There are several things that can kill Moringa seedlings including too small a pot, too much water and root rot. Another huge problem is fungus gnats. If you see flying gnats, you have their eggs in your houseplant or Moringa pot soil. If you take the seedling out of the pot carefully, you will see there is little root left. Did they rot? If you have flying gnats, their tiny larvae probably ate the roots. The gnat larvae is so tiny, you may not even be able to see them without a magnifying glass. Trust me, they are there. One sign is that a healthy Moringa seedling will suddenly start to fall over. That is because the tiny larvae are eating the roots it needs to grow. The other seedlings may look fine next to it, so it is confusing. Take the seedling out to see if it has roots or if the roots seem to be eaten. It is pretty clear at that point. Gray rolly polly bugs are another one that eat the roots of young seedlings. Again if you see flying gnats, you have eggs in your potting soil.
Solution to Fungus Gnats:
Use the yellow sticky sheets to catch the adults. I had to buy them online. I could not find anything but fly sheets in Home Depot or several other stores. Fly sheets will not tray fungus gnats. They are drawn to the bright yellow color of the sticky sheets. You need to place them in and around your plants where you see them crawling or flying. Go on Amazon and get the best deal on them.
Get Gnatrol on the internet. I have tried sand, hydrogen peroxide and several things with little success. I have also read that some people don't find success with this either but I feel it works better than some of the other methods suggested. One reason customers may think Gnatrol does not work is because the larvae must eat it, then it starves them to death. You will see them moving after the liquid is applied and for some time later.
What is Gnatrol?
" Bacillus thuringiensis (Bt) is actually a naturally occurring bacterium, common in some soils, that causes disease in certain insects, most notably leaf and needle feeding caterpillars. It was first discovered in the early 1900s.The French were the first to advocate using Bt in the garden and by the 1960s, Bacillus thuringiensis products were available on the open market and were readily embraced by the organic gardening community." Read a great article on the subject here. The excerpt was taken from this article.
Gnatrol must be used correctly to work:
Gnatrol must be added to water to the right strength, then used as a drench on the plant. Drench means to soak the soil with the liquid. It takes treatment every 5 days for several weeks to get them under control.
Gnatrol must be ingested by the gnat larvae. It affects their ability to eat the roots of your seedlings. The larvae starve to death. This takes time. You will not see them killed immediately, so you may think it didn't work.
Try to let the soil dry out in between watering as well. In the future, I am going to water in the Gnatrol before I plant the seedlings.
Well this is all for today. Hope your weekend is restful.
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