Common Problems with Seedlings Flashcards by Julie Wolf | Brainscape

Flashcards in Common Problems with Seedlings Deck (3)

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1

The seedlings are spindly yellow + stretching towards the light. What is the problem?

They need more light. Put outside on a sunny, warm day in full sun. A little on the first day and build up tolerance.

2

The seedlings are keeling over + pinched at soil level. What is the problem?

"Damping off” disease caused by fungi.
Increase ventilation w/fans, open windows, increase sunlight. Don’t over water. Add small amount of sand to the soil mix or a fine layer of coarse sand on top of the soil -- discourages fungal activity. use ACTINOVATE.

3

The seedlings are slightly yellow + don’t seem to be growing fast. What is the problem?

They need more nitrogen by foliar feeding.

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