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Cytogenetic studies in Trifolium Spp. related to berseem - I. Intra- and interspecific hybrid seed formation
Year:
1973
Source of publication :
Theoretical and Applied Genetics
Authors :
Katznelson, Joseph
;
.
Putievsky, Eli
;
.
Volume :
43
Co-Authors:
Putiyevsky, E., Division of Pasture and Forage Crops, Agricultural Research Organization, Newe Ya'ar Experiment Station, P.O. Haifa, Israel
Katznelson, J., Division of Pasture and Forage Crops, Agricultural Research Organization, Newe Ya'ar Experiment Station, P.O. Haifa, Israel
Facilitators :
From page:
351
To page:
358
(
Total pages:
8
)
Abstract:
Seed formation by large-scale hybridization within and between Trifolium species related to T. alexandrinum L., was studied. The twelve species studied were: a. T. alexandrinum L., b. T. berytheum Boiss., c. T.salmoneum Mout., d, T. apertum Bobr., e. T. Meironense Zoh. et Lern., f. T. echinatum M.B., g. T. latinum Seb., h. T.carmeli Boiss., i. T. scutatum Boiss., j. T. plebeium Boiss., k. T. vavilovi Eig. and 1. T. constantinopolitanum Ser. Hybridization was done either by emasculation and fertilization by hand, or in nature, by utilizing the existence of natural stands and to serve as pollen source the self-incompatibility of some of the species concerned. Results of the two methods were highly comparable although seedset was much higher when crossing was done manually. Crossability, as estimated by seedset, varied in specific cross combinations and ranged between 0 and 70%. Based on the pattern of crossability, five crossability groups were identified with > 20% seedset in interspecific-intra-group cross combinations, and usually less than 5% in inter-group cross combinations. Species a, b, c, d and e form the first crossability group; f, g and h form the second one; h, i, j belong to the third crossability group, while k and l appear as unispecific fourth and fifth crossability groups. The high level of seedset in interspecific hybridization is discussed. © 1973 Springer-Verlag.
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DOI :
10.1007/BF00278172
Article number:
Affiliations:
Database:
Scopus
Publication Type:
article
;
.
Language:
English
Editors' remarks:
ID:
19719
Last updated date:
02/03/2022 17:27
Creation date:
16/04/2018 23:31
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Scientific Publication
Cytogenetic studies in Trifolium Spp. related to berseem - I. Intra- and interspecific hybrid seed formation
43
Putiyevsky, E., Division of Pasture and Forage Crops, Agricultural Research Organization, Newe Ya'ar Experiment Station, P.O. Haifa, Israel
Katznelson, J., Division of Pasture and Forage Crops, Agricultural Research Organization, Newe Ya'ar Experiment Station, P.O. Haifa, Israel
Cytogenetic studies in Trifolium Spp. related to berseem - I. Intra- and interspecific hybrid seed formation
Seed formation by large-scale hybridization within and between Trifolium species related to T. alexandrinum L., was studied. The twelve species studied were: a. T. alexandrinum L., b. T. berytheum Boiss., c. T.salmoneum Mout., d, T. apertum Bobr., e. T. Meironense Zoh. et Lern., f. T. echinatum M.B., g. T. latinum Seb., h. T.carmeli Boiss., i. T. scutatum Boiss., j. T. plebeium Boiss., k. T. vavilovi Eig. and 1. T. constantinopolitanum Ser. Hybridization was done either by emasculation and fertilization by hand, or in nature, by utilizing the existence of natural stands and to serve as pollen source the self-incompatibility of some of the species concerned. Results of the two methods were highly comparable although seedset was much higher when crossing was done manually. Crossability, as estimated by seedset, varied in specific cross combinations and ranged between 0 and 70%. Based on the pattern of crossability, five crossability groups were identified with > 20% seedset in interspecific-intra-group cross combinations, and usually less than 5% in inter-group cross combinations. Species a, b, c, d and e form the first crossability group; f, g and h form the second one; h, i, j belong to the third crossability group, while k and l appear as unispecific fourth and fifth crossability groups. The high level of seedset in interspecific hybridization is discussed. © 1973 Springer-Verlag.
Scientific Publication
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