铵态氮素促进甘薯块根形成的解剖特征及其<i>IbEXP1</i>基因的表达

铵态氮素促进甘薯块根形成的解剖特征及其IbEXP1基因的表达

王翠娟, 柴沙沙, 史春余, 朱红, 谭中鹏, 季杰, 任国博

Anatomy characteristics and IbEXP1 gene expression of tuberization under ammonia nitrogen treatment in sweet potato

WANG Cui-Juan, CHAI Sha-Sha, SHI Chun-Yu, ZHU Hong, TAN Zhong-Peng, JI Jie, REN Guo-Bo

表3 封垄期单株薯块鲜重、单株薯块数目及其组成(2014-2015)

Table 3 Valid storage roots number, valid storage root fresh weight per plant and its compositional features during the canopy closure period in pot trials from 2014 to 2015

品种 Variety	处理 Treatment	薯块鲜重 VSRFWP (g plant^-1)	薯块数 VSRNP (per plant)	YSR (cm)	DSR (cm)	MSR (cm)
品种 Variety	处理 Treatment	薯块鲜重 VSRFWP (g plant^-1)	薯块数 VSRNP (per plant)	0.5 ≤ Φ < 1.0	1.0 ≤ Φ < 5.0	Φ ≥ 5.0
商薯19 S19	N0	79.15 b	6.19 b	2.00 cd	2.67 b	1.50 a
	AN60	85.97 a	7.17 a	3.00 a	4.00 a	0.34 d
	XN60	78.34 b	4.50 c	2.17 c	1.67 c	0.67 b
	AN180	77.44 b	4.84 c	2.67 b	1.67 c	0.50 c
	XN180	65.01 c	3.34 d	1.67 d	1.05 d	0.67 b
济徐23 J23	N0	87.41 b	4.00 b	0.67	1.00 c	2.34 a
	AN60	96.71 a	5.25 a	1.50 a	2.50 a	1.25 c
	XN60	87.79 b	3.17 c	0.84	1.17 bc	1.67 b
	AN180	70.59 c	3.00 cd	0.50	1.33 b	1.17 c
	XN180	70.30 c	2.67 d	0.75	1.34 b	0.67 d