Previous nomenclature and symbolization:
laxatum 274, lax 274 (7, 13).Inheritance:
Recessive to normal (14).Description:
Spike internodes about 16% longer than normal.Origin of mutant:
Plants with long spikes; early spikes are lax with big grain, later spikes are more normal (13).
1962 after resting Foma seed recurrently treated with ethylmethanesulfonate: 0.08-0.5% x 5v24 hours.Mutational events: (3, 4)
lax-lf273, -lf274.Mutant used for description and seed stock:
lax-lf274 in Foma.References:
3. Ehrenberg, L., Gustafsson, Å. and Lundqvist, U. 1959. Hereditas 45:351-368.
4. Ehrenberg, L., Gustafsson, A. 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.
Prepared:
H.E.B. Larsson and U. Lundqvist 1986.