Sawargaonkar, S L (2010) Study of heterosis, combining ability, stability and quality parameters in CGMS- based pigeonpea [Cajanus cajan (L.) millsp.] hybrids. PHD thesis, Marathwada Agricultural University.
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Supervisors
| Supervisors Name | Supervisors ID |
|---|---|
| Madrap, I A | MAU |
| Saxena, K B | ICRISAT |
| et al., . | UNSPECIFIED |
Abstract
The present investigations were carried out to derive information on heterosis, combining ability, stability and some quality parameters in a series of CGMS-based pigeonpea hybrids. Also, it was aimed to study the genetics of fertility restoration and stability of the male-sterile lines of pigeonpea. A line x tester mating design was used to develop F1 hybrids using three CGMS lines ICPA 2043, ICPA 2047 and ICPA 2092 developed at International Crops Research Institute for the Semi-Arid Tropics (ICRISAT), Patancheru (Andhra Pradesh). All three A-lines were derived from Cajanus cajanifolius (A4) cytoplasm. The testers comprised of 13 inbred lines obtained from ICRISAT; 10 lines from Agricultural Research Station, Badnapur, M.A.U., Parbhani, five lines from MPKV Rahuri; and six lines from Pulses Research Unit, PDKV, Akola. All the materials were evaluated at Patancheru, Parbhani, Latur and Badnapur. All the cross combinations were made during kharif 2008 in a line × tester mating design. The hybrids and parents were evaluated in α-lattice design with two replications. Observations were recorded on five competitive plants on days to 50% flowering, days to maturity, plant height (cm), number of primary branches plant-1, number of secondary branches plant-1, total number of pods plant-1, seeds pod-1, pod weight (g), 100........
| Item Type: | Thesis (PHD) |
|---|---|
| Divisions: | UNSPECIFIED |
| CRP: | UNSPECIFIED |
| Subjects: | Mandate crops > Pigeonpea Others > Genetics and Genomics |
| Depositing User: | Mr Sanat Kumar Behera |
| Date Deposited: | 12 Apr 2012 09:28 |
| Last Modified: | 25 Nov 2013 03:54 |
| URI: | http://oar.icrisat.org/id/eprint/5874 |
| Acknowledgement: | First and foremost, on this day I stand obliged and indebted to chairman of my Ph.D. advisory committee honorable Prof. Dr. I.A. Madrap, Head, Department of Agricultural Botany, Genetics and Plant Breeding, Marathwada Agricultural University (M.A.U.), Parbhani. I owe my great devotion, respect and profound gratitude towards him for his unfailing enthusiasm, encouragement and generous help. He always gave me a patient hearing, even when he was extremely busy. His guidance and creative criticism enriched the quality of scientific component. I take the pride in having been associated with such a teacher. I am also thankful to my co-chairman of advisory committee honorable Dr. K.B. Saxena, Principal Scientist, Pigeonpea Breeding, International Crops Research Institute for the Semi-Arid Tropics (ICRISAT), Patancheru for giving me the opportunity to work at ICRISAT and for providing excellent research facilities with conductive environment. His constant encouragements enabled me to learn and grow throughout my research work. It was purely his influence and help that enabled me to venture out disciplined during the course of my investigation. He had been extremely understanding about my problems and short-comings. I must also thank him for his insistence on maintaining high standards in all things. I am privileged to be one of his students........... |
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