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Article

Two types of partial fertility in a diploid population of the fern Thelypteris decursive-pinnata (Thelypteridaceae).

Journal of plant research - 1 Jul 2012

Nakato Narumi, Ootsuki Ryo, Murakami Noriaki, Masuyama Shigeo

Abstract excerpt

Two types of abnormal sporophytes were observed in a population of diploid Thelypteris decursive-pinnata. Most sporophytes in this population exhibited regular chromosome pairing, resulting in the formation of 30 bivalents in meiosis I; however, they produced abortive spores to various degrees. Some formed large globose spores at low frequencies, most likely to be unreduced diplospores. The other type of abnormal...

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PMID: 22038490
DOI: 10.1007/s10265-011-0461-7

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