Phosphorus Deficiency Symptoms in Cannabis

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  • Опубликовано: 25 дек 2024

Комментарии • 124

  • @mahathiryusop
    @mahathiryusop 3 года назад +29

    Finally someone from the agricultural background, we need this in this industry!

    • @DeBaccoUniversity
      @DeBaccoUniversity  3 года назад +14

      An actual agriculture background is often hard to find in the cannabis industry, which is why DeBacco University is here to help fill in this knowledge gap.

    • @woodskid4ever
      @woodskid4ever 3 года назад +1

      Search youtube for Dr. Bruce Bugbee. USU ag guru. Knows his stuff like this guy.

    • @DeBaccoUniversity
      @DeBaccoUniversity  3 года назад +7

      Another great resource, thanks for mentioning it.

    • @michaelrichards899
      @michaelrichards899 24 дня назад

      ​@@DeBaccoUniversity Thank u for everything you offer the "growing" community ❤❤❤ smoke something green 💚💚💚

  • @GrlPwdr8
    @GrlPwdr8 3 года назад +2

    I’m a year into the industry and you good sir have advanced my knowledge greatly! Thank you

    • @DeBaccoUniversity
      @DeBaccoUniversity  3 года назад

      Thanks for sharing great to know the content has been helpful for you.

  • @EnvironmentalCoffeehouse
    @EnvironmentalCoffeehouse Год назад

    I'm so happy I found your channel. I'm just a small personal grower and I've never had yellow leaves on the outside before. So I'm learning learning learning.❤

    • @DeBaccoUniversity
      @DeBaccoUniversity  Год назад +1

      Great to know the content is helpful be sure to share the channel with others!

  • @cheddardavis5818
    @cheddardavis5818 Год назад

    I rarely see deficiencies but your vids help out a lot with identifying things !

  • @Gabachazo
    @Gabachazo 3 года назад +6

    A very large plant for such a tiny pot, surprisingly healthy plant for such minimal root volume...

    • @DeBaccoUniversity
      @DeBaccoUniversity  3 года назад +6

      This is in part possible to to the continual (daily) liquid feed of nutrients, which also fits well when trying to create deficiency symptoms.

    • @superkillr
      @superkillr Год назад

      @@DeBaccoUniversity They shoulda done a much better job than... hey a leaf is different. WOOOPTy DOOOOO.... come on, they really came out after all that and the money spent to have a show a plant that is like 2 inches shorter and a yellow leaf on the very bottom. WTF?

    • @JM-ym8mm
      @JM-ym8mm 10 месяцев назад +2

      @@superkillr just goes to show how little signs there is for phosphor deficiency. Don't shoot the messenger ;p

    • @Criticalthinker432
      @Criticalthinker432 4 месяца назад

      @@superkillrdamn seems like ur mad because you can’t find usefulness in any information

  • @rueporter2253
    @rueporter2253 3 года назад +4

    Extremely thorough and accurate. Bravissimo!! Thanks .

    • @DeBaccoUniversity
      @DeBaccoUniversity  3 года назад +1

      Glad you liked the video and took the time to comment!

  • @AussyCC
    @AussyCC 2 года назад +2

    Source and sink cells are prominent in your deficiency pic mate. Right has BRIGHT green leaves (phos def) with nutes being sinked from your clorating source leaves, left is control. Thx for the upload.

    • @DeBaccoUniversity
      @DeBaccoUniversity  2 года назад

      This DeBacco University video may help add more science to what you have mentioned... ruclips.net/video/CmeTKcwqpx8/видео.html

  • @tombryant4518
    @tombryant4518 3 года назад +2

    Awesome video! Thank you for taking the time to make this available.

    • @DeBaccoUniversity
      @DeBaccoUniversity  3 года назад

      Thanks for taking the time to comment, glad to hear it was helpful. If you know of others that may also benefit feel free to share the video or channel with them.

    • @tombryant4518
      @tombryant4518 3 года назад

      @@DeBaccoUniversity I’ve been watching all your videos today. I’ve never had to deal with any nutrient deficiencies yet. Just had fungus gnats on my first crop. It is interesting to me how everyone seems to have different things happen to them.

  • @dano9411
    @dano9411 2 года назад

    Loving the library! Very interesting from a conservation perspective.

    • @DeBaccoUniversity
      @DeBaccoUniversity  2 года назад

      That is the intention to grow quality plants while not doing harm to the environment.

  • @GrowingTogether247
    @GrowingTogether247 Год назад +2

    I really appreciate your videos ❤ amazing information i have strated my first indoor grow, im doing ok , i normally would be doing it outside but trying indoor and loving your information...i have been adding videos on a weekly basis for my reference and to show others my experiences.. thanks for the awesome content

    • @DeBaccoUniversity
      @DeBaccoUniversity  Год назад +1

      Thanks for the comment! Please share the channel with others!

    • @GrowingTogether247
      @GrowingTogether247 Год назад

      @@DeBaccoUniversity Thank you.. hoping for good results but I set my expectations being my first indoor.. learned the most from your channel and a few others... take care and keep up the great content.. 👍

  • @trippinaswespeak3628
    @trippinaswespeak3628 2 года назад +1

    Thank you for all you do, extremely helpful, all your videos.

    • @DeBaccoUniversity
      @DeBaccoUniversity  2 года назад

      Great to know it is appreciated, but sure to share the channel and content with others!

  • @MrElemonator
    @MrElemonator 3 года назад +2

    What a great video. Thank your Sir for sharing your knowledge.

    • @DeBaccoUniversity
      @DeBaccoUniversity  3 года назад

      Glad you liked it and thanks for the comment. Be sure to share it with others that you think may be interested.

  • @kingfishphill4120
    @kingfishphill4120 Месяц назад

    Very good information 👍

  • @E_-_-
    @E_-_- 3 года назад +2

    Nice. Another study showed that P deficient plants produced same dry weight and P is 'front loaded' early in the cycle (i.e. P application is not needed later in the grow). Might've been the same study. too long ago

    • @E_-_-
      @E_-_- 3 года назад

      Using phosphoric acid you aklmost reach P target if your base was X-0-X haha. Overfeeding P, What is target P ppm is missing in this video. Tomato, cucumber, pepper are high dli plants grown at 200-350 ppm K just like the green plant. ~40-70 ppm P is target there

    • @DeBaccoUniversity
      @DeBaccoUniversity  3 года назад

      In field applications optimum is considered to be around 30 pounds to the acre.

    • @superkillr
      @superkillr Год назад

      @@DeBaccoUniversity How does that serve the people watching this video... do you think people are growing weed by the acre?

  • @smoothmove7566
    @smoothmove7566 7 месяцев назад

    Okay now I see what you were getting at, I did not know that phosphorus was a dwindling natural resource. I just figured we could make all we ever need. Why can't everybody be mellow and smart like you?

    • @DeBaccoUniversity
      @DeBaccoUniversity  7 месяцев назад +1

      Thanks for the "mellow and smart" compliment not a common one, but a good one regardless!

  • @KKollective
    @KKollective 4 месяца назад

    Another awesome video. Thank you!

  • @SaltyFarm
    @SaltyFarm 7 месяцев назад

    If you’re growing in living soil, use seabird guano to treat a deficiency and mineralized phosphate early for your feeding program. If you reuse your soil with rock phosphate, you’ll have less deficiencies late in flower. I sometimes notice a little blue in my leaves after a major growth spurt if I’m not on top of it, especially if I’m experimenting with new products and find one that really does well.

    • @DeBaccoUniversity
      @DeBaccoUniversity  7 месяцев назад

      Not a common deficiency seen, but good to be aware of.

  • @rickrolls3786
    @rickrolls3786 2 года назад

    All meat, no potatoes...love it!

  • @wildsidebryan
    @wildsidebryan 2 года назад

    fta. i enjoy your content.
    The scale difference in the y-axis for the plots at 5:35 is a bit deceiving for showing the magnitude of the problem.

  • @everennui1
    @everennui1 6 месяцев назад

    Thank you again and again and again for all the concise information about all these things.
    I would like to grow as environmentally conscious as possible, considering hydroponics and RO water already has an impact, but I am very new to gardening and the amount that I don't know is increasingly becoming more apparent. It's very daunting. Can you point me in a direction so that I can learn about synthetic nutrients better? I understand there's different types of NPK and some of those interact better with different styles and watering strategies.
    I'm particularly interested in deep water culture and drain to waste using coco coir as a medium. I'm also interested in NFT for strawberries and lettuce. I'm not interested in nutrients that require bacterial life to break it down, I would much rather use plant available salts and ideally stack a lower EC input in the substrate so that I don't have to get as much runoff.
    I would say, "any help would be greatly appreciated", but you already have helped me out so much in the past. Anyway, thanks again, because you have a masterclass of information already available here.

    • @DeBaccoUniversity
      @DeBaccoUniversity  5 месяцев назад +1

      Glad you liked the content and be sure to search the channel for the topics you mentioned as there are videos explaining these on the channel;-)

  • @craftgrow
    @craftgrow 2 года назад

    Thanks for your time and info

    • @DeBaccoUniversity
      @DeBaccoUniversity  2 года назад

      Glad to help, watch the phosphorus additions... the bass with thank you.

  • @fitness3447
    @fitness3447 4 года назад +1

    Thanks for this video. Highly helpful.

    • @DeBaccoUniversity
      @DeBaccoUniversity  4 года назад

      Glad to hear it was helpful and thanks for taking the time to comment.

  • @donwheeler1208
    @donwheeler1208 9 месяцев назад

    Although I’m sure you’re correct that people do over feed, I think that this quickly growing industry plays a large part of demand. And don’t forget the more place’s it’s legalized, the more home growing follows.

    • @DeBaccoUniversity
      @DeBaccoUniversity  9 месяцев назад +2

      This is the importance of educating new and seasoned growers.

  • @Rick-lx5oy
    @Rick-lx5oy 2 года назад

    Very helpful

  • @jaygrice2682
    @jaygrice2682 3 года назад

    Love these videos!!!!!

  • @germanhd1211
    @germanhd1211 4 года назад +1

    What are all those white spots on the upper leaf at 3:40?

    • @DeBaccoUniversity
      @DeBaccoUniversity  4 года назад +2

      The white spots are actually some thrip damage.

    • @paulg3012
      @paulg3012 3 года назад

      @@DeBaccoUniversity Spinosad destroys those little buggers.

  • @michaelallen6208
    @michaelallen6208 3 года назад

    Do you have a potassium video? Need asap please

    • @DeBaccoUniversity
      @DeBaccoUniversity  3 года назад

      While this study was done on tomatoes, it would look very similar in cannabis, hope it helps...
      ruclips.net/video/YkkiQugajLw/видео.html

  • @timpage5021
    @timpage5021 4 года назад

    What size containers you're useing and how often did you water and feed?
    Did you water everyday?

    • @DeBaccoUniversity
      @DeBaccoUniversity  4 года назад +1

      In the trial 5-gallon containers were used with watering typically twice a day. The frequency and amount is based on plant stage and environmental conditions (sunny vs cloudy day) and also media used can impact the plants required water. Feeding was continuous for six days with the seventh being a flush day to remove excessive salts. Typical target for standard feeding was 100ppm of nitrogen. Hope this helps.

    • @timpage5021
      @timpage5021 4 года назад

      @@DeBaccoUniversity yes it did thanks.
      I figured you was watering at a minimum of 1 time a day for plants that size. Again thank you. Stay safe.

    • @eugenecorcoran5478
      @eugenecorcoran5478 3 года назад

      Drink when thirsty ......and water your plant when dry to get that oxygen and nutes in there.......not every day....less pot is undersize I guess.......and 72 hours between watering s is sign of proper size pot.

  • @gipen
    @gipen 2 года назад

    How can you grow that big plants in such small containers. My plants get stunt if I don't transplant them.

  • @sensimilla8884
    @sensimilla8884 3 года назад

    The first pot looks far too small for the plant is it not suffering from root lock as well?

    • @DeBaccoUniversity
      @DeBaccoUniversity  3 года назад

      Rockwool blocks can produce large plants with a small root area, so while there may be some root stress going on this is counter acted by the irrigation events (twice daily) provided to the plants.

  • @BangBangBang.
    @BangBangBang. 3 года назад

    A lot of the phosphorus in the Southeast comes in via ship from Peru.

  • @BiGChiefin84
    @BiGChiefin84 3 года назад

    How do I fix this issue if I where to have this issue?

    • @DeBaccoUniversity
      @DeBaccoUniversity  3 года назад

      Step one is the realization and then stop adding phosphorus.

  • @paulg3012
    @paulg3012 3 года назад

    What is the cause of red/purple leaf petioles and upper main stalks?

    • @DeBaccoUniversity
      @DeBaccoUniversity  3 года назад +1

      Often times this can be a plant response to environmental stresses. Ex. Strong UV light exposure.

    • @paulg3012
      @paulg3012 3 года назад

      @@DeBaccoUniversity Thanks.

  • @andrewwilloughby2370
    @andrewwilloughby2370 Год назад

    My plant is showing this at only week 3 into flower is it normal to yellow that early on?

  • @Allknowingkeith
    @Allknowingkeith 2 года назад

    Anything new to learn about phosphorus?

  • @andrewbee82
    @andrewbee82 3 года назад

    I was told that Pdef shows also with a dark green/blue green coloration of the leaves. Seems to be not the case 🤷🏻‍♂️

    • @DeBaccoUniversity
      @DeBaccoUniversity  3 года назад

      In this presentation you are seeing the results of a cannabis plant grown in a controlled greenhouse that was fed restricted (below optimum) levels of phosphorus.

    • @andrewbee82
      @andrewbee82 3 года назад

      @@DeBaccoUniversity I’m not retarded, no need to repeat the basics, I’ve watched the video and understood it. I was ASKIN if those I mentioned are pdef symptoms too...are them? Thx

    • @DeBaccoUniversity
      @DeBaccoUniversity  3 года назад

      No.

    • @andrewbee82
      @andrewbee82 3 года назад

      @@DeBaccoUniversity thank you and sorry to have been lil rude. 👋🏻

  • @brendanbeaudoin6573
    @brendanbeaudoin6573 4 года назад +3

    Thank you for the informative breakdown on Phosphorus! I am experiencing what I believe to be P lockout due to high levels of Calcium in my tap water. I'm seeing purple/red stems/petioles, slow growth, and yellowing and browning of the leaves as you've mentioned. This is an organic soil grow with PH around 6.5 during watering with very light feeding in between with BioBizz nutes. My plants only show these symptoms in an indoor environment, but never outdoors.
    How would you recommend mitigating this potential Phosphorus issue? I'm contemplating using and flushing with RO water to reset things, but on the other hand thinking of just adding a bit more Phosphorus to balance the CA and P ratios.

    • @DeBaccoUniversity
      @DeBaccoUniversity  4 года назад +3

      Based on your description it sounds like more than a Phosphorus issue. If you are seeing it only indoors and not outdoors what is the substrate the plants are growing in and/or what is the lighting for the plants? The coloration on the stems is more likely due to other (not nutrient) stresses on the plant.

    • @seriusb9122
      @seriusb9122 4 года назад +1

      @@DeBaccoUniversity
      Thank you for the response! Growing indoors with straight Fox Farms OF. Spider farmer 4000 LED. 78 temp, 68 humidity in 7 gallon smart pots. I go 1/4 strength feedings with Biobizz, so very light feeding. I’ve always struggled with the red/purple stems indoors and other than having wry hard water, I cannot figure this out. Thank you

    • @DeBaccoUniversity
      @DeBaccoUniversity  4 года назад +1

      @@seriusb9122 What is the pH of the water/nutrient solution? What pruning method?

    • @eugenecorcoran5478
      @eugenecorcoran5478 3 года назад

      Starving for calcium ....because ph is too high for uptake in hydro. I take water before the water softener process.

    • @superkillr
      @superkillr Год назад

      @@eugenecorcoran5478 It's not hydro... read

  • @johnslugger
    @johnslugger Год назад

    *I use a mixture of 50% Mono-Sodium Phosphate and 50% Di-Sodium Phosphate for a pH neutral Phosphate additive.

    • @DeBaccoUniversity
      @DeBaccoUniversity  Год назад

      At what rate? That is highly concentrated.

    • @johnslugger
      @johnslugger Год назад

      @@DeBaccoUniversity 50/50 mix added at 850 PPM.

  • @Greek5425
    @Greek5425 2 года назад

    Btw,using bloom boosters is a complete waste of money.Loading up on phosphorus during flowering does not increase floral structure.Cannabis uses the majority of phosphorus during the first few weeks after the seedling stage.

  • @overthenever4262
    @overthenever4262 3 года назад

    Dear God , those plants where how old ?!?!?
    Holy omg frikin lord of Shiva Batman !!!
    I'm just sayin , don't jump on me .........
    "But" , and I really love this channel it's just
    that ,. Well.. WoW , my plants are 78 days and ,.

    • @DeBaccoUniversity
      @DeBaccoUniversity  3 года назад

      Plants pictured were about 80 days old to allow for the deficiencies to be easier to see.

  • @donnyinalaska
    @donnyinalaska 3 года назад +2

    So... being I'm in my upper 50's, why is it todays Cannabis is nothing near what it use to be as far as strengths , compared to what we had back in the early 90's down to the 60's ?
    Seems most of the stuff that is sold in stores these days all smell the same, even tho there are different names on the packages ?
    I mean stuff we bought back in the 80's was majorly superior compared to todays stuff....
    Back in the day, 3 to 6 hits was all you needed...
    Is it all the chemicals they grow it with today that has degraded Cannabis ?... cause it aint the same, thats for sure....

    • @DeBaccoUniversity
      @DeBaccoUniversity  3 года назад +2

      Depends on the strain you are using. There are some very potent cannabis that exists today, the key is to be sure you have supporting documentation with the product you are using from an independent lab to verify what is claimed.

    • @greenteam5627
      @greenteam5627 3 года назад +2

      You definitely don’t live on the west coast. Cannabis from any state on the west coast would have your head spinning on your shoulders after 3 hits.

    • @donnyinalaska
      @donnyinalaska 3 года назад +1

      @@greenteam5627 , wanna make a bet that I dont live on the west coast ?
      Seattle mean anything ?...hahahaha
      Besides, the stuff we got back in the 70's and 80's didnt need chemicals to make it grow...
      It was far superior compared to todays stuff...lol

    • @greenteam5627
      @greenteam5627 3 года назад +4

      @@donnyinalaska Wel, idk what circles you’re in or what you’ve been smoking man but if you live in Seattle, stop by The Reef on Cap Hill and smoke anything from Skord or High Tide. You’re literally the first and only person I’ve heard say cannabis has gotten weaker 😂 Okay man.

    • @donnyinalaska
      @donnyinalaska 3 года назад

      @@greenteam5627 , well.. at almost 60 years old, things change..lol

  • @1HeavyHitr
    @1HeavyHitr 3 года назад

    These videos are awesome and very informative but damn dude take a drink and kill those pasties!

  • @J420-v7u
    @J420-v7u 3 года назад

    Hi dr debacoo, I wan't to know if you've a contact e-mail to ask you a couple of questions that I've
    regards

    • @DeBaccoUniversity
      @DeBaccoUniversity  3 года назад

      Post your email and DeBacco University will reach out to you.

  • @ismahappyfacedot
    @ismahappyfacedot 6 месяцев назад

    Be picky with your budbro

  • @daineball
    @daineball 3 года назад

    yeah purple can be from bending stress and genes

    • @DeBaccoUniversity
      @DeBaccoUniversity  3 года назад

      You are correct.

    • @greenteam5627
      @greenteam5627 3 года назад

      Bending stress?

    • @daineball
      @daineball 3 года назад

      @@greenteam5627 Low/High Stress training and if outdoors high "cooler" winds will turn stalks and stems purple from stress, which i refer to as bending stress not environmental or light related which all can also do the same sorta thing but they all look slightly different

  • @guyfawkes8790
    @guyfawkes8790 3 года назад

    Algorithm bump