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 t0ad
ribbit ribbit
Registered: 09/28/08
Posts: 599
Loc: FL, USA
Last seen: 15 years, 1 month
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 Orange Cotyledons & True leaves turning 
#155342 - 12/04/08 09:37 AM (16 years, 3 days ago) |
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Hydro Growers:
1. Are you growing from seed or clones? seed
2. How old are your plants? 2 weeks
3. How tall are your plants? 4-5 inches
4. What type of hydro system are you using? DWC
5. What brand/type of nutrients are you using? Fox Farm + CalMag + Dutch Master + Mychorrizae fungi
6. What is the Ph of your nutrient solution? 6'sh according to these ph strips (i am partly color blind but I'd still say 6sh)
7. What is the PPM/EC of your tap water? UNNKWN
8. What is the PPM/EC of your nutrient solution? UNKWN
9. What is the temperature of your nutrient solution? 72'-80' (room temperature)
10. Does your PPM/EC show a rise or fall when you do your daily PPM check? n/a
11. Does your pH show a rise or fall when you do your daily check? n/a
12. Do you foliar feed or spray your plants with anything? I have recently in hopes to fix these issues.
13. What kind of lights do you use and how many watts combined? (HPS, MH, fluorescent, halogen, incandescent "plant lights") Floros, 32+32+85 = 149w
14. How close are your lights to the plants? 4-5"s
15. What size is your grow space in square feet? a 48 gallon Rubbermaid container from wallyworld. . . so however big that is, ha!
16. What is the temperature and humidity in your grow space? somewhat dry, though the tub is perfectly sealed and in the upper 90% humidity range
17. Have you noticed any insect activity in your grow space? no insects.
18. How much experience do you have growing? Plenty soil, outdoors / indoors, some prev hydro
I am experiencing an interesting situation i've never come across before, which is that my lower leaves of these plants (the cotyledons) have turned from yellow, to orange, and are somewhat crispy now. The plant healthy is great overall though, lush green new growth, but these cotyledons are oranging up and now it looks on one of the plants that the lower first set of true leaves ( single bladed leaves following cotyledons) are seeming somewhat splotchy, and getting light green areas, i'm fearing they're fate is being followed w/ the cotyledons.
This picture below you can see the orange color.
Beginning of yellowing / necrosis of tips
the bottom of the picture, the single true leaf is beginning to turn
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<img src="/forums/images/graemlins/hypnotoad.gif" alt="" />
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t0ad
ribbit ribbit
Registered: 09/28/08
Posts: 599
Loc: FL, USA
Last seen: 15 years, 1 month
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Re: Orange Cotyledons & True leaves turning [Re: t0ad]
#156499 - 12/06/08 07:57 AM (16 years, 1 day ago) |
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so in case no one knows i found the answer after a long search, its related to chlroine
either chlorine toxicity, or chlorine deficiency will cause the leaves to dry up & turn a bronze color (orange)
my plants are looking better now after i figured out what the issue was, and i re-did my tea formulae and the plants seem much happier with tons more growth since i changed they seem to have exploded 
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<img src="/forums/images/graemlins/hypnotoad.gif" alt="" />
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KaptKid 
Spaced Pirate
 
Registered: 04/20/08
Posts: 5,615
Loc: Bright Side of the Sun
Last seen: 1 year, 10 days
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 Re: Orange Cotyledons & True leaves turning [Re: t0ad]
#165042 - 12/18/08 01:11 PM (15 years, 11 months ago) |
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Thanks for the info. I have chlroine in my water supply. Looking into reverse osmoses for my home. To buy water per grow would be a 100 dollar bill per grow going hydro.
Peace
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Child of the 60's, Tripping ever sence.
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