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Onion Experiment


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tagwex
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PostPosted: Sun Jul 03, 2016 8:58 am    Post subject: Reply with quote

It is not a pond. It is a sceogh!
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Lius
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Location: Ballinteer, Dublin

PostPosted: Thu Jul 07, 2016 10:47 am    Post subject: Reply with quote

Ok guy's CONCENTRATE, back to the Onions.

I experimented with planting my overwinter (Red Barron) onions last October on the most favourable Lunar day.

The have all still bolted, WHY? WHY? WHY?
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Sue Deacon
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PostPosted: Thu Jul 07, 2016 12:55 pm    Post subject: Reply with quote

I know it is a daft question - considering the rain we have had lately, but were they dry for a week or so early in the season? I have lettuces that went from seedling to bolting. The only thing I can put that down to is the dry spell we had earlier in the year (you know, 'Summer' Rolling Eyes ) I may not have watered them enough.
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Lius
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PostPosted: Thu Jul 07, 2016 2:18 pm    Post subject: Reply with quote

Sue,

There have been many dry spells since last November but my onions bolt every year.
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Keeks
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PostPosted: Fri Jul 08, 2016 8:49 am    Post subject: Reply with quote

As much as i know (and thats not a lot) plants bolt when there are under stress i.e I'm going to die soon so I need to pass on my genes and sow my seed

So there must be something threatening them. Again as much as i know onion will bolt if
1 - its too cold
2 - its too dry

I cant think of any other reasons
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tagwex
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PostPosted: Fri Jul 08, 2016 8:57 am    Post subject: Reply with quote

My 'onion experiment' this year is to grow them in the greenhouse, for reasons explained elsewhere, along with sweetcorn. So far so good.
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Sue Deacon
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PostPosted: Fri Jul 08, 2016 9:03 am    Post subject: Reply with quote

Keeks wrote:
As much as i know (and thats not a lot) plants bolt when there are under stress i.e I'm going to die soon so I need to pass on my genes and sow my seed

So there must be something threatening them. Again as much as i know onion will bolt if
1 - its too cold
2 - its too dry

I cant think of any other reasons

That sounds about right! Smile

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Sue Deacon
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PostPosted: Fri Jul 08, 2016 9:06 am    Post subject: Reply with quote

Tagwex - as sweet corn is wind pollinated I'd be interested to know how that's going.
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tagwex
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PostPosted: Fri Jul 08, 2016 11:29 am    Post subject: Reply with quote

I leave the door open to let the bees and flies in plus I give them a good shake now and again. Pods are starting to swell.
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Its my field. Its my child. I nursed it. I nourished it. I saw to its every want. I dug the rocks out of it with my bare hands and I made a living thing of it!

This boy can really sing http://youtu.be/Dgv78D2duBE
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Blowin
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PostPosted: Sun Aug 07, 2016 5:33 pm    Post subject: Reply with quote

For some reason I've been unable to attach a photo, but Tagwex is going to send it after this.

My crop of onions is now ripening and the pic shows them with a few dog food cans here and there to compare size. Still no sign of a seed head anywhere, even on the reds to the left that went in later and weren't part of the experiment.

I can take no credit for any success with this as my intention was to purely avoid weeding. However, if any of the brains on the forum can put a bit of science with it, I'd be grateful. Now, hopefully, Tagwex will be able to forward the pic.

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tagwex
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PostPosted: Sun Aug 07, 2016 7:44 pm    Post subject: Reply with quote

I figured it out Blowin, the photo was 2.591mb. The maximum is 1mb per photo. Why your computer told you it was an empty file is beyond me but It has happened to me before. I just close every window and start again, that works for me.


ONIONS.JPG
 Description:
 Filesize:  124.38 KB
 Viewed:  2630 Time(s)

ONIONS.JPG



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Its my field. Its my child. I nursed it. I nourished it. I saw to its every want. I dug the rocks out of it with my bare hands and I made a living thing of it!

This boy can really sing http://youtu.be/Dgv78D2duBE
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Sue Deacon
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PostPosted: Sun Aug 07, 2016 8:06 pm    Post subject: Reply with quote

An impressive crop. Well done that man! Very Happy
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Good guy
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Location: Donegal

PostPosted: Sun Aug 07, 2016 11:35 pm    Post subject: Reply with quote

Well done indeed. In recent years my onions have been disappointing, so I haven't bothered this year. Given the lack of sun and heat, it's just as well, I think.
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Blowin
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PostPosted: Mon Aug 08, 2016 4:52 am    Post subject: Reply with quote

Thanks Tagwex and others. I can only assume the pic - taken by Management on her tablet - had some sort of increased resolution than my ordinary camera that 'I've used for previous attachments? However me no nuffink but, if there IS some science at work, I'm wondering whether it could be applied to other crops.
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Keeks
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PostPosted: Tue Aug 09, 2016 6:46 pm    Post subject: Reply with quote

It will probably be hard to give a definitive answer to this since you are probably trying to compare results year to year where a lot of environmental variables would need to be taken into account, are the beds fertilised the same each year, are the onions set the same quality each year etc and anyway the results can be very subjective.

Ideally to get the best idea would be to run two plots side by side and have one with the weed fabic and one without. This would give a better idea if the experiment was a "true" success.

But anyway that wont stop me speculating 😀

With my limited gardening knowledge two things come to mind.

The fabric would have heated up the soil which could have speed up the growing or give a longer growing time.
The second is with the lack of competition with weeds the onions sets would have had more access to nutrients and sunlight.

My thoughts anyway.
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