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Inheritance of supernodulation in soybean and estimation of the genetically effective cell number

✍ Scribed by B. J. Carroll; P. M. Gresshoff; A. C. Delves

Book ID
104706112
Publisher
Springer
Year
1988
Tongue
English
Weight
723 KB
Volume
76
Category
Article
ISSN
0040-5752

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✦ Synopsis

Provided the nature of inheritance is known, the frequency of homozygous mutant plants in individual M2 families (derived from M1 seed) can be used to estimate the genetically effective cell number (GECN). Segregation ratios in M3 families derived from M2 wild-type plants indicated that the supernodulation characters nts382, nts1007 and nts183 are inherited as Mendelian recessives. The nature of inheritance was also known or confirmed to be recessive by crossing the wild type to these and several other mutants derived from the same population of M2 families. Subsequently, using the frequency of mutant plants in individual M2 families, the GECN for soybean was calculated to be approximately two.

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The genetic interaction between non-nodu
The genetic interaction between non-nodulation and supernodulation in soybean: an example of developmental epistasis
✍ A. Mathews; B. J. Carroll; P. M. Gresshoff πŸ“‚ Article πŸ“… 1990 πŸ› Springer 🌐 English βš– 649 KB

The interaction between three non-nodulation mutants (nod49, nod772 and nod139) and a supernodulation mutant (nts382) of soybean was studied by analysing the progeny from crosses between these mutants. Previously it had been shown that the non-nodulation mutants arose from single mutation events and