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  1. Vol. 9 No. 5, p. 651-653
     
    Received: Mar 29, 1969
    Published: Sept, 1969


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doi:10.2135/cropsci1969.0011183X000900050044x

Isolation of Self-Fertile, Homomorphic Forms in Buckwheat, Fagopyrum sagittatum Gilib1

  1. H. G. Marshall2

Abstract

Abstract

Buckwheat is self-incompatible because of a heteromorphic, sporophytic incompatibility system. A new flower form with a reduced style length was found, and self-fertile, homomorphic lines were subsequently developed. Certain lines are especially adapted to selfpollination since the flowers have equal pistil and stamen height. A significant positive correlation occurred between parent and progeny self-fertility during the S2 through S4 generations, and the relationship was linear. The S4 lines with the new flower form averaged 4.8 seeds per raceme compared to 0.9 for “thrum” and 1.3 for “pin” flower lines.

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