NoDirt wrote:
Thanks for the input, I decided to put the lights on a timer to give them ~6hrs of night. A little less than the least amount we get in the summer.
http://www.mobot.org/jwcross/duckweed/phytochrome.htm
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| Do vegetables require night? http://byap.backyardmagazines.com/forum/viewtopic.php?f=3&t=7152 |
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| Author: | NoDirt [ Mar 10th, '10, 10:41 ] |
| Post subject: | Do vegetables require night? |
From what I could find out I believe flowering plants require night. Would vegetables like lettuce/spinach grow well with 24/7 light or would it just be a waste of electricity? I know they'd be fine without it but if it would increase their growth rate then it might be worth it. On a similar note how do you think cherry tomatoes would fare? |
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| Author: | RupertofOZ [ Mar 10th, '10, 11:10 ] |
| Post subject: | Re: Do vegetables require night? |
Technically, I think all vegetables grow during the night... Most veges/fruits etc.... are triggered to flowering/fruiting/seeding... by day length... specific to species, but in general all follow some quantifiable pattern... |
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| Author: | NoDirt [ Mar 11th, '10, 02:08 ] |
| Post subject: | Re: Do vegetables require night? |
Thanks for the input, I decided to put the lights on a timer to give them ~6hrs of night. A little less than the least amount we get in the summer. |
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| Author: | Lord Viykor [ Mar 11th, '10, 05:05 ] |
| Post subject: | Re: Do vegetables require night? |
I know chilli seedlings require 'night' I was growing mine using heat mats and a grow lamp on a 12 hour cycle. The maximum 'day' period as I understand it should be 18 hours for these seedlings. I can only assume other plants would have similar requirements. |
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| Author: | TCLynx [ Mar 11th, '10, 05:30 ] |
| Post subject: | Re: Do vegetables require night? |
I know studies have been done on some plants about what day/night cycle is most efficient etc. I don't know much about the details of such but I'm sure you can find some info by searching the internet. From my brief glance at a few of those studies, I think I concluded that at least 4-6 hours of dark made sense for my set up and since the light was in my appartment, I think I went with 8 hours of dark so that I wouldn't need to worry about keeping my door shut to sleep. Turning the light off for a period at night will also help with the temperature differential some plants need to help them set flowers and fruit. Tomatoes are one of the plants that likes a differential of temperature between night and day to set flowers and fruit. |
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| Author: | led-grower [ Mar 11th, '10, 05:45 ] |
| Post subject: | Re: Do vegetables require night? |
NoDirt wrote: Thanks for the input, I decided to put the lights on a timer to give them ~6hrs of night. A little less than the least amount we get in the summer. http://www.mobot.org/jwcross/duckweed/phytochrome.htm
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| Author: | BatonRouge Bill [ Mar 11th, '10, 12:00 ] |
| Post subject: | Re: Do vegetables require night? |
Vegetables grow great in the Alaska summer... no night! |
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| Author: | Chatty [ Mar 14th, '10, 09:33 ] |
| Post subject: | Re: Do vegetables require night? |
Not all plants are entirely driven by light. A lot of plants require a Vernalisation period - a period of time above or below a certain temp - but most would actually work off a combination of the two. Complicated response that isn't really an answer - sorry! Chatty |
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| Author: | NoDirt [ Mar 17th, '10, 09:35 ] |
| Post subject: | Re: Do vegetables require night? |
Thank you everyone for your input  I've decided to use the lights to extend the day but will give them at least 6hrs of night. I think that will make the Tomato/Lettuce/Spinach plants happy. I'll look into it a bit more further into the season so see if I need to adjust it for the Tomatoes.
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