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Elsharnobi, D., Arafat, E., Abdallah, R., Negm, M. (2022). STUDY OF COMBINING ABILITY OF SOME IMPORTANT TRAITS IN SOME HYBRID RICE COMBINATIONS. Menoufia Journal of Plant Production, 7(4), 57-74. doi: 10.21608/mjppf.2022.253069
Dalia E. Elsharnobi; E.F.A. Arafat; R.M. Abdallah; M.E. Negm. "STUDY OF COMBINING ABILITY OF SOME IMPORTANT TRAITS IN SOME HYBRID RICE COMBINATIONS". Menoufia Journal of Plant Production, 7, 4, 2022, 57-74. doi: 10.21608/mjppf.2022.253069
Elsharnobi, D., Arafat, E., Abdallah, R., Negm, M. (2022). 'STUDY OF COMBINING ABILITY OF SOME IMPORTANT TRAITS IN SOME HYBRID RICE COMBINATIONS', Menoufia Journal of Plant Production, 7(4), pp. 57-74. doi: 10.21608/mjppf.2022.253069
Elsharnobi, D., Arafat, E., Abdallah, R., Negm, M. STUDY OF COMBINING ABILITY OF SOME IMPORTANT TRAITS IN SOME HYBRID RICE COMBINATIONS. Menoufia Journal of Plant Production, 2022; 7(4): 57-74. doi: 10.21608/mjppf.2022.253069

STUDY OF COMBINING ABILITY OF SOME IMPORTANT TRAITS IN SOME HYBRID RICE COMBINATIONS

Article 2, Volume 7, Issue 4, July 2022, Page 57-74  XML PDF (2.35 MB)
Document Type: original papers
DOI: 10.21608/mjppf.2022.253069
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Authors
Dalia E. Elsharnobi; E.F.A. Arafat; R.M. Abdallah; M.E. Negm
Rice Research department, Field Crops Research Institute, ARC, Egypt.
Abstract
The investigation was carried out at the experimental farm of Sakha Agricultural Research Station, Kafr El-Sheikh, Egypt, during 2018, 2019 and 2020 rice growing seasons. The aim of this study was to estimate the genetic statistics of the important traits in some hybrid rice combinations, 24 hybrids were produced by crossing six CMS lines with four testers and then evaluated in two seasons. Line x tester analysis showed highly significant difference in mean squares for genotypes of most traits. The best genotype was the hybrid PR78/IR58025A for grain yield indicating that it can be used in breeding program to improve grain yield. Furthermore, concerning the (GCA) the good combiners for studied traits were PR78 and IR58025A for grain yield, PR78 and IR69625A for biomass. These genotypes can transfer the superiority to their offspring in hybrid combinations. In addition, the most promising hybrids which have the highly significant SCA effects for grain yield wasPR2/IR69625A and could be used in breeding program
Keywords
Hybrid rice; line x tester; combining ability and grain yield
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