What is the primary action of cell membrane disruptor herbicides?

Cell membrane disruptor herbicides primarily act by damaging the integrity of plant cell membranes. This disruption leads to the leakage of cellular contents, which is detrimental to plant cells and ultimately results in the death of the plant tissue. By breaking down the cellular structure, these herbicides effectively inhibit the plant's ability to maintain homeostasis and perform necessary physiological functions. This characteristic is what makes cell membrane disruptors particularly effective for controlling unwanted vegetation.

The other options do not align with the primary function of cell membrane disruptor herbicides. For instance, inhibiting root development pertains to a different mode of action and is not directly related to membrane disruption. Chlorophyll production enhancement is also not a function of these herbicides; instead, such herbicides focus on causing cellular damage. Improving soil quality does not relate to the action of herbicides, as their primary role is to affect plant physiology rather than directly influencing soil health.