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

Product Information

Valent Organic Gnatrol WDG BTI Pesticide: A powerful biological larvicide for greenhouses to control fungus gnat larvae. I do first plan on adding another culture of springtails, give them a couple weeks to establish and see if that affects the gnats at all. I just wanted to mention my positive experience using Gnatrol (a biological control [Bacillus thuringiensis] for fungus gnats).

To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. UConn info on Bt -- " Bt bacteria are one-celled organisms that reproduce asexually through spores creating crystal proteins as it does. First of all, what they sell isn't live, viable bacteria; the toxicant that kills the larvae is actually a part of the Bti spore .

I still see and squash one or two gnats every few days, but the problem seems to be a lot more under control. Sprout - most compact and affordable version with 10" height and regular, traditional CFL grow light. Read more about the condition New: A brand-new, unused, unopened and undamaged item in original retail packaging (where packaging is applicable).

Plants are easily replaceable, and fungus gnats are easily controlled (if not eradicated) in other ways (physical evacuation, vinegar trap). It's ideal for use with ornamental and nursery plantings in greenhouses or potting soil mixtures, as well as vegetable plants such as tomatoes, leafy and cole crops, cucumbers, peppers, and eggplants. Apply Gnatrol WDG with adequate water by soil drench to sufficiently wet the soil surface above and under benches where larvae are found. Because it's a bacteria that's found naturally in soils anyway, there's less fear of using it than more dangerous chemical solutions.You'll find that most of us here are very conservative when it comes to risk to frogs, so even a link to harm is enough of a red light. Since I did this about two weeks ago, the number of gnats definitely appear to have lessened both at home and in the office. Although Gnatrol® SC has no known effect on the development of populations of natural predators and beneficial insects in integrated pest management programmes, growers should consult appropriately before use. Regular follow-up applications using the suggested light infestations rates, will establish a long-term maintenance program.

Gnatrol is a highly selective, organic biological larvicide used for the control of fungus gnat larvae. If the item comes direct from a manufacturer, it may be delivered in non-retail packaging, such as a plain or unprinted box or plastic bag. Gnatrol WDG is listed by the Organic Materials Review Institute (OMRI) for use in organic production.Organic and systemic pesticides for the most common indoor, outdoor and greenhouse pests: Fungus Gnats, Whiteflies (Silverleaf, Sweetpotato, Banded-winged, Citrus, Giant), Spider Mites, Broad Mite, Tomato Russet Mite, Pacific Mite, Two spotted, Strawberry, European Red, Clover, Southern red, Spruce, Bamboo, Lewis mite. At 75ºF, eggs hatch in about 3 days, the larvae take approximately 10 days to develop into pupae, and about 4 days later the adults emerge. NEW FORMULATION Gnatrol WDG Water Dispersible Granule biological larvicide offers the same effective control of fungus gnat larvae that growers expect from Gnatrol, but with added product benefits. Because the larvae attack the roots, the plants cannot obtain the nutrients that are needed to grow and will start to wilt. Gnatrol WDG Biological Larvicide is a highly selective, biological larvicide for use in greenhouses to control fungus gnat larvae.