Palynokinesis

Palynokinesis is the psychic ability to manipulate spores, pollen and allergenic dander. One with this ability could stir up/clear up mists of allergenic spores and pollen, or induce physiological activity (which is key in allergic reaction) in nearly any organic material. This could be used to induce allergic reaction in nearly any living being (using nearly biotic material), or perhaps the allergenic properties of subjects which would otherwise irritate.