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Preliminary study of moss Homalia trichomanoides (Hedw.) Brid. gametophyte development from spores in vitro

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Current issue: Volume 21, No. 1 (2021)

PRELIMINARY STUDY OF MOSS HOMALIA TRICHOMANOIDES (HEDW.) BRID. GAMETOPHYTE DEVELOPMENT FROM SPORES IN VITRO

Anna Mežaka, Ilona Plaksenkova, Anarina Vanaga, Anastasija Petrova, Inita Svilāne


Mežaka A., Plaksenkova I., Vanaga A., Petrova A., Svilāne I. 2021. Preliminary study of moss Homalia trichomanoides (Hedw.) Brid. gametophyte development from spores in vitro. Acta Biol. Univ. Daugavp., 21 (1): 1 – 8.

Abstract
Bryophyte spore cultures are used in experimental research to understand not only fundamental problems in biology, but also to explore opportunities for practical application. The present
study focused on the moss Homalia trichomanoides (Hedw.) Brid. gametophyte development from spores in vitro. The study allowed us to discover the optimal sterilization method of H. trichomanoides capsules. Study results show different protonemal developmental stages from spore germination to gametophyte development in controlled conditions. We suggest the future research to investigate rare species in vitro growth in different climatic settings. This was the first attempt in Latvia to cultivate moss in vitro under controlled condition.

Key words: Bryophyte, spore cultures, protonema, moss protonema.


Anna Mežaka, Ilona Plaksenkova, Anarina Vanaga, Anastasija Petrova, Inita Svilāne.
Institute of Life Sciences and Technology, Daugavpils University, Parādes iela 1a, Daugavpils,
Latvia, LV5400, E-mail: anna.mezaka@du.lv, ilona.plaksenkova@du.lv, anarina.vanaga@
du.lv, anastacia.petrova@inbox.lv, svilanei@gmail.com