Superior field performance of waxy corn engineered using CRISPR–Cas9
2020
We created waxy corn hybrids by CRISPR–Cas9 editing of a waxy allele in 12 elite inbred maize lines, a process that was more than a year faster than conventional trait introgression using backcrossing and marker-assisted selection. Field trials at 25 locations showed that CRISPR-waxy hybrids were agronomically superior to introgressed hybrids, producing on average 5.5 bushels per acre higher yield. Gene-edited waxy corn lines have higher yields in field trials than hybrids produced by traditional trait introgression.
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