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12 day old plants and the cotyledons fell off

  • by HOLY Roller
  • Oct 01 2009 12:30 PM
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Posted 01 October 2009 - 12:30 PM

so the cotyledons shriveled up over a period of about a week and I checked on them 2 days ago and the cotyledons were all crispy and shriveled up and I touched them and they fell off.
I was like oh shit what now, well its been two days and the leaves on the seedlings are kind of wilting but its more of a curling downward, and the tips to about 1/3 of the way up each leaf is turning this pale green to a slight yellow at the tips, I see the second set of leaves coming through on one of them and the other plant is still really small. I'd would take some pics but I borrowed my camerae to my sister for her vacation.

should I start giving them nutes because they have no cotyledons to support them, why did they fall off so soon. need help asap please
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Posted 02 October 2009 - 03:03 AM

bump....

  • Live to learn, Yearn2burn

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Posted 02 October 2009 - 03:11 AM

Alright so its absolutely normal for cotyledon to shrivel and fall but I bet due to your yellow curling tips I think you have Nute burn and/or a PH problem.

What type of soil are you using and have you been keeping track of your water ph?

PS: You shouldn't feed any nutes yet... especially now

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Posted 02 October 2009 - 01:59 PM

They are in rockwool cubes right now and I am using RO water with a Ph around 5.8, I need to get a digital Ph meter, fuckin liquid test kit sucks so much but I haven't got the money to get one they are so damn expensive, thanks for the help though. so I shouldn't give them nutrients, just water?

the thing with the cotyledons falling off is I have seen plants that have their 3rd or 4th leaf sets and they still have the cotyledons on them, mine barley have a 2nd set, is that normal?

  • Twiggy

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Posted 02 October 2009 - 02:42 PM


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Posted 19 August 2015 - 03:51 PM

yea mine are about 2 weeks old and the cotyledons are yellowing and falling off and shit too...but my plants are green and seem to be growing ok..I got that 1 plant that's the retarded looking uncle..but as a first time grower I feel like that's the norm...

im using mg seed starting potting mix and they're doing fine

I've got a 45 watt led for a 3 sq ft grow box..plan on getting more light as they get a little bigger..right now they're noore than 4 inches tall but the most developed plant has 3 sets of true leaves..

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