Abstract
Brassica carinata, also known as Ethiopian or Abyssinian mustard, is a drought- and heat-tolerant oilseed with great potential as a dedicated industrial feedstock crop for use in biofuel and other bio-based applications. Doubled haploid technology, a system that allows for the rapid development of doubled haploid, completely homozygous plants through microspore embryogenesis, has been applied routinely in both B. carinata breeding and basic research. Here, we present a comprehensive isolated microspore culture protocol detailing the various steps involved in doubled haploid plant production for this species, from growing donor plants over harvesting flower buds and isolating, culturing and inducing microspores to regenerating doubled haploid embryos and plantlets.
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