Response of Sweet Corn (Zea mays) Endosperm Mutants to Chloracetamide and Thiocarbamate Herbicides

Author:

Bennett Mark A.,Gorski Stanley F.

Abstract

Cold stress and field studies were conducted to determine the effects of alachlor, metolachlor, butylate plus dichlormid, and EPTC plus dichlormid on germination and seedling vigor of 30 sweet corn cultivars with three commercially important endosperm mutants (su, se, andsh2). Seedling emergence from cool soils was best when treated with EPTC plus dichlormid and alachlor and was decreased 11% by metolachlor and butylate plus dichlormid. Theseandsh2endosperm mutants were injured the most by the herbicides. Plant size was reduced by the thiocarbamate herbicides but not by the chloracetamides.

Publisher

Cambridge University Press (CUP)

Subject

Plant Science,Agronomy and Crop Science

Reference15 articles.

1. Salaries and research support provided by state and federal funds appropriated to the Ohio Agric. Res. Dev. Cent., The Ohio State Univ. Manuscript No. 49–89.

2. Masiunas T. B. , Call R. E. , and Shoemaker W. H. 1987. The interaction of chloracetamides and planting date on the growth and yield of sweet corn genotypes. Hortic. Ser. 69, Ill. Agric. Exp. Stn., Champaign.

3. Differential Responses of Corn Inbreds And Hybrids to Alachlor 1

4. Effects of Two Maize Endosperm Mutants on Kernel Maturity, Carbohydrates, and Germination 1

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