Identification of Protein Interactions Between BjSVP from Brassica juncea and BoFLC from Brassica oleracea Evaluation of Acting Domain and Strength Mediating the Protein Self-interactions of SVP and FLC in Brassica juncea Evaluation of Acting Domain and Strength Mediating the Protein Self-interactions of SVP and FLC in Brassica juncea Identification of Protein Interactions Between BjSVP from Brassica juncea and BoFLC from Brassica oleracea