Variability of Biological Nitrogen Fixation Traits and Yield Components in Blackgram (Record no. 25473)
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| 000 -LEADER | |
|---|---|
| fixed length control field | 02678nam a2200193Ia 4500 |
| 003 - CONTROL NUMBER IDENTIFIER | |
| control field | OSt |
| 005 - DATE AND TIME OF LATEST TRANSACTION | |
| control field | 20220210161717.0 |
| 008 - FIXED-LENGTH DATA ELEMENTS--GENERAL INFORMATION | |
| fixed length control field | 151215b xxu||||| |||| 00| 0 eng d |
| 082 ## - DEWEY DECIMAL CLASSIFICATION NUMBER | |
| Classification number | 630.28 |
| Item number | SIB/VA |
| 100 ## - MAIN ENTRY--PERSONAL NAME | |
| Personal name | Siby Thomas |
| 245 ## - TITLE STATEMENT | |
| Title | Variability of Biological Nitrogen Fixation Traits and Yield Components in Blackgram |
| 260 ## - PUBLICATION, DISTRIBUTION, ETC. (IMPRINT) | |
| Place of publication, distribution, etc. | Vellanikkara |
| Name of publisher, distributor, etc. | Department of Agricultural Botany, College of Horticulture |
| Date of publication, distribution, etc. | 1994 |
| 502 ## - DISSERTATION NOTE | |
| Degree type | MSc |
| 520 3# - SUMMARY, ETC. | |
| Summary, etc. | A research programme was carried out at the Department of Agricultural Botany, College of Horticulture, Vellanikkara, Trichur during October – March 1993 -94, with the objectives of assessing the genetic variability for biological nitrogen fixation traits and yield components in blackgram as a preliminary step to develop high yielding varieties with good biological nitrogen fixation capacity. Thirty three varieties of blackgram were evaluated, adopting a randomised block design with two replications. Data on thirteen characters were collected and subjected to analysis of variance. The genotypic and phenotypic coefficients of variation, heritability, genetic advance and genotypic and phenotypic correlations were estimated. Analysis of variance revealed significant differences among the varieties for all the characters except number of pods, number of seeds per pod and harvest index. High heritability coupled with high genetic advance was recorded for weight of nodules in the secondary roots and number of secondary roots suggesting the reliability of these characters during selection programmes for the improvement of the nitrogen content of this crop. Grain yield recorded high positive genotypic correlation with most of the yield components, biological yield and harvest index ; and negative genotypic correlation with nitrogen content in the plant at 50 per cent flowering. High positive genotypic correlation of number of pods per plant and number of seeds per pod with grain yield per plant, indicating that selection based on one or more of the above components may result in the improvement of grain yield. Weight of nodules in the secondary roots, which had high variability, heritability, genetic advance and genotypic correlations with nitrogen content in the plant at 50 per cent flowering and harvest index may be considered during selection programmes for identifying blackgram genotypes having high nitrogen fixation capacity. |
| 700 ## - ADDED ENTRY--PERSONAL NAME | |
| Personal name | Sreekumar S G (Guide) |
| 856 ## - ELECTRONIC LOCATION AND ACCESS | |
| Uniform Resource Identifier | https://krishikosh.egranth.ac.in/handle/1/5810154091 |
| 856 ## - ELECTRONIC LOCATION AND ACCESS | |
| Uniform Resource Identifier | https://krishikosh.egranth.ac.in/displaybitstream?handle=1/5810154091&fileid=7600bb03-0af7-4513-bff8-1451f0414317 |
| 942 ## - ADDED ENTRY ELEMENTS (KOHA) | |
| Source of classification or shelving scheme | |
| Koha item type | Theses |
| Withdrawn status | Lost status | Source of classification or shelving scheme | Damaged status | Not for loan | Permanent Location | Current Location | Shelving location | Date acquired | Full call number | Barcode | Date last seen | Price effective from | Koha item type |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| KAU Central Library, Thrissur | KAU Central Library, Thrissur | Theses | 2014-03-18 | 630.28 SIB/VA | 170518 | 2014-03-18 | 2014-03-18 | Theses |