Why my seedling sprout yellow

[maimunji]

I always plant seeds directly in growing medium but this time they all sprout after 48 hours usually I wait 5-7 days before I see first seeds poping. And now all my seeds sprout yellow. What is wrong is they ok? They are all different strains.

 

[Phaeton]

I plant my seeds direct as well. The 5 to 7 days is about the average also.
How warm was your container? And how wet?
Some thing must have been different this time.

 

[maimunji]

Watering to run off my cups before 2 days then plant it. Temp is normal 25-26 C°. Im worried why they sprout yellow? They all sprout without light is this can be a reason? I expect to see sprout after 5-7 days and turn off the lights.

 

[RockinRobot]

If they were in total dark for a couple days after sprouting that would explain the yellowing. Get them under the lights.

 

[maimunji]

I turn light on and everything greener back I just don't expect so fast sprout. Superior work from breeder.