any plant disease resulting in withering without rotting(noun.state)
source: wordnet30
Mildew; decay; anything nipping or blasting; -- applied as a general name to various injuries or diseases of plants, causing the whole or a part to wither, whether occasioned by insects, fungi, or atmospheric influences.(noun)
source: webster1913
verb (v)
cause to suffer a blight(verb.weather)
Example: Too much rain may blight the garden with mold.