By far, the deep watering method is the most effective.

Oct 31, It is also a perfect way of minimizing the amount of water used for irrigation since the rate of releasing the water is controlled. Installing Tree Gator watering bags is quite easy and you do not need to use a manual. The bag is usually round and has some space in between where the tree is supposed to be.

Then thoroughly flush and clean the emitter nozzles with warm soapy water.

All you need is to do is put the bag around the tree, fill it with water and zip stumpmulching.barted Reading Time: 3 mins. Some people think the flies are frightened away by their own magnified reflections.

Another theory is that their sense of direction is disrupted when light is refracted through the water in the bag, and they become confused and fly away. Some people believe this. Purpose.

Pro on a tree or shrub larger than 5 in caliper may damage the product or water insufficiently.

Clear, water-filled, sandwich- or gallon-sized bags are hung, especially where food is frequently present, in an attempt to deter flies and other insects without using pesticides. Different trees release different amounts of water depending on leaf shape, size of the tree, rain production, season, and temperature. It's perfectly drinkable, assuming you start with a clean bag, and tastes slightly like the tree itself. It's actually quite pleasant, much better than boiled water in flavor.

Oct 02, It's not entirely certain why the bags work, the Tennessee Farm Bureau speculates it's because the pennies appear magnified in the water, which irritates the flies, who have large, sensitive eyes. Treegator Bags are NOT a permanent installation - they are meant to baricella brothers tree removal used on as-needed basis, as a more efficient and effective means of watering a newly planted tree or shrub. The bags are most often used during the initial 1 to 2 growing seasons after planting (typically March / April thru October / November, depending on your location / hardiness zone).

Other people theorize that the bags scare away flies, either because they resemble wasp nests or because the flies' own large reflections in the water scare them.

Insect expert Zack Lemann, who is with the Audubon Insectarium, however, said in a stumpmulching.bar, Times-Picayune article that he and some Audubon Institute workers haven't found the bags to be effective. When Mike Stringham, professor of entomology at North Carolina State University, investigated the use of clear plastic water bags as a fly deterrent, he encountered just such a situation.

Stringham conducted a week field trial by installing commercial, water-based optical fly repellents on two egg stumpmulching.barg: tree.