Cultures of Azolla caroliniana Willd. free of the symbiotic blue-green alga, Anabaena azollae, were obtained by treatment of Azolla fronds with a regimen of antibiotics. These symbiont-free plants can ...
Annals of Botany, New Series, Vol. 35, No. 141 (June 1971), pp. 697-705 (9 pages) Selenate, selenite, selenomethionine, and selenopurine are toxic to Anacystis nidulans and Anabaena variabilis. These ...
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