缺钾诱导早衰条件下应用嫁接技术研究根-冠互作对棉花下胚轴解剖结构的影响

张巧玉¹, 张睿¹, 刘朝辉^2,^*, 田晓莉^1,^*

Effect of Root-shoot Interaction on Cotton Hypocotyl Anatomy by Using Grafting Technique under Premature Senescence Induced by Potassium Deficiency

ZHANG Qiao-Yu¹, ZHANG Rui¹, LIU Zhao-Hui^2,^*, TIAN Xiao-Li^1,^*

棉花叶片早衰根系主导型(中棉所41与中棉所49组合) Y型嫁接(接穗+接穗/砧木)接穗下胚轴 A: (C49)+(C49)/C49; B: (C41)+(C41)/C41; C: (C49)+C41/C49;D: C49+(C41)/C49; E: (C49)+C41/C41; F: C49+(C41)/C41。C49: 中棉所49; C41: 中棉所41。括号内接穗为图示接穗。Epi: 表皮; Co: 皮层; P: 髓; Ph: 韧皮部; X: 木质部; vr: 维管射线; Vca: 维管形成层; phf: 韧皮纤维。