Gnatrol WDG Biological Larvicide for Fungus Gnats Larvae (OMRI Listed) - 16 pound pail

Product Information

I've admittedly been resisting this option because I've heard that Gnatrol is a "pesticide", and I wasn't keen on adding "dangerous chemicals" to my plants. It sounds a little nasty, but every morning I'd see new gnats buzzing around in the bag and then squash them. I think what kept the plant fighting was putting it in the bag, where it got ample humidity (something that ferns need).

Gnatrol WDG Biological Larvicide is OMRI certified Larvicide gnat control contains bacillus thuringiensis, a soil-dwelling bacterium that targets gnat larvae and kills them before they cause plant damage. It's a substance that's deadly to mosquito larvae (as well as larvae of blackflies, midges, and fungus gnats).Mortality was observed when woodlice received a topical application of the highest concentration of liquid Bti, but not at lower concentrations, nor when exposed via contaminated food or contaminated substrates. This effective, naturally occurring larvicide kills damaging gnat larvae in less than a day and brings infestation levels under control. Chlorine levels in potable water supplies should not present a problem with Gnatrol WDG performance). They're fine little bugs -- annoying, but completely harmless -- and I'm trying to be less of a speciesist about bugs. A LD50 study (by definition is going to kill half the test animals) is not an appropriate indicator for health effects if a normal dosage is expected.

Gnatrol OMRI comes in a water-dispersible granule formulation and doesn't leave excess chemicals on the application site. This is because Gnatrol will not affect adult flies after the pupae stage, so if some adults decide to lay more eggs you'll have a fresh batch of Bti for their young ones to feast on. t. to species of several invertebrate taxa (Acarina, Nematoda, Collembola, Annelida, Hymenoptera) inhabiting the soil has been demonstrated, but only rarely is it possible to relate dosage information to field situations, and in many cases the B. The 103 third parties who use cookies on this service do so for their purposes of displaying and measuring personalized ads, generating audience insights, and developing and improving products.Valent Gnatrol OMRI gives you a way to target gnat larvae and keep your young plants healthy through maturity. Use Gnatrol WDG Biological Larvicide in greenhouses where protection against fungus gnat larvae is necessary.