One way to kill a tree is to girdle it by cutting a groove a centimeter into the bark all around the trunk of the tree.The tree will typically survive that growing season,but will die over the winter.Why wouldn't girdling work on a large grass?

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Quizplus · Accepted Answer

Grasses are monocots, and one of the characteristics of monocots is that their vascular bundles (which include xylem and phloem necessary for water and nutrient transport) are scattered throughout the stem's ground tissue, not arranged in a ring as in many dicots. Girdling, which disrupts the vascular system in a ring around the tree, wouldn't effectively disrupt the scattered vascular system of a large grass.

One Way to Kill a Tree Is to Girdle It