Is it safer to wait until the soil dries so that I can start the drenching? Or is it whatever? Gnatrol should be used only when you would ordinarily water. Allow the soil to dry out appropriately just as in your normal routine. Thorough drenching is a must for ALL plants each time you water. As long as your potting mix is one that is coarse textured and drains well you'll not need to be concerned about over watering.
Or fungus gnats, for that matter. Darned pesky things. Please help decide how to decorate and use this room. How to use existing wool rugs, but make it less formal. Here is a link that might be useful: very expensive drenching apparatus. Making up a gallon of gnatrol solution would be quite a waste of product. But you actually have a good plan about soaking the plant to make sure that the soil volume is totally saturated Then you can water with the Gnatrol solution and use quite a bit less than you ordinarily would have to.
There will be directions on the container. There's a liquid formulation as well as water dispersable granules. Which do you have? And how will you be using it? Per gallon or per gallons? Everyone who struggles with this pest on a regular basis needs to remember that unless the REAL issues are solved, you'll always have the battle.
Nice Guy. It was time for me to turn to Gnatrol You can purchase Gnatrol for a reasonable price at Amazon. 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. After all, the point of growing these plants is for me to clear the air, and the last thing I need is for my plants and soil to be poisoning me. But that's when I did my research.
At first glance, Gnatrol sounds scary. It's a "larvacide" with an active ingredient called " Bacillus thuringiensis subsp. Did I really want to put bacteria into all my houseplants? I mean, putting live parasites the nematodes was freaky enough an idea to get used to.
The song "I know an old lady who swallowed a fly" kept ringing through my head. Box , Ventura, CA Bacillus thuringiensis subspecies israelensis , the active ingredient in Gnatrol, is a common bacterium found naturally in soil. Since it was discovered in , Bt has been developed for insect control, and was first available commercially in the s. Other strains of Bacillus thuringiensis bacteria have been discovered that target certain types of fly larvae Bti, or israelensis strains.
Insecticidal activity is specific among strains of Bt; strains developed for caterpillars do not affect fly larvae. Bacillus thuringiensis bacteria degrade in sunlight.
Most formulations persist on foliage less than a week following application. Some formulations become ineffective after 24 hours; check different formulations for information on effectiveness and persistence. Bt must be ingested to be effective; therefore, application must be thorough. Sticking or wetting agents can be added to Bt applications to enhance coverage, resist washing, and improve performance. Pest identification is important to distinguish fungus gnats from shore flies that are not affected by Gnatrol.
Shore fly adults are larger with light-colored spots on dark wings. They are stronger fliers than fungus gnats. The specificity of the bacteria works as an advantage in biological control programs because without the broad-spectrum activity, it is not harmful to beneficial insects and therefore integrates well with other natural control programs. The greatest advantage of Bt is that it is essentially nontoxic to humans, pets, and wildlife.
Many formulations are OMRI listed and can be used up until harvest on a wide variety of crops. I like to apply this the same day every week so that the interval between uses stays the same. If you have a full blown infestation already, then you want to use Gnatrol 3 to 4 times 3 days apart, and then switch to the once per week schedule.
Use it at the same 1 tablespoon per gallon of water rate. Besides using Gnatrol weekly, you want to keep your grow room or tent clean. This won't be an issue since you are now nuking the soil with Gnatrol. Chris Brady. Older Post. Newer Post. For those people that don't know what a tensiome In the cannabis world it has been long he You should always treat any incoming plant stock as if it Close esc Popup.
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