Efficiency of indirect selection for grain yield in maize (Zea maysL.) under low nitrogen conditions through secondary traits under low nitrogen and grain yield under optimum conditions (Record no. 62444)
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| 000 -LEADER | |
|---|---|
| fixed length control field | 03197nab|a22003617a|4500 |
| 001 - CONTROL NUMBER | |
| control field | 62444 |
| 003 - CONTROL NUMBER IDENTIFIER | |
| control field | MX-TxCIM |
| 005 - DATE AND TIME OF LATEST TRANSACTION | |
| control field | 20250714163709.0 |
| 008 - FIXED-LENGTH DATA ELEMENTS--GENERAL INFORMATION | |
| fixed length control field | 200818s2020||||ne |||p|op||||00||0|eng|d |
| 022 ## - INTERNATIONAL STANDARD SERIAL NUMBER | |
| International Standard Serial Number | 0014-2336 |
| 022 ## - INTERNATIONAL STANDARD SERIAL NUMBER | |
| International Standard Serial Number | 1573-5060 (Online) |
| 024 8# - OTHER STANDARD IDENTIFIER | |
| Standard number or code | https://doi.org/10.1007/s10681-020-02668-w |
| 040 ## - CATALOGING SOURCE | |
| Original cataloging agency | MX-TxCIM |
| 041 ## - LANGUAGE CODE | |
| Language code of text/sound track or separate title | eng |
| 100 1# - MAIN ENTRY--PERSONAL NAME | |
| Personal name | Tadesse, B. |
| Field link and sequence number | 001712791 |
| Miscellaneous information | Global Maize Program |
| 9 (RLIN) | 1821 |
| 245 10 - TITLE STATEMENT | |
| Title | Efficiency of indirect selection for grain yield in maize (Zea maysL.) under low nitrogen conditions through secondary traits under low nitrogen and grain yield under optimum conditions |
| 260 ## - PUBLICATION, DISTRIBUTION, ETC. (IMPRINT) | |
| Place of publication, distribution, etc. | Dordrecht (Netherlands) : |
| Name of publisher, distributor, etc. | Springer, |
| Date of publication, distribution, etc. | 2020. |
| 500 ## - GENERAL NOTE | |
| General note | Peer review |
| 520 ## - SUMMARY, ETC. | |
| Summary, etc. | Small-scale maize farmers in sub-Saharan Africa use meager amounts of nitrogen (N) in their maize crops. N use efficient varieties can provide a solution to the problem of low N conditions through efficient N uptake and utilization. The objectives of this study were to i) compare the quantitative genetic parameters of grain yield and secondary traits under different nitrogen levels and ii) assess the efficiency of indirect selection for grain yield under low N stress through yield under optimum N and secondary traits under low N stress in maize. Doubled haploid lines derived from five bi-parental populations were evaluated. Genotype effect for grain yield and secondary traits was significant at all sites. Genetic variance for grain yield was reduced by 17% under moderate N stress and 63% under severe N stress conditions, while genetic variance for days to anthesis and plant height increased under both moderate and severe low N stress. The heritability of most secondary traits was consistently higher than that of grain yield. Correlations of grain yield with plant and ear heights were positive under low N conditions. Despite the reduction in genetic variances under low N conditions, there was genetic variability for grain yield and secondary traits. Direct selection for grain yield under low N rather than under optimum conditions was more efficient for yield improvement under the low N condition. The use of an index of secondary traits could increase the efficiency of improving grain yield rather than selection for only grain yield under low N conditions. |
| 546 ## - LANGUAGE NOTE | |
| Language note | Text in English |
| 597 ## - CGIAR Initiative | |
| CGIAR Impact area | Climate adaptation & mitigation |
| CGIAR Initiative | Accelerated Breeding |
| CGIAR Action areas | Resilient Agrifood Systems |
| -- | Genetic Innovation |
| Donor or Funder | |
| -- | |
| CGSpace handle | https://hdl.handle.net/10568/137360 |
| 650 #7 - SUBJECT ADDED ENTRY--TOPICAL TERM | |
| Topical term or geographic name as entry element | Maize |
| Source of heading or term | AGROVOC |
| 9 (RLIN) | 1173 |
| 650 #7 - SUBJECT ADDED ENTRY--TOPICAL TERM | |
| Topical term or geographic name as entry element | Nitrogen |
| Source of heading or term | AGROVOC |
| 9 (RLIN) | 2912 |
| 650 #7 - SUBJECT ADDED ENTRY--TOPICAL TERM | |
| Topical term or geographic name as entry element | Use efficiency |
| Source of heading or term | AGROVOC |
| 9 (RLIN) | 11688 |
| 650 #7 - SUBJECT ADDED ENTRY--TOPICAL TERM | |
| Topical term or geographic name as entry element | Selection |
| Source of heading or term | AGROVOC |
| 9 (RLIN) | 4749 |
| 650 #7 - SUBJECT ADDED ENTRY--TOPICAL TERM | |
| Topical term or geographic name as entry element | Genetic Correlation |
| Source of heading or term | AGROVOC |
| 9 (RLIN) | 9128 |
| 700 1# - ADDED ENTRY--PERSONAL NAME | |
| Personal name | Olsen, M. |
| Field link and sequence number | INT3333 |
| 9 (RLIN) | 923 |
| Miscellaneous information | Global Maize Program |
| 700 1# - ADDED ENTRY--PERSONAL NAME | |
| Personal name | Das, B. |
| Miscellaneous information | Global Maize Program |
| -- | Excellence in Breeding |
| -- | Breeding Modernization and Innovation Platform |
| Field link and sequence number | INT2825 |
| 9 (RLIN) | 863 |
| 700 1# - ADDED ENTRY--PERSONAL NAME | |
| Personal name | Gowda, M. |
| Field link and sequence number | I1705963 |
| 9 (RLIN) | 795 |
| Miscellaneous information | Global Maize Program |
| 700 1# - ADDED ENTRY--PERSONAL NAME | |
| Personal name | Labuschagne, M. |
| 9 (RLIN) | 2259 |
| 773 0# - HOST ITEM ENTRY | |
| Related parts | v. 216, no. 8, art. 134 |
| Place, publisher, and date of publication | Dordrecht (Netherlands) : Springer, 2020. |
| International Standard Serial Number | 0014-2336 |
| Title | Euphytica |
| Record control number | u444298 |
| 942 ## - ADDED ENTRY ELEMENTS (KOHA) | |
| Koha item type | Article |
| Suppress in OPAC | No |
| Source of classification or shelving scheme | Dewey Decimal Classification |
| Date last seen | Total Checkouts | Price effective from | Koha item type | Lost status | Source of classification or shelving scheme | Damaged status | Not for loan | Collection code | Withdrawn status | Home library | Current library | Date acquired |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 08/19/2020 | 08/19/2020 | Article | Not Lost | Dewey Decimal Classification | CIMMYT Staff Publications Collection | CIMMYT Knowledge Center: John Woolston Library | CIMMYT Knowledge Center: John Woolston Library | 08/19/2020 |