What role does anaerobic respiration play in plants?

Yes ,it does occur in every cell which is respiring in lack of oxygen ,for plants it's not normal stuff though because the photosynthesis in them is already producing metabolic O2 which can be used in reputation. read more

In the plant world, anaerobic respiration, or respiration without using oxygen, is known as fermentation. This process is commonly used to our advantage in the production of beer and ales where barley, hops and other grains are fermented to produce alcohol, a natural by-product of anaerobic respiration in plants. read more

Anaerobic respiration also takes place in plants and some microbial cells in the presence of little or no oxygen. Examples of this include the roots of plants in waterlogged soils and bacteria in puncture wounds. read more