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Cleistothecium (pl. Cleistothecia) Closed, usually spherical, ascus-containing structure of powdery mildew fungi, also known as a chasmothecium. A sexual fruiting structure. ...

Conidiophore The specialized fungal hyphal branch that bears the conidium. ...

Conidium (pl. Conidia) Asexual spore formed by abstriction and detachment of part of a hyphal cell at the end of a conidiophore and germinating by a germ tube. ...

Coremium A cluster of erect fungus filaments (hyphae) that are joined together to form a column and that bear asexual spores (conidia). ...

Cultivar (abbr. cv.) A cultivated plant variety or cultural selection. Used synonymously with variety. ...

Curl The distortion, fluting, and puffing of a leaf resulting from the unequal development of its two sides. ...

Damping-off Decay of seeds in the soil (pre-emergent damping-off) or young seedlings before or after emergence (post-emergent damping-off). ...

Diagnostic Distinctive. A distinguishing characteristic serving to identify or determine the presence of a disease or other condition. ...

Dieback Progressive death of shoots, branches, and roots generally starting at the tips. ...

Diploid Having a double set of chromosomes (2 n chromosomes) per cell. ...