Grub Control Comparison

One of our technicians had some white grubs at the apartments where he lives. We tried an experiment to see how well Sevin stacked up against nematodes.
We also applied Merit- even though we knew it was too late to be effective. This was done mid October.

Here's what we found 2 weeks later:
Merit did nothing- as expected
Neem Oil - did not perform
Sevin - reduced the population by about two-thirds.
Nematodes -Worked better than the Sevin. Almost all the grubs were dead.

Nematodes work best when the soil is saturated. Nematodes need the moisture to move around in the soil to get to the grubs. The lawn was watered well the night before.

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