(2-Chloroethyl)phosphonic Acid Promotes Germination of Immature Spores of Ceratopteris richardii Brongn.
Freshly collected spores of strain Hn-n of Ceratopteris richardii Brongn. require storage for several months before attaining maximum germination rate. Treatments using (2-chloroethyl)phosphonic acid increased germination rate in freshly collected spores and decreased germination rate in older spores.
Warne
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Department of Botany, University of Tennessee, Knoxville, Tennessee 37996-1100.
Hickok
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