insects in or not PT

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smellykipper

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insects in or not PT
« on: April 13, 2014, 20:14 »
Do you guys let insects into your pollytunnel ? the worst one for me last year was the cabbage whites as they laid eggs on all my greens that was going to the allotment :( we need some insects to help pollination dont we ?

SK
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mumofstig

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Re: insects in or not PT
« Reply #1 on: April 13, 2014, 21:09 »
Yes you need insects and you need to cover the brassica seedlings with netting, same as you would outside  ::)

Why are they in the p/t anyway, when they don't like the heat?
« Last Edit: April 13, 2014, 21:10 by mumofstig »
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smellykipper

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Re: insects in or not PT
« Reply #2 on: April 14, 2014, 06:12 »
Yes you need insects and you need to cover the brassica seedlings with netting, same as you would outside  ::)

Why are they in the p/t anyway, when they don't like the heat?

i have always started the seeds off in the pt  ::) i now have a plan to build a netted over frame  :D
thankyou :)

SK

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mumofstig

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Re: insects in or not PT
« Reply #3 on: April 14, 2014, 08:32 »
I can understand starting the seeds off in there - but not the keeping them in there till they're planted  ???

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BabbyAnn

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Re: insects in or not PT
« Reply #4 on: April 14, 2014, 12:54 »
I don't let insects into the greenhouse or polytunnel and have fine mesh netting over vents and doorways.  I rarely see pollinating insects enter, and all I seem to get is an infestation of crop munching bugs  :mad: and a billion flies buzzing along the PT ceiling (I use sticky yellow & blue pads now  8))

Most of my fruiting crops in the PT/greenhouse are easily pollinated by hand and as I usually need to make at least one if not 2 visits a day for watering and care, it gets done then.  It's also a good way to make sure there is no cross pollination and seed, especially from heirloom varieties, can therefore be saved.

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3759allen

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Re: insects in or not PT
« Reply #5 on: April 17, 2014, 20:43 »
i didn't bother last year.

depending on what your growing in there you may struggle with pollination with no insects.

i did have a few fat caterpillars feeding off my tomatoes last year, but minimal numbers so just picked them off when i saw them.

personally i would find it hard to find a way to cover the door entrance with netting wouldn't leave gaps for the insects to get through, they seem to find the slightest gap and squeeze through.



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