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Genetic mapping of a mutant gene producing three pistils per floret in common wheat

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Abstract

A common wheat (Triticum aestivum L.) mutation that produces 3 pistils (TP) per floret may result in formation of up to 3 kernels per floret. The TP trait may be important for increasing the number of grains per spike and for improving the yield potential through breeding. This trait is determined by the dominantPis1 gene. Genetic mapping ofPis1 involved 234 microsatellite markers and bulk segregant analysis of a cross of the TP line with Novosibirskaya 67. ThePis1 gene is located on chromosome 2DL, between markersXgwm539 andXgwm349. This result does not agree with a previously published localization of thePis1 gene on chromosome 5B. The possible importance of TP wheat as an alternative genetic resource is discussed.

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Authors and Affiliations

  1. China West Normal University, Nanchong, Sichuan, China

    Zheng-Song Peng

  2. Agrotest fyto, Ltd., Havličkova, Kroměří, Czech Republic

    Petr Martinek

  3. College of Agriculture, Ibaraki University, 3-21-1 Chuo, Ami, Inashiki, 300-0393, Ibaraki, Japan

    Kazumasa Kosuge, Tsutomu Kuboyama & Nobuyoshi Watanabe

Authors
  1. Zheng-Song Peng
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  2. Petr Martinek
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  3. Kazumasa Kosuge
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  4. Tsutomu Kuboyama
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  5. Nobuyoshi Watanabe
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Correspondence to Nobuyoshi Watanabe.

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Peng, ZS., Martinek, P., Kosuge, K. et al. Genetic mapping of a mutant gene producing three pistils per floret in common wheat. J Appl Genet 49, 135–139 (2008). https://doi.org/10.1007/BF03195606

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  • DOI: https://doi.org/10.1007/BF03195606

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