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Gardening in Canada

Wilting and dying leaves on seedlings...

9 years ago

Hey folks, this is my first post, and i've bee lurking just reading up on some things. I've had some seedlings planted indoors now for about a month. Some are growing ok, others not so ok.
I have some cucumber that were doing great, and then yesterday, as i was hardening them off, i think i might have gave them too much sun, and this happened.

I also have some radishes that are wilting as well. My peas look dreadful, and my peppers as of yesterday have started to lose color in the leaves.

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Comments (8)

Buddy_from_NS
Original Author
9 years ago
another
Buddy_from_NS
Original Author
9 years ago
the peas
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When you get them outside take the trays off the bottoms of the cups too. Those trays are holding water so the pots don't drain freely. The soil in the bottom is probably too wet because of it. Get some one gallon nursery pots. Most local nurseries will have them and they're cheap. Carefully repot them without disturbing the existing root balls in good potting soil. Trim off any die back on the canes and any dead leaves. Take them outside and put them in full sun, in a well protected place. You're in a cold zone and it's early yet so you may have to do the in and out routine for a bit because of frosts. Put them up on something so the drainage holes are free to work properly. Keep them evenly watered but not drowning and do not fertilize them. Then be patient. As long as the canes remain green and do not shrivel they'll be OK. It may take some weeks for them to start to grow on top but in the meantime the roots will be growing below to support them.
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No fertilizer with or right after planting is the best. After a couple of months a light fertilizer application, low in nitrogen, might be good - it all depends on your soil composition. Mostly for the first year in the ground, trees grow roots, which they do best under low-nitrogen conditions. If you haven't had a soil test done, now might be a good idea, so you know what you are working with. Most soil tests come back low in nitrogen, so don't go crazy adding N if that's what your test results say - it's a function of the test and not an actual picture of your soil.
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I've been having some of the same problems with tomatoes in containers. I've ruled out biotic diseases and have settled on the watering regimen as the culprit. My learning has taught me that overwatering is more damaging to the plant and difficult to recover from. In containers, it's tricky to get the watering right. I'm trying to figure out the right routine. I'm going to try a cup of water every other day in the morning. Also, the mulch you are using will hold in water (a good thing), so make sure to test the soil moisture down a couple inches with your finger before you water. If the soil is somewhat moist, skip the water -- easier to catch up with a water-deprived plant than to cure a root-rotted plant. And I would add a little more of that TomatoTone, can't really hurt.
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Buddy_from_NS
Original Author
9 years ago
the peppers
ianna
9 years ago
The first post shows the cotyledon being affected and the same with the last photo - but these are the seeds itself and its suppose to drop off. If the true leaves are affected then you have a problem.

The pea plant = looks like it's been affected because there was a period it didn't get any water and then suddenly watered. A case of inconsistent watering. Was that the case?

The one thing you should watch for is a fungus called DAMP. It kills suddenly. the entire plant just dies out. Once a plant is afected, throw it out before it infects the others.there's some anti damp treatments available at garden centres. However once this thing takes hold, it's very difficult to manage. Best to throw out affected plants and to treat unaffected plants. Do not over water the plants. Also keep your plants well ventilated using a fan (gentle cycle). I usually add a little layer of sand on top to prevent these things from happening.
Buddy_from_NS
Original Author
9 years ago
It could've been inconsistent watering...but i didn't let them wilt or anything before watering them...but i did let the soil dry out.

One thing to mention is that i started them in little peat pots, not the pellets, but the square little pots that come in 6 and are about 2 inches high. After watering them in those pots for about 4 weeks, the pots started to look like there was some cobweb mold growing on the sides of the pots where they got wet and dried out. The peas appeared to be "infected" first. I transplanted them afterwards to styrofoam cups. They seemed to do ok afterwards for about 2 weeks, then this happened.
ianna
9 years ago
mold - but it's not the DAMP mold. Looks unsightly but that can be managed.

What I normally do is to water from below.. I set my plants on a tray and just add water to the tray. It also prevents DAMP.

other than that peas - the plants are fine. The true leaves are vibrant and looking okay. Those leaves that you say are drying up are actually the seed itself. It contains the nutrients that plant needs to grow itself. It's meant to dry up and eventually fall off.

The peas should be okay for as long as you are consistent with the watering. It's just as bad to overwater though so bear in mind to keep things just moderately moist.
Buddy_from_NS
Original Author
9 years ago
Thank alot. How do you manage the mold? Should i trim and discard the infected leaves?
ianna
9 years ago
just use an anti fungal spray and provide it with a light breeze so it dries out a bit.

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