BGS 488: laxatum-ef, lax-ef238

Previous nomenclature and symbolization:

laxatum 238, lax 238 (7, 13).
Inheritance:
Probably dominant over normal (14).
Description:
Spike internodes about 23% longer than normal.
Relatively early maturing plants with broad, dark-green leaves and long spikes. Straw very weak when dry (13).
Origin of mutant:
1959 after soaked Foma seed treated with ethyleneimine: 0.03% x 6 hours.
Mutational events:
lax-ef205, -ef225, -ef236, -ef237, -ef238, -ef263, -ef287, -ef290, -ef292, -ef309.
Mutant used for description and seed stock:
lax-ef238 in Foma.
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.

Prepared:

H.E.B. Larsson and U. Lundqvist 1986.
Revised:

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