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| Publication Type:
| Report |
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| Author(s): | Chen, Wen-pen;
Liu, Dajun |
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| Author Affiliation: | Department of Agronomy, NanJin Agricultural University |
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| Title: | Preliminary studies on improving ryegrass for summer-tolerance by using tall fescue germplasm |
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| Source: | [Zhongguo Caoye Kexue] [Pratacultural Science of China]. Vol. 5, No. 6, December 15 1988, p. 19-26. |
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| Publishing Information: | [Lanzhou Shi, China]: ["Cao Ye Ke Xue" Bian Jibu] |
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| # of Pages: | 7 |
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| Abstract/Contents: | "The cytogenetics and breeding utilization of intergeneric hybrids involving Lolium spp.. and Festuca arundinaca [arundinacea] have been studied. The results indicated: more hybrid seedlings of tetraploid annual ryegrass × hexaploid tall fescue by using the embryo culture technique; the chromosome numbers of fertile female gametes observed in F1 hybrids of F. multiflorum (4x) × F. arundinacea (6x) ranged from n=28 to n=35 and from n=13 to n=24 when the F1 hybrid plants backcrossed or crossed with F. multiflorum (4x) and with L. perenne (2x), respectively; from the standpoint of ryegrass breeding for summer-torance [tolerance], a more effective program could be relied on backcrossing F1 hybrids of . multiflorum (4x) rather than crossing to F1 hybridswith [hybrids with] L. perenne or with selfing the F1 hybrids; backcrossing F1 hybrids of ryegrass (2x) X tall fescue with ryegrass (2x) was not proved as an effective way for ryegrass breeding because of its low backcrossing seed-set. Amphiploids (2n=56) were produced by chochicine treatment for both F. multiflorum (2x) x F. arundinacea F1 hybrids and L. perenne (2x) × F. arundinacea F1 hybrids. The F1 hybridplants [hybrid plants] of L. multiflorum (2n=14 and 28) × F. arundinacea showed intermediate summer-tolerance as compared with their parents." |
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| Language: | Chinese |
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| References: | 18 |
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| Note: | Abstract also appears in English
Pictures, b/w
Figures
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Chen, W.-p., and D. Liu. 1988. Preliminary studies on improving ryegrass for summer-tolerance by using tall fescue germplasm. (In Chinese) [Zhongguo Caoye Kexue] [Pratacultural Science of China]. 5(6):p. 19-26. |
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