Influence of Water Activity, Temperature, and Their Interaction on Germination of Verticillium albo-atrum Conidia | Zendy

Bimal K. Guha Mozumder | Zendy; N. E. Caroselli | Zendy; Luke S. Albert | Zendy

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Influence of Water Activity, Temperature, and Their Interaction on Germination of Verticillium albo-atrum Conidia

Author(s) -

Bimal K. Guha Mozumder,

N. E. Caroselli,

Luke S. Albert

Publication year - 1970

Publication title -

plant physiology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.554

H-Index - 312

eISSN - 1532-2548

pISSN - 0032-0889

DOI - 10.1104/pp.46.2.347

Subject(s) - germination , conidium , verticillium , water activity , horticulture , chemistry , botany , biology , water content , geotechnical engineering , engineering

Conidia were germinated at three temperatures in media in which available water, expressed as water activity, was controlled at three levels. Rate of germination in the basal medium (0.9964 water activity) was most rapid at 25 C and was inhibited at 15 and 30 C. Lowering the water activity at a particular temperature decreased rates of germination. However, at a low water activity (0.9778) germination rate was greater at 30 C than at 25 C. Thus, the effect of temperature on germination appears to be dependent on the water activity of the medium.

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