Genetic Encashment of Sugarcane Productivity Under Wooly Aphid, Water and Salt Stressenvironments
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GENETIC ENCASHMENT OF SUGARCANE PRODUCTIVITY UNDER WOOLY APHID, WATER AND SALT STRESSENVIRONMENTS Thesis submitted to the University of Agricultural Sciences, Dharwad in partial fulfillment of the requirements for the Degree of Doctor of Philosophy in GENETICS AND PLANT BREEDING By SANJAY B. PATIL DEPARTMENT OF GENETICS AND PLANT BREEDING COLLEGE OF AGRICULTURE, DHARWAD UNIVERSITY OF AGRICULTURAL SCIENCES , DHARWAD - 580 005 AUGUST, 2005 Advisory Committee : Approved by: Chairman:__________________ (B.M.KHADI) Members: 1._________________ (P.M.SALIMATH) 2. ________________ (B.S.JANAGOUDAR) 3.________________ (H.M. VAMADEVAIAH) 4. _______________ (I.S. KATAGERI) C O N T E N T S Chapter Title No. I INTRODUCTION II REVIEW OF LITERATURE III MATERIAL AND METHODS IV EXPERIMENTAL RESULTS V DISCUSSION VI SUMMARY VII REFERENCES APPENDICES LIST OF TABLES Table Title No. 1. Review of literature on genetic parameters studied for various traits in seedling generaion of sugarcane 2. Review of literature on genetic parameters studied for various traits in clonal generations of sugarcane 3. Review of literature on repeatability studies made across seedling and settling generation for various traits of sugarcane 4. Review of literature on repeatability studies made in settling generations across environments for various traits of sugarcane 5. List of crosses and number of progenies studied 6. The parentage and characteristics of parent varieties 7. Analysis of variance for important cane yield parameters and HR Brix (%) in seedling (sexual) generation of 45inter varietal crosses in sugarcane 8. Mean, range, variability, heritability, genetic advance and genetic advance over per cent mean for important cane yield parameters and HR Brix (%) in seedling (sexual) generation of 45 inter varietal crosses of sugarcane 9. Family wise mean, range and variance for tillers and average cane girth in seedling (sexual) generation of 45 inter varietal crosses of sugarcane 10. Family wise mean, range and variance for average cane height (cm) and average number of internodes in seedling (sexual) generation of 45 inter varietal crosses of sugarcane 11. Family wise mean, range and variance for average internodal length (cm) and number of millable canes (NMC) in seedling (sexual) generation of 45 inter varietal crosses of sugarcane 12. Family wise mean, range and variance for average single cane weight (kg) and cane yield in seedling (sexual) generation of 45 inter varietal crosses of sugarcane 13. Family wise mean, range and variance for average HR Brix (%) in seedling (sexual) generation of 45 inter varietal crosses and percent superior sugarcane progenies based on cane yield and HR Brix 14. Analysis of variance for important cane yield parameters and HR Brix .in settling (colonial) generation of 44 inter varietal sugarcane crosses under moisture stress environment at sankeshwar 15. Mean range variability heritability genetic advance and genetic advance over per cent mean for important cane yield parameters and HR brix (%) in settling (clonal) generation of 44 inter varietal sugarcane crosses under moisture stress environment at Sankeshwar. Table Title No. 16. Family wise mean, range and variance for germination (%) and tillers in clonal generation at for pre selected sugarcane progenies under moisture stress environment at Sankeashwar 17. Family wise mean range and variance foraverage cane girth and average millable cane height in clonal generation of pre selected sugarcane progenies under moisture stress environment at sankeshar 18 Family wise mean, range and variance for average number of inter-nodes and average inter nodal length in clonal generation of pre selected sugarcane progenies under moisture stress environment at sankeshwar 19. Family wise mean, range and variance for number of millable canes and single cane weight in clonal generation of pre selected sugarcane progenies under moisture stress environment at Sankeshwar 20 Family wise mean, range and variance for cane yield and average HR Brix in clonal generation of pre selected sugarcane progenies under moisture stress environment and percent superior progenies at Sankeshwar 21. Analysis of variance for important cane yield parameters and HR Brix (%) in clonal ratoon generation of 44 inter varietal sugarcane crosses under moisture stress environment at Sankeshwar 22. Mean range variability heritability genetic advance and genetic advance over per cent mean important cane yield parameters and HR Brix (%) in clonal ratoon generation of 44 inter varietal sugarcane crosses under moisture stress environment at Sankeshwar 23 Family wise Mean, Range and Variance for tillers and average cane girth in clonal ratoon generation of pre selected sugarcane progenies under moisture stress environment at Sankeshwar 24. Family wise mean, range and variance for average millable cane height and average number of internodes in clonal ratoon generation of pre selected sugarcane progenies under moisture stress environment at Sankeshwar 25. Family wise mean, range and variance for average millable cane height and . average number of internodes in clonal ratoon generation of pre selected sugarcane progenies under moisture stress environment at Sankeshwar 26. Family wise mean, range and variance for average single cane weight and cane yield in clonal ratoon generation of pre selected sugarcane progenies under moisture stress environment at Sankeshwar Table Title No. 27. Family wise mean, range and variance for average HR Brix (%) in clonal ratoon generation of pre selected sugarcane progenies under moisture stress environment and per cent superior progenies based on cane yield and HR brix at Sankeshwar 28. Analysis of variance for important cane yield parameters and HR Brix (%) in settling generations of 44 inter varieta sugaraen crosses under salinity water logg complex environment at Ugar 29. Mean, range, variability, heritability, genetic advance and genetic advance over per cent mean for important cane yield parameters and HR Brix (%) in settling generation of 44 inter varietal sugarcane crosses under salinity water logg complex environment at Ugar 30. Family wise mean, range and variance for germination (%) and tillers in settling generation of pre selected sugarcane progenies under salinity water logg complex environment at Ugar 31. Family wise mean, range and variance for germination (%) and tillers in settling generation of pre selected sugarcane progenies under salinity water logg complex environment at Ugar 32. Family wise mean, range and variance for average millable cane height and average number of internodes in settling generation of pre selected sugarcane progenies under salinity water logg complex environment at Ugar 33. Family wise mean, range and variance for average internodal length and number of millable canes in settling generation of pre selected sugarcaneprogenies under salinity water logg complex environment at Ugar 34. Family wise mean, range and variance for average single cane weight and cane yield in settling generation of pre selected sugarcane progenies under salinity water logg complex environment at Ugar 35. Family wise mean, range and variance for average HR Brix (%) in settling generation of pre selected sugarcane progenies under salinity water logg complex environment and percentage of superior progenies based on superiority cane yield and HR brix at Ugar 36. Analysis of variance for important cane yield parameters and HR Brix (%) in settling generation of 45 inter varietal sugarcane crosses under normal irrigated environment at Hosur. 37. Mean, range, variability, heritability, genetic advance and genetic advance over per cent mean for important cane yield parameters and HR Brix (%) in settling generation of 44 inter varietal sugarcane crosses under normal irrigated environment at Hosur Table Title No. 38. Family wise mean, range and variance for germination (%) and tillers in settling generation of pre selected sugarcane progenies under normal irrigated environment at Hosur 39. Family wise mean, range and variance for average cane girth andaverage millable cane height in settling generation of pre selected sugarcane progenies under normal irrigated environment at Hosur 40. Family wise mean, range and variance for average number of internodes and average internodal length in settling generation of pre selected sugarcane progenies under normal irrigated environment at Hosur 41. Family wise mean, range and variance for number of millable and average single cane weight in settling generation of pre selected sugarcane progenies under normal irrigated environment at Hosur 42. Family wise mean, range and variance for average HR Brix (%) in settlinggeneration of pre selected sugarcane progenies under normal irrigatedenvironment and per cent superior progenies obtained based on yield and HR brix at Hosur 43. Inter - stage correlation (repeatability) values for germination (%) in progenies across 44 inter verietal sugarcane crosses 44. Reaction of sugarcane hybrid progenies against SWA under natural infestation (Free choice condition) in clonal generations across three hot spot locations Reaction of sugarcane hybrid progenies against SWA under artificial infestation 45. (no choice) condition 46. Colonization behaviour of apterous nymphs observed after artificial release, in SWA resistant progenies, their parents and commercial varieties under caged condition with infester row 47. Average number of winged adults observed after artificial release, in SWA resistant progenies, their parents