S3 Table . Matrix of correlation coefficients between various leaf mineral content, phloem sap amino acids, cumulative psylliddays (CAD) and cumulative psyllid nymph-days (CND) recorded on young and mature flush shoots of grapefruit and lemon trees (Weslaco, TX 2014-2015). CAD CND N P K Ca Mg Na Zn Fe Cu Mn S B C N:C N:S N:Ca Ala Arg Asn Asp Cys Glu Gln Gly His Ile Leu Lys Met Phen Pro Ser Thr Trp Tyr Val FAA EAA Glu + Gln