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Ranjeet,
- Assessment of Germplasm Resources in Indian Mustard
Abstract Views :185 |
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Authors
Affiliations
1 Regional Research Station, Saini, Kaushambi (U.P.), IN
1 Regional Research Station, Saini, Kaushambi (U.P.), IN
Source
Asian Journal of Bio Science, Vol 5, No 1 (2010), Pagination: 140-141Abstract
The experimental material comprising of one hundred (including three checks Varuna, Rohini and Maya) germplasm accessions of Indian mustard (Brassica juncea L.) were sown in augumented block design during Rabi 2008-09 at Regional Research Station, Saini, Kaushambi of C.S.A. University of Agriculture and Technology. In the present study, an attempt has been made to identify the genetically diverse germplasm and further utilization in the crop improvement to develop broad based cultivars. Result shows that variation in plant growth was prominently seen among the accessions as indicated by range of variability, mean performance and coefficient of variation.Keywords
Indian Mustard, Accessions, Augumented Block Design.- Heterosis and Inbreeding Depression for Yield and its Components in Indian Mustard
Abstract Views :211 |
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Authors
Affiliations
1 Dept. of Plant Breeding & Genetics, Oilseeds Section, C.S.A. University of Ag. and Tech., Kanpur (U.P.), IN
1 Dept. of Plant Breeding & Genetics, Oilseeds Section, C.S.A. University of Ag. and Tech., Kanpur (U.P.), IN
Source
Asian Journal of Bio Science, Vol 2, No 2 (2007), Pagination: 69-72Abstract
Heterosis and inbreeding depression were studied in 45 hybrids developed through 10×10 diallel set of Indian mustard [Brassica juncea (L.) Czern & Coss.]. Heterobilities varied from-21.4 to 19.6 per cent and standard heterosis from - 23.6 to 29.6 per cent for seed yield. Significant desirable heterosis over best parent (Rohini) was observed for all the characters studied. Maximum significant standard heterosis was observed for main shoot length (56.6%) followed by secondary branches (35.8%), seed yield (29.6%), siliquae on main shoot (28.6%), seeds per siliqua (23.4%) and primary branches (22.4%) while heterobeltosis for main shoot length (68.7%), secondary branches (49.8%), siliquae on main shoot (41.6%), seeds per siliqua (39.1%), primary branches (33.4%) and seed yield (19.6%). The inbreeding depression for seed yield ranged from-35.2 to 12.8 per cent. The highest significant positive heterobeltosis and standard heterosis and high inbreeding depression was recorded in hybrids Rohini X Varuna followed by RK 9870×Vardan and Rohini×Vardan for seed yield. These crosses may be utilized for developing hybrids.Keywords
Heterosis, Inbreeding Depression, GCA Effects, SCA Effects, Mustard.- Genetics of Yield and other Quantitative Traits in Indian Mustard
Abstract Views :190 |
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Authors
Affiliations
1 Department of Genetics and Plant Breeding, C.S. Azad University of Ag. & Tech., Kanpur (U.P.), IN
1 Department of Genetics and Plant Breeding, C.S. Azad University of Ag. & Tech., Kanpur (U.P.), IN
Source
Asian Journal of Bio Science, Vol 2, No 1 (2007), Pagination: 47-52Abstract
Experiment comprising 100 treatments (10 parents + 45 F1s + 45 F2s) generated from 10 parent diallel mating design was conducted in Indian mustard. Graphical representation reflected the over dominance with non- additive gene action for the characters number of siliquae on main raceme in both the generations, number of secondary branches per plant in F1, number of primary branches per plant and oil content in F2 generation whereas, rest of the characters reflected the partial dominance.Keywords
Diallel, Graphical Analysis, Over Dominance, Partial Dominance.- Gene Effects of Yield and its Components in Indian Mustard (Brassica juncea Czern & Coss.)
Abstract Views :200 |
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Authors
Affiliations
1 Department of Plant Breeding & Genetics, Oilseeds section, C.S.A. Univ. of Ag. & Tech., Kanpur (U.P.), IN
1 Department of Plant Breeding & Genetics, Oilseeds section, C.S.A. Univ. of Ag. & Tech., Kanpur (U.P.), IN