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Candy from Shaver Lake, Ca writes,

How do I apply Merit granules around a 150-foot pine tree to protect against beetle infestation?

I live in the sierras and Merit granules were suggested by my arborist to protect our pines and alders from beetle infestation. I was told to apply it around the base of each tree, but I'm unclear on how to measure the tree to determine how much I need.


According to the Merit Granules product label, this product is specifically for protecting plants and trees from white grub larvae in the soil. We recommend that you use the Merit 75 WP or the Merit 75 WSP. Please read the Merit 75 WP product page (scroll down below the product description) for more information on how to calculate how much Merit you will need to treat your trees.

Answer last updated on: 10/11/2011

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