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How Dark is Dark Enough? Darkness level requirements for plants with Dr. Bruce Bugbee
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- เผยแพร่เมื่อ 2 พ.ค. 2022
- In this video, Dr. Bruce Bugbee discusses how sensitive different types of crops are to light pollution during their prescribed dark periods. This lecture is not about photoperiod requirements, but the tolerance different species have to even a tiny light leak at night. Light leaks can be devastating to flowering and can even cause hermaphrodites. Bruce describes the research that has been done on this topic, as well as gives a rules-of-thumb for light pollution and shows some instruments that can be used to ensure your plants are getting the level of darkness they need for maximum health. Shown during the video is the Apogee Instruments PQ-640 Quantum Light Pollution sensor: www.apogeeinst.... This video is presented by Apogee Instruments with permission from the Crop Physiology Lab at Utah State University.
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Apogee Equipment Shown:
-Apogee PQ-640 Quantum Light Pollution sensor:
www.apogeeinst...
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Whenever I want to initiate darkness for my plants, I just show them the news.
I’m right there with ya friend.
LoL
Dr. Bruce Bugbee, the rock star of photobiology!
It's a dirty job, but somebody's gotta do it...
Thank you for making this available to everyone! As always, awesome presentation!
Dr Bugbee is just simply amazing at his job. It's like watching a beaver build a dam, he was born to do this.
So true! Just admire and soak it in
What a great analogy.
Amongst the brightest minds in the growing world. Thank you doctor.
Not too bright, it would interfere in the plants
This is the kind of research we need more of. Keep up the great work, man!
Damn Skippy man. Blows my mind how quick thought stops and incomplete knowledge is accepted and shared smh damn fish keeps growing lmao.
Dude I love u Bruce thank you from the bottom of my heart for the education that you provide the community with! you are seriously the best! Keep bringing these amazingly important videos
Wow Dr. Bruce, I actually understood most of this! Looks like 5 years of high school paid off! Thank you, and God Bless!
More brilliance from the master. Thank you Dr. Bugbee and colleagues/staff
This is great info Dr Bugbee! I have a hypothesis about green photons. As you've noted, they penetrate deeper into plant tissues. I propose that those photons bounce around hitting various organelles within the cells until their energy state degrades. In other words, they eventually turn red and then get scooped up for photosynthesis, etc.. It's similar to the way blue photons pass through a phosphor coating and turn green.
Congrats Paul!!! Everyone appreciates your hard work and devotion to this research!
Bruce is my favorite teacher. I wish I could've studied under him while getting my undergrad.
And to think, my need to Blaze has been the drive for me to study my electrical and computer engineering so hard I might actually get the degree. You and your team's work are absolute inspiration.
Smart growers and scientists alike are taking notes here. Good stuff.
Been waiting quite a long time for this ever since the lab tour.
Good science takes a while.
Just what I have been researching for years. Finally found it. Thank God. One ☝️ of my 6 flowering plants 🌱 Hermaphrodite
thanks for the work you guys are doing for the comunity. this is great and greatly appreciated.
Thank you Dr Bugbee. Very interesting. Look forward to hearing the results of a burst of light during dark vs the continuous low low light.
Amazing! Great stuff. Looking forward to the results of short exposure to intense light and plants reception to light at low levels
Thank you for the work, Bruce 🙏
Like always Dr. Bruce Rugbee hits it out of the park this video is💯% knowledgeable thanks for all the studys you do that helps are community keep the awesome video coming
Thanks so much for this. I am going to do my first outdoor grow this year, and have been wondering a lot about this.
You're the best Dr. BB! I always look forward to every video. Thank you!
Bruce first and foremost thank you so much for the invaluable information in lighting and plant biology you provide to us for free.
I happen to be watching this the night of a full moon and was curious about the claim about not being able to read a book by moonlight. Took a small print paperback outside with very little additional light pollution and with relatively little strain could read it by moonlight. I'm sure the point as a rule of thumb stands but wanted to share, thanks again.
I wondered the same thing. The test is very subjective. Young sensitive eyes vs old dull eyes.
Thank you so much for all the information and knowledge you present to us. As you pave the way, your hard work, dedication, and knowledge is a beacon for all of us growers.
Dr. Bugbee, thank you my friend! I have so much respect for this man. Always respectful in the way he teaches and full of so much knowledge. Thank you, I can’t stress to you how much this lesson and overview has helped me. I’ve always wondered how much ambient light is too much light. I really connected with your analogy about the book and not being able to read it with ambient light no brighter than the light from a full moon! You rock my friend! So much gratitude, thank you!
Hello dr. Bugbee
you are doing a really great job in your studies. I'm from Germany and I really like to watch your nice videos with your absolutely great insights. It would be interesting to know how long light pollution has to exist to cause problems. :) keep it up and stay healthy. Greetings from Germany
Dr. B, always crediting the folks who do the grinding work. Classy AF.
So interesting and enjoyable to listen to.
Moonlight at night and the whole darkness subject. Marine Boot Camp we trained for moving through a jungle at night. Night vision or when our eyes adjust to see whatever they can in the dark. It takes awhile for eyes to adjust but if exposed to light, like a flashlight or flare, we lose our night vision immediately and to get it back takes minutes and the longer the better for seeing better in the dark or night vision. Preserving that night vision is a big deal for any of us. Once you have the night vision from being in the dark for a half hour and a light comes on, immediately close your eyes and cover them or ya lose that half hour of building up the night vision.
I’ll blame it on coffee.
Thanks Bruce 🤙🤙
Absolutely fascinating subject matter, Dr Bugbee - thank you.
Very enjoyable lesson. Love the scientific measurements, the great teaching style, things being described and explained in a very interesting and knowledgeable way.🙂
Quality information, looking forward to the continued research you provide!
This is good information. I’ve often wondered about this.
Thank you. I'm not sure how I stumbled upon this gem, but it was very insightful and helpful
Thanks again for your dedication to light science. Great lecture.
Info at 16:00 is aweseome!
Major protip about green lights in the grow rooms at 24:25
🧠
Thank you Dr. Bugbee! Very educational as always
You are the man Bruce!!! Your research and info is greatly appreciated!
Once again, thank you for your contributions
Great information as always. Thank you Bruce
I appreciate the wealth of knowledge you share..its definitely special, invaluble if i must say so myself. You have helped me GROW (litterally & figuretively) and you dont even know any of us. I appreciate the decency as a human being, the acknowledgement you're directing at medicinal cannabis.thank you kindly,
Thank you so much for all the work you do and that you take time to explain it in the most basic ways that any person can get a handle on it.
Bruce Bugbee IS BACK, God Thanks! Much Respect and Keep it on! @apogee Instruments Inc.
Thanks for give us such a simple rule of thumb!
Muito obrigado por partilhar tantas informações tao valiosas para tantos de nós do fundo do coração .Você partilha conhecimento valioso para muitos de nós! Abraço de Portugal!
Thank you so much for sharing so much information so valuable to so many of us from the bottom of my heart. You share valuable knowledge to many of us! Hugs from Portugal!
Thankyou Dr Bruce this has explained light pollution and the fact green light isn't safe to use to view flowering, valuable information.
Would love some research on autoflowers I feel we know even less about them because Bruce has opened our eyes on regular medical cannabis
AutoFlower is Bullshit..
I was really wondering about this. I even thought about if a full moon would disturb them. I also really liked how the analogy of reading a book was used for those without light meters. That's really handy knowledge there.
I grew a huge Bruce Banner outdoors with nice huge tight Bud's with major night time light polution . The plant knows what to do
Tell that to all the growers who’ve had herms from light leak. Also he’s not saying it won’t grow...just that to get optimal results time/yield having complete dark wins.
@@hankyboy42594 tell that to all the growers? 🤔
Sometimes nature has answers to issues we don’t have or quite understand yet.
Luv this man and all the free knowledge
Thank you for presenting this amazing research! I also love your name.. VIVA BRUCE BUGBEE !
Awsome presentation dr., Without a doubt the most Credible source of information in regard to light and plant physiology, bravo sir
I have been asking myself this question for YEARS & finally know :)
Was watching at night and YIKES, When we went back to full light 😳 My eyes!
Congratulations and thank you for a great presentation. There are still people who doubt the problem posed by light pollution for the environment, including plants. I myself often mention this problem in lectures.
Dr u made my day i was so worried about light pollution now i got it GOD bless u
Awesome follow up on one of your videos from 4-5 years ago ! This is awesome. Thank you 👍
Very informative and great info to build/ grow off of. Science has always fascinated me. Thanks for the studies and the free info your putting out for us home growers and commercial growers.
I've been hoping Dr. B would address this. Thank you
Another great lesson, can't wait for the next one professor 💪😁👍
Dr. Bruce Bugbee is the man.
Wonderful man, i forget to eat when watching his science.
The goat is at it again, thanks Bruce!
Thanks for all the info watching all the way from New Zealand
I feel like I just watched my dad try to read a book in the dark for half an hr. 🤣🤣🤣 Thanks for all you do Dr. Bugbee!
Thanks for all the work you do!
Very interesting and informative presentation, thank you!
Very very interesting ❤
I feel like im 19 again, back in college, hungry for knowledge, amazed by the wisdom of professors
Thank you Bruce. Incredibly useful information!
Sir it’s Dr Bugsbee , please respect the mans doctorates. He is a PHD. Much love 🙏🏼
@@muthrfuqrjonz3530 Bugbee..
Thank you Professor for your tireless efforts and complete dedication. Many thanks Dr Bugsbee🙏🏼
Bugbee! Learn before
Love the presentations, my experience is a saber of light from a pin hole can cause hemihedrite issues in a Dark Room / Grow Room . Leaving the door open all nigh to background lights seems ok. Growing next to house, that light (s) from the house did not make an issue.
Excellent prediction 👏
Ive been contemplating trying my hand at light dep and this just gave me some very valuable information. Thank you good sir
Another great video!!! Thank you!!!
I’m calling this the “loose Bruce” look. Love it. Maybe tie-dye next video?
Happy 4th of July thank you from London for all your amazing work love all your videos
Very interesting Dr. B! I was going to ask if hermaphroditism begins as well at 10+ nanomoles but then you answered that question later on. I will say in respect to your statement on that matter, there are some home breeders that have been known to turn a light on (for example) for 10 minutes in the middle of each dark period for a week, to produce pollen sacks in their females. I'd think you would be breeding hermaphrodites mainly but that's another topic. I am curious if those doing such a thing actually had some other stress factor involved maybe? I found it fascinating how the temperature regulates the level of effect caused by light pollution as well.
Love the work you do, and the fact you share the information with us! I am looking forward to the next one!
Thank You! Couple of times I was thinking about this subject. Greetings from Poland!
I love this man. Thank you, Dr. Bugbee!
Thankyou Bruce! Wish you taught at University of Hawaii at Manoa.
awesome segment
Great video! I was always thinking about it.
I have one idea to try, what about UV light from bug zappers? Does it impact the plants?
This is so interesting. I'm completely hooked
right near the end you make a real interesting point to me.
see when i pick magic mushrooms i say it's better to go picking as the sun is going down or when it is dark as i see the blue in the mushrooms better. now it makes sense
Awesome stuff, happy growing ! ❤🌱
One of the greatest!!!!!! Thank you for all good info you share!!!! I'm from Brazil, hope one day I get te chance to watch your lecture personaly!!!
Great work! Much appreciated 👍
november last year i had first hand experience of light pollution in a grow cubboard , and the negative effects were astonishing , darkness is imperative for dense flower forming it seem.
beste MAnn!!!!! im so thankfull for all he posts. 🙏
I wanna see a Good Study on IR Night Vision Security Camera Light's... Safe or No...?
No
awesome research, looking forward to the next one \m/
Man thank you for you in depth research been watching you since the lab coat and long hair lol. You're the goat keep it up🐐👏🏽
As always, Dr Bruce Bugbee explains it based on science....real science. not bro-science. Keep up the great work Dr.!! You are my go to for cannabis growing!!!
My Last run finished right at a full moon outside at 2100' elevation and I lost density on my flowers. Not the first time. I just bought black out plastic. Aloha from Hawaii.
Very intelligent person
Thank you, very informative.
I must say, that since my childhood I remember the full moon is so bright so I can easily read the book and see my own shadow on the ground. That should inhibit the flowering, but why it still doesn’t ?
This whole video was about how the full moon is not at all enough to disrupt flowering...
I love how we use the Scientific Method to coax out the truths in the World... The whole framework of higher education and graduate programs enable individuals to take the deep dives that makes these answers possible. Even better is when during this research there is some accidental discovery that is found by keen observers.
I've always wondered how much the sun's light reflected off the moon in the flowering season would affect cannabis plants. Or starlight at all times of the year.