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Inheritance of dwarfism and other characters in rice

✍ Scribed by P. Ganashan; W. J. Whittington


Publisher
Springer
Year
1975
Tongue
English
Weight
458 KB
Volume
24
Category
Article
ISSN
0014-2336

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✦ Synopsis


Four dwarf mutants derived from the rice variety H-4 were found to differ not only in height but also in other characters, probably as a result of pleiotropic gene action. Time-to-flowering, tiller number, spikelet number, grain size and flag leaf area were affected and diallel analysis of parents and FI hybrids showed additivity and various degrees of dominance with no evidence of gene interaction. Analyses of height differences in the F l and F 2 showed incomplete dominance for tallnes in the H-4 parent and evidence that four separate loci with various degrees of dominance determined dwarfism.


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