchard and spread all over the gardens We had few bean beeetles or potato bugs this year but still plenty of japanese beetles . I read that milk and honey works for them but think it needs to be raw milk and raw honey (the real thing! ) We have about an acre in garden so I don't have time to do a lot of bug suquashing . We rarely spray even organic sprays . Building your soil and rotation helps a lot.

Posted by Sharon Carson on July 13, 2010 at 06:30 PM CDT #

Try planting alternate rows of potatoes and bush beans. The bush beans repel the Colorado potato beetle, and the potato repels the Mexican bean beetle. A very handy combination of 'companion planting'.

Posted by John on August 01, 2010 at 01:42 AM CDT #

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