Fig. 1From: QTL and candidate gene identification of the node of the first fruiting branch (NFFB) by QTL-seq in upland cotton (Gossypium hirsutum L.)The NFFBs of the BC4F2 population, two parents, and two bulks. a The frequency distribution of NFFBs in the BC4F2 population; b Significance testing of the differences in NFFB in the two parents and two bulks. **, differences at p < 0.01; c-d The plant type and NFFBs of RIL182 and G2005Back to article page