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INHERITANCE OF DRY MATTER YIELD IN A HETEROZYGOUS POPULATION OF ALFALFA
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| Zeitschriftentitel: | Canadian Journal of Plant Science |
|---|---|
| Personen und Körperschaften: | , |
| In: | Canadian Journal of Plant Science, 61, 1981, 2, S. 313-318 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
Canadian Science Publishing
|
| Schlagwörter: |
| author_facet |
BOWLEY, STEVE R. CHRISTIE, B. R. BOWLEY, STEVE R. CHRISTIE, B. R. |
|---|---|
| author |
BOWLEY, STEVE R. CHRISTIE, B. R. |
| spellingShingle |
BOWLEY, STEVE R. CHRISTIE, B. R. Canadian Journal of Plant Science INHERITANCE OF DRY MATTER YIELD IN A HETEROZYGOUS POPULATION OF ALFALFA Horticulture Plant Science Agronomy and Crop Science |
| author_sort |
bowley, steve r. |
| spelling |
BOWLEY, STEVE R. CHRISTIE, B. R. 0008-4220 1918-1833 Canadian Science Publishing Horticulture Plant Science Agronomy and Crop Science http://dx.doi.org/10.4141/cjps81-044 <jats:p> Additive and digenic variances for dry matter yield were estimated from a population of F<jats:sub>1</jats:sub> lines of alfalfa (Medicago sativa L.). The F<jats:sub>1</jats:sub> lines and their polycross (PX) progenies were both evaluated over three harvests in a simulated sward in a growth room. From the analyses of variance, the genetic variances of the F<jats:sub>1</jats:sub> and PX lines were estimated and the covariance between the F<jats:sub>1</jats:sub> and PX performance calculated for dry matter yield. Correlations between relatives were used to partition these variances into additive and digenic effects. Narrow-sense heritabilities and the expected response to selection were estimated for the F<jats:sub>1</jats:sub> population and broad-sense heritabilities were calculated from the F<jats:sub>1</jats:sub> and PX trials. The pooled estimates of additive variance were significantly greater than zero for the second harvest and total yield while all estimates of digenic variance were nonsignificant. This indicated that the genetic variance for dry matter yield was mainly additive. The expected response to selection for total dry matter yield, if the top 10% of the F<jats:sub>1</jats:sub> lines were recombined, was 23% of the F<jats:sub>1</jats:sub> population mean. Based on these results, it was concluded that selection gains for yield could be made in this population of alfalfa. </jats:p> INHERITANCE OF DRY MATTER YIELD IN A HETEROZYGOUS POPULATION OF ALFALFA Canadian Journal of Plant Science |
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10.4141/cjps81-044 |
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Online Free |
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Land- und Forstwirtschaft, Gartenbau, Fischereiwirtschaft, Hauswirtschaft Biologie |
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Canadian Science Publishing, 1981 |
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Canadian Science Publishing, 1981 |
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0008-4220 1918-1833 |
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0008-4220 1918-1833 |
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English |
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bowley1981inheritanceofdrymatteryieldinaheterozygouspopulationofalfalfa |
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1981 |
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Canadian Science Publishing |
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Canadian Journal of Plant Science |
| source_id |
49 |
| title |
INHERITANCE OF DRY MATTER YIELD IN A HETEROZYGOUS POPULATION OF ALFALFA |
| title_unstemmed |
INHERITANCE OF DRY MATTER YIELD IN A HETEROZYGOUS POPULATION OF ALFALFA |
| title_full |
INHERITANCE OF DRY MATTER YIELD IN A HETEROZYGOUS POPULATION OF ALFALFA |
| title_fullStr |
INHERITANCE OF DRY MATTER YIELD IN A HETEROZYGOUS POPULATION OF ALFALFA |
| title_full_unstemmed |
INHERITANCE OF DRY MATTER YIELD IN A HETEROZYGOUS POPULATION OF ALFALFA |
| title_short |
INHERITANCE OF DRY MATTER YIELD IN A HETEROZYGOUS POPULATION OF ALFALFA |
| title_sort |
inheritance of dry matter yield in a heterozygous population of alfalfa |
| topic |
Horticulture Plant Science Agronomy and Crop Science |
| url |
http://dx.doi.org/10.4141/cjps81-044 |
| publishDate |
1981 |
| physical |
313-318 |
| description |
<jats:p> Additive and digenic variances for dry matter yield were estimated from a population of F<jats:sub>1</jats:sub> lines of alfalfa (Medicago sativa L.). The F<jats:sub>1</jats:sub> lines and their polycross (PX) progenies were both evaluated over three harvests in a simulated sward in a growth room. From the analyses of variance, the genetic variances of the F<jats:sub>1</jats:sub> and PX lines were estimated and the covariance between the F<jats:sub>1</jats:sub> and PX performance calculated for dry matter yield. Correlations between relatives were used to partition these variances into additive and digenic effects. Narrow-sense heritabilities and the expected response to selection were estimated for the F<jats:sub>1</jats:sub> population and broad-sense heritabilities were calculated from the F<jats:sub>1</jats:sub> and PX trials. The pooled estimates of additive variance were significantly greater than zero for the second harvest and total yield while all estimates of digenic variance were nonsignificant. This indicated that the genetic variance for dry matter yield was mainly additive. The expected response to selection for total dry matter yield, if the top 10% of the F<jats:sub>1</jats:sub> lines were recombined, was 23% of the F<jats:sub>1</jats:sub> population mean. Based on these results, it was concluded that selection gains for yield could be made in this population of alfalfa. </jats:p> |
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| author | BOWLEY, STEVE R., CHRISTIE, B. R. |
| author_facet | BOWLEY, STEVE R., CHRISTIE, B. R., BOWLEY, STEVE R., CHRISTIE, B. R. |
| author_sort | bowley, steve r. |
| container_issue | 2 |
| container_start_page | 313 |
| container_title | Canadian Journal of Plant Science |
| container_volume | 61 |
| description | <jats:p> Additive and digenic variances for dry matter yield were estimated from a population of F<jats:sub>1</jats:sub> lines of alfalfa (Medicago sativa L.). The F<jats:sub>1</jats:sub> lines and their polycross (PX) progenies were both evaluated over three harvests in a simulated sward in a growth room. From the analyses of variance, the genetic variances of the F<jats:sub>1</jats:sub> and PX lines were estimated and the covariance between the F<jats:sub>1</jats:sub> and PX performance calculated for dry matter yield. Correlations between relatives were used to partition these variances into additive and digenic effects. Narrow-sense heritabilities and the expected response to selection were estimated for the F<jats:sub>1</jats:sub> population and broad-sense heritabilities were calculated from the F<jats:sub>1</jats:sub> and PX trials. The pooled estimates of additive variance were significantly greater than zero for the second harvest and total yield while all estimates of digenic variance were nonsignificant. This indicated that the genetic variance for dry matter yield was mainly additive. The expected response to selection for total dry matter yield, if the top 10% of the F<jats:sub>1</jats:sub> lines were recombined, was 23% of the F<jats:sub>1</jats:sub> population mean. Based on these results, it was concluded that selection gains for yield could be made in this population of alfalfa. </jats:p> |
| doi_str_mv | 10.4141/cjps81-044 |
| facet_avail | Online, Free |
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| imprint | Canadian Science Publishing, 1981 |
| imprint_str_mv | Canadian Science Publishing, 1981 |
| institution | DE-Zwi2, DE-D161, DE-Gla1, DE-Zi4, DE-15, DE-Pl11, DE-Rs1, DE-105, DE-14, DE-Ch1, DE-L229, DE-D275, DE-Bn3, DE-Brt1 |
| issn | 0008-4220, 1918-1833 |
| issn_str_mv | 0008-4220, 1918-1833 |
| language | English |
| last_indexed | 2024-03-01T14:25:36.033Z |
| match_str | bowley1981inheritanceofdrymatteryieldinaheterozygouspopulationofalfalfa |
| mega_collection | Canadian Science Publishing (CrossRef) |
| physical | 313-318 |
| publishDate | 1981 |
| publishDateSort | 1981 |
| publisher | Canadian Science Publishing |
| record_format | ai |
| recordtype | ai |
| series | Canadian Journal of Plant Science |
| source_id | 49 |
| spelling | BOWLEY, STEVE R. CHRISTIE, B. R. 0008-4220 1918-1833 Canadian Science Publishing Horticulture Plant Science Agronomy and Crop Science http://dx.doi.org/10.4141/cjps81-044 <jats:p> Additive and digenic variances for dry matter yield were estimated from a population of F<jats:sub>1</jats:sub> lines of alfalfa (Medicago sativa L.). The F<jats:sub>1</jats:sub> lines and their polycross (PX) progenies were both evaluated over three harvests in a simulated sward in a growth room. From the analyses of variance, the genetic variances of the F<jats:sub>1</jats:sub> and PX lines were estimated and the covariance between the F<jats:sub>1</jats:sub> and PX performance calculated for dry matter yield. Correlations between relatives were used to partition these variances into additive and digenic effects. Narrow-sense heritabilities and the expected response to selection were estimated for the F<jats:sub>1</jats:sub> population and broad-sense heritabilities were calculated from the F<jats:sub>1</jats:sub> and PX trials. The pooled estimates of additive variance were significantly greater than zero for the second harvest and total yield while all estimates of digenic variance were nonsignificant. This indicated that the genetic variance for dry matter yield was mainly additive. The expected response to selection for total dry matter yield, if the top 10% of the F<jats:sub>1</jats:sub> lines were recombined, was 23% of the F<jats:sub>1</jats:sub> population mean. Based on these results, it was concluded that selection gains for yield could be made in this population of alfalfa. </jats:p> INHERITANCE OF DRY MATTER YIELD IN A HETEROZYGOUS POPULATION OF ALFALFA Canadian Journal of Plant Science |
| spellingShingle | BOWLEY, STEVE R., CHRISTIE, B. R., Canadian Journal of Plant Science, INHERITANCE OF DRY MATTER YIELD IN A HETEROZYGOUS POPULATION OF ALFALFA, Horticulture, Plant Science, Agronomy and Crop Science |
| title | INHERITANCE OF DRY MATTER YIELD IN A HETEROZYGOUS POPULATION OF ALFALFA |
| title_full | INHERITANCE OF DRY MATTER YIELD IN A HETEROZYGOUS POPULATION OF ALFALFA |
| title_fullStr | INHERITANCE OF DRY MATTER YIELD IN A HETEROZYGOUS POPULATION OF ALFALFA |
| title_full_unstemmed | INHERITANCE OF DRY MATTER YIELD IN A HETEROZYGOUS POPULATION OF ALFALFA |
| title_short | INHERITANCE OF DRY MATTER YIELD IN A HETEROZYGOUS POPULATION OF ALFALFA |
| title_sort | inheritance of dry matter yield in a heterozygous population of alfalfa |
| title_unstemmed | INHERITANCE OF DRY MATTER YIELD IN A HETEROZYGOUS POPULATION OF ALFALFA |
| topic | Horticulture, Plant Science, Agronomy and Crop Science |
| url | http://dx.doi.org/10.4141/cjps81-044 |