BGS 494: laxatum-kf, lax-kf295

Previous nomenclature and symbolization:

laxatum, 295, lax 295 (7, 13).
Inheritance:
Probably recessive to normal.
Description:
Semi-sterile heterozygotes indicating presence of translocation (14).
Relatively early maturing plants. Spike internodes about normal when the mutant is sown at normal plant density. Somewhat stronger than normal lax response when sown at low plant density (13, 16).
Origin of mutant:
1962 after resting Foma seed recurrently treated with ethylmethane- sulfonate and neutrons: 0.08-0.5% x 5-24 hours + 100-500rad.
Mutational events: (3, 4)
lax-kf268, -kf295.
Mutant used for description and seed stock:
lax-kf295 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.

16. Larsson, H.E.B. 1986. Acta Univ. Ups., Comprehensive Summaries of Uppsala Diss. from the Faculty of Sci. 22, 32pp., Uppsala, Sweden.

Prepared:

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

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