Keimlinge sterben, immer gleiche Symptome, unterschiedliche Erde, erste Erde ph zu hoch, zweite Erde mit passendem ph trzd stirbt keimling

hmmm... schwer zu sagen. Die Keimlinge sehen wir unsere aus. Ich kann dir leider nur unsere bisherige Erfahrung anbieten. Wir lassen unsere Ladies immer im 19 Liter Topf keimen und hatten bei über 20 Pflanzen erst 2 die nicht gekeimt sind. Sobald die Pflanzen durch die Erde brechen haben wir täglich mit Hilfe einer 10ml Spritze die Pflanze sowie die Erde außenrum angefeuchtet. Manchmal auch mehrfach, je nachdem welchen Luftzug du hast. Wir haben als Hilfe auch schon mal ein Glas über den frischen Keimling im Topf gestellt um eine gewissen Feuchtigkeit zu garantieren.

Are you shooting the full 150 watts on your seedlings? The red stems could be a symptom of light stress and their growths-behaviour another. If you have the chance to measure the light (there are free apps for Lux and/or ppfd): For seedlings 5000–7000 Lux or 100 – 300 PPFD.

Hey BudHunter420! Sorry to hear about your seedlings man that is super frustrating. Since you mentioned this happened multiple times before across different soils it usually points to a watering or environment issue. Even if your watering amounts feel totally fine those pots are absolutely massive for such tiny plants. It is really easy to accidentally drown them because the small root system cannot drink the water fast enough and then they just sit in wet soil and suffocate. Try watering only a very small ring around the base of the seedling instead of soaking the whole pot. This forces the roots to search for moisture and prevents the soil from staying wet for too long. Alternatively you could start them in small solo cups next time until they have a solid root ball before moving them to the big pots. Also double check your light intensity because seedlings get stressed really easily if the light is too close or too bright. Keep your head up man you will get this sorted out!

átültetéskor, vagy a következő termesztésednél tegyél a cserépbe egy több helyen kifúrt, félben meghajlított levegőztetőcsövet úgy, hogy mind a két vége kint legyen a cserépből.. ez egyrészt a célzott tápanyagbevitelnél segít, másrészt esős napokon tudsz szilárd tápanyagot bevinni, harmadrészt a gyökerek szellőztetésénél segít amikor túlöntözöd.. a növényeid meg fogják később köszönni.. https://bucket.growdiaries.com/static/post/photo/46619/13626561_645dc8b1b6f5c7e4af7b2e861518b9ae_l.jpg

Your seedlings are showing classic signs of overwatering or a soil mix that is too strong. Large pots hold too much moisture for tiny roots, causing low oxygen and curling leaves. Stop watering immediately and let the medium dry out completely. Water only 50ml in a tiny circle around the stem when dry. Put a plastic dome over them to keep humidity at 70% while the roots recover. Lower your light intensity to 150 PPFD to reduce stress.

Relative Luftfeuchtigkeit zu niedrig und zu wenig gegossen wäre meine Vermutung. Sieht extrem trocken aus.

Size appropriate pots help... should never be worried about potting up. it's easy to do without disturbing the plant. probably related to watering.. Growth looks fine, so it's not the light. when you have a tiny plant in a large pot, water a circle around the plant just larger than the canopy, but make sure that moisture gets deep or else you are just training superficial roots. Even doin this, it will remain wet for a long time, which isnt optimal, but better than roots not growing into dry medium. Also, if the upper areas of medium have greater moisture, roots turn upward, which is also bad. When you do things well, by the end there are few if any roots in the top 2" or so of medium. even with autoflowers, it's best to use size-appropriate pots. Potting up does not stunt plants. It allows a healthier rootball to form and makes watering simple. Saturate and wait for dryback.. 10% runoff if soiless. Also consider any difference in sprout times... 2-3 days later sprout compared to the largest can make a big difference at this point.

Hallo! Eine hohe Luftfeuchtigkeit ist während der Keimung und zu Beginn der Wachstumsphase sehr wichtig. Hast du darauf geachtet? Junge Pflanzen brauchen am Anfang eine Luftfeuchtigkeit von etwa 75 % oder mehr, damit sie sich richtig entwickeln können. Außerdem würde ich auch den Salzgehalt des Bodens überprüfen. Ein zu hoher Salzgehalt kann das Wachstum ebenfalls verlangsamen. Ich hoffe, ich konnte dir ein wenig weiterhelfen. 👽💚

Sometimes it can be hard to get the watering right for a seedling in a big pot, it's easier in a small pot. Your either drowning the seedling or the soil isn't damp enough. I usually start in a big pot but water the soil thoroughly a few days before the seed goes into the soil. So example 12L pot soaked until runoff, usually takes 3-5L of water, I then know there is no dry spots in the medium. Then I usually don't need to water again for a week. I found when I didn't do it that way it would be hit and miss if a seed made it or not. Your welcome to check out some of my newer diaries which are very detailed on every process I do.

Seedlings that small are very sensitive to changing conditions. The root is at this point not much bigger than the seedling and its restricted to finding water in that top inch of soil. Light/ambient heat/evaporation from the grow light itself can very rapidly dry out the top couple inches. During the long 18 hour days, most likely having a very hard time with that. Use a aluminum burner liner from dollar store to create a temporary artificial mulch and help deflect some of the heat thats chewing up the water in and around the seedling. Alot of people like to use a dome to increase humidity which slows the rate thay water is released from the seedling, but a dome will simultaneously stifle gas exchange.