Abstract:Anthers from 32 genotypes from one line of annual ryegrass (Lolium multiflorum) and 229 genotypes from 15 cultivars of perennial ryegrass (L. perenne) were tested for the production of haploids and double haploids. Six (23%) annual and 71 (31%) perennial ryegrass genotypes produced calli ranging from 1.3-16% and 0.8- 12.2% respectively. However none of the annual ryegrass genotypes produced green plants and only one genotype (Option WH-1) of perennial ryegrass produced 16 (1.8%) green plants. The remaining pro… Show more
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