Two pairs of near-isogenic lines of green-sprouting broccoli (Brassica oleracea L. var. italica), designated USVL115-GL and USVL115-NG, and USVL188-GL and USVL188-NG, were released by the Agricultural Research Service of the U.S. Department of Agriculture in 2008. Each of the released pairs (doubled haploids) includes two uniform and true-breeding broccoli lines that appear identical to one another except that one has normal, nonglossy leaves and the other has glossy leaves. Using the two pairs of broccoli lines that only differ for the glossy leaf trait, plant scientists can better study the effect of the trait on other plant attributes like resistance to lepidopterous caterpillar predation.
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