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Article

Analysis of genetic composition and transmitted parental heterozygosity of natural 2n gametes in Populus tomentosa based on SSR markers.

Planta - 1 Jun 2018

Han Zhiqiang, Geng Xining, Du Kang, Xu Congping, Yao Pengqiang, Bai Fengying, Kang Xiangyang

Abstract excerpt

MAIN CONCLUSION: Natural 2n female gametes and transmission of parental heterozygosity by natural 2n gametes in Populus tomentosa are reported for the first time, which provides a new approach to polyploid breeding. Naturally occurring 2n pollen is widespread in Populus tomentosa and plays an important role in polyploid breeding. However, the competitiveness of 2n pollen is lower than that of haploid pollen...

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PMID: 29523962
DOI: 10.1007/s00425-018-2871-4

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