Genetics of grain-mould resistance and yield components in sorghum (Sorghum bicolor) varieties

Audilakshmi, S (1997) Genetics of grain-mould resistance and yield components in sorghum (Sorghum bicolor) varieties. PHD thesis, Osmania University.

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Supervisors NameSupervisors ID
Papl Reddy, TOU
Stenhouse, J WICRISAT


Sorghum ( Sorghum bicolor (L.) Moench) is a staple food crop in the semi-arid tropical areas of Africa and India. It is also an important feed and forage crop in other parts of the world. In India, the development of short-duration and shortstatured sorghum hybrids resulted in a quantum jcrmp in productivity from 560 kg ha" in 1970 to 1020 kg ha" in 1996. However, yield potentials of sorghum hybrids are not fully realized as they are highly susceptible to grain moulds, which not only cause yield loss but also reduce grain quality and market value. For any effective kharif hybrid breeding programme, grain mould resistant male-sterile and restorer lines are essential prerequisites. Efficient exploitation of resistant genotypes in breeding grain mould resistant parental lines requires knowledge of the number and diversity of genes involved and of their mode of action in determining resistance...

Item Type: Thesis (PHD)
Subjects: Mandate crops > Sorghum
Depositing User: Users 6 not found.
Date Deposited: 30 Aug 2011 09:16
Last Modified: 30 Aug 2011 09:16
Acknowledgement: I express my deep sense of gratitude to my supervisor, Prof T Pap1 Reddy, Department of Genetics, Osmania University, Hyderabad, for his inspiring guidance, keen interest, constant encouragement and valuable discussions throughout the course of this investigation. I express my heartfelt thanks to Dr B Diwakar, Acting Programme Leader, Training and Fellowships Programme, International Crops Research Institute for the Semi-Arid Tropics (ICRISAT), Patancheru and to Dr J W Stenhouse, Programme Team Leader-Sorghum, ICRISAT, for permitting me to work at ICRISAT and for extending the needed facilities. I am also deeply grateful to Dr J W Stenhouse, for his timely suggestions, constructive criticism, encouragement and fruitful discussions during this study. I am highly grateful to Prof K Vaidyanath, Chairman, Board of Studies in Genetics, and Prof M Vishwanath Reddy, Head of the Department of Genetics, Osmania University, for their kind help, cooperation and encouragement. I extend my grateful thanks to Dr B S Rana, Director, National Research Centre for Sorghum, Hyderabad, for granting study leave, and for his coopration and encouragement. I am thankful to the Staff of Sorghum Breeding , Statistics unit and Crop Quality unit of ICRISAT for the cooperation rendered throughout this study. My sincere thanks are due to Dr Belum V S Reddy, Senior Scientist, Bmechg for providing the genetic stocks needed for the study and the help rendered to me . I also thank Dr S Chandra, Senior Statistician, for his vakratiQe suggestions during the statistical analysis of the data. My very special thanks are due to Mr M V Satyanarayana, Ms K Rukimini Devi, Mr P V Rao and Mr B Ramaiah, Research associates, for their timely assistance and to Mr S Sudhakara Chari, Mr S A Rasheed, Mr K Balwanth Reddy and Mr Y Narsimha Rao, for their able technical support during the field work. I gratefully acknowledge Dr M V R Prasad, Ex-Project Director and the staff of the Directorate of Oilseeds Research(DOR), Hyderabad, for permitting me to do my research at DOR during 1994 and for all the support . My thankful appreciation goes to Mr K Prabhakar, Secretary, and Mr S B Stanley, Senior Secretary, of ICRISAT for their untiring efforts in the preparation of this thesis. I warmly acknowledge the moral support given by my friends Ms Kamala Venkateswaran, Dr C Aruna Reddy and Ms K Kanaka Durga during this investigation. Finally, I express my profound sense of gratitude to my husband, son and daughter but for whose support I could not have completed this research work.
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