Full TGIF Record # 136278
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Publication Type:
i
Proceedings
Author(s):Netzband, K.; Wacker, G.
Author Affiliation:Institut für Futterproduktion Paulinenaue der Akademie der Landwirtschaftswissenschaften der Deutschen Demokratischen Republik
Title:Results of interspecific and intergeneric hybridization of Lolium L. and Festuca L.
Section:Breeding and seed production of grasses and legumes: Variability, establishment of new initial material (mutation, interspecific and intergeneric hybridizations)
Other records with the "Breeding and seed production of grasses and legumes: Variability, establishment of new initial material (mutation, interspecific and intergeneric hybridizations)" Section
Source:International Grassland Congress, Proceedings. Vol. 1, 1977, p. 345-347.
# of Pages:3
Publishing Information:Zurich, Etc., V. P.
Keywords:TIC Keywords: Interspecific hybridization; Intergeneric hybridization; Lolium multiflorum; Festuca pratensis; Festuca arundinacea; Crosses; Reproductive fertility; Breeding improvement
Abstract/Contents:"Interspecific and intergeneric hybridization of Festuca pratensis (2n = 14) × Festuca arundinacea (2n = 42), Lolium multiflorum (2n = 14) × Festuca arundinacea (2n=42), and Festuca pratensis (2n = 28) × Lolium multiflorum (2n = 28) has been performed since 1971. From the largely sterile F1 (2n = 28) of the crosses with Festuca arundinacea partly fertile progenies with 2n = 56 chromosomes were obtained after colchicine treatment of seedling plants in their two- to three-leaf stage. For testing plant fertility - fertility being expressed by the number of plants that emerged per defined seed quality - pollen staining is rather unsuitable an approach as in the individual plants no sufficiently close correlation exists between staining and seed setting. For improving the quality characters of the hybrids, the latter were backcrossed with diploid and tetraploid Lolium multiflorum and Festuca pratensis, respectively. Preliminary yield tests applied to the progenies from Festuca pratensis × Lolium multiflorum have shown that the best progenies would reach the performance of Lolium multiflorum in their first year of use and they would even exceed that level in their second year. The performance of Lolium hybridum is exceeded by some of the progenies in both years of use."
Language:English
References:0
Note:Tables
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Netzband, K., and G. Wacker. 1977. Results of interspecific and intergeneric hybridization of Lolium L. and Festuca L.. p. 345-347. In International Grassland Congress, Proceedings. Zurich, Etc., V. P.
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