Reproductive Biology of Selaginella | Zendy

Kenton E. Brooks | Zendy

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Reproductive Biology of Selaginella

Author(s) -

Kenton E. Brooks

Publication year - 1973

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.51.4.718

Subject(s) - strobilus , selaginella , ethephon , biology , botany , ethylene , horticulture , biochemistry , catalysis

Control clumps of Selaginella wallacei Heiron., sprayed with distilled water with Tween 20, produced a high proportion of microsporangia. Similar clumps sprayed with 2-chlorethyl-phosphonic acid, and ethylene-releasing compound (Ethephon), at 7.65 and 76.5 mg/liter produced almost exclusively megasporangia. Treatment of Selaginella pallescens (Presl) Spring with Ethephon at 34 mg/liter caused the production of megasporangia in the microsporangiate files of the strobili. The possibility that ethylene may be involved in the regulation of heterospory in Selaginella is discussed.

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