4.6 Article

Haploid induction and its application in maize breeding

Journal

MOLECULAR BREEDING
Volume 41, Issue 3, Pages -

Publisher

SPRINGER
DOI: 10.1007/s11032-021-01204-5

Keywords

Maize breeding; Haploid; Inducer lines; DH lines

Funding

  1. National Natural Science Foundation of China [31801368, 31801375]

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The application of maize hybrids has significantly improved yields, and the double haploid breeding technology accelerates the breeding process. Maize DH breeding is playing an increasingly important role in commercial breeding.
Maize is a heterosis-utilizing crop species, and the application of maize hybrids has significantly improved total maize yields worldwide. Breeding pure lines is the most important part of heterosis utilization. The double haploid (DH) breeding technology is the approach rising recently in breeding pure lines; compared to the conventional recurrent-selfing method, it can significantly accelerate the crop breeding process. Similar to molecular breeding and transgenic techniques, maize DH breeding has been playing an increasingly important role in commercial breeding and is becoming the core technique in modern maize breeding. In this review, we summarize recent progress in maize DH breeding and put forth our opinions on the future development of double haploid techniques in modern maize breeding.

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