A Database for Triticeae and Avena
Previous nomenclature and symbolization:
laxatum 80, lax 80 (7, 13).Inheritance:
Probably recessive to normal (14).Description:
Weak signs of linkage to chromosome 3 (15).
The mutant ~i ne holds also a partially dominant gene for big grain (from lax-d ?) not linked to lax-m (14).
Spike internodes about 16% longer th.-&i normal.Origin of mutant:
Plants with light-green leaves, curly awns, some sterile florets and flat grain (13).
1958 after soaked Bonus seed treated with ethyleneimine: 0.05% x 2 hours.Mutational events: (3, 4)
lax-m65,-m8080.Mutant used for description and seed stock:
lax-m80 in Bonus.References:
3.Ehrenberg, L., Gustafsson, Å. and Lundqvist, U. 1959. Hereditas 45:351-368.
4.Ehrenberg, L., Gustafsson, Å. and Lundqvist, U. 1961. Hereditas 47:257-278.
7.Gustafsson, Å., Hagberg, A., Lundqvist, U. and Persson, G. 1969 Hereditas 62:409-414.
13. Larsson, H.E.B. 1985. Hereditas 103:239-253.
14. Larsson, H.E.B. 1985. Hereditas 103:255-267.
15. Larsson, H.E.B. 1985. Hereditas 103:269-279.
Prepared:
H.E.B. Larsson and U. Lundqvist 1986.