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    Author(s): Ronald S., Jr. ZalesnyDon E. Riemenschneider; Richard B. Hall
    Date: 2002
    Source: In: Fourth biennial meeting of the short rotation woody crops operations working group; 2002 September 14-17; Alexandria, MN. [Place of publication unknown]:[Publisher unknown]: 15. [Abstract].
    Publication Series: Other
    Station: Northern Research Station
    PDF: View PDF  (61.71 KB)

    Description

    Backcross breeding uses two crosses to create genotypes with improved traits. The first cross establishes an F1 population, which is then used as the female parent in a set of second crosses. The male parent of the second cross is often a genotype well-adapted to local environments. A currently investigated backcross population is the result of crosses between Populus deltoides x P. trichocarpa females and P. deltoides males. Therefore, recombination may result in BC1 genotypes ranging from almost 50% P. trichocarpa to nearly 100% P. deltoides. The goal of this breeding scheme is to incorporate rooting ability of P. trichocarpa into regional adaptability of P. deltoides.

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    Citation

    Zalesny, Ronald S., Jr.; Riemenschneider, Don E.; Hall, Richard B. 2002. Evaluating hybrid poplar rooting. II. backcross breeding method exhibits exceptional promise. In: Fourth biennial meeting of the short rotation woody crops operations working group; 2002 September 14-17; Alexandria, MN. [Place of publication unknown]:[Publisher unknown]: 15. [Abstract].

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