土壤施磷与叶面追肥互作对花生根系形态、结瘤特性及氮代谢的影响

路亚,王春晓,于天一,周静,孙学武,冯昊,孙秀山,王鹏,矫岩林,李林,王才斌

Effects of interaction of phosphorus (P) application in soil and leaves on root, nodule characteristics and nitrogen (N) metabolism in peanut

Ya LU,Chun-Xiao WANG,Tian-Yi YU,Jing ZHOU,Xue-Wu SUN,Hao FENG,Xiu-Shan SUN,Peng WANG,Yan-Lin JIAO,Lin LI,Cai-Bin WANG

表1 不同土壤磷及叶面磷处理下花生氮代谢酶

Table 1 Activities of leaf N metabolism enzyme under different P application rates in soil and leaves

土壤磷处理 Treatment of soil P	叶面磷处理 Treatment of foliage P	硝酸还原酶 Nitratase (IU L^-1)			谷氨酸脱氢酶 Glutamate dehydrogenase (IU mL^-1)			谷氨酰胺合成酶 Glutamine synthetase (IU L^-1)
土壤磷处理 Treatment of soil P	叶面磷处理 Treatment of foliage P	结荚期 PS	饱果期 PF	收获期 HS	结荚期 PS	饱果期 PF	收获期 HS	结荚期 PS	饱果期 PF	收获期 HS
PA	CK	163.50 ab	193.96 bc	166.55 ab	155.43 bc	146.63 bc	141.42 cd	51.16 a	50.65 ab	50.37 a
	P 0.1%	171.47 a	217.40 a	179.22 a	174.23 ab	163.94 ab	155.39 ab	52.68 a	54.95 a	59.06 a
	P 0.2%	173.65 a	221.93 a	170.01 a	178.84 a	165.05 ab	149.68 bc	52.31 a	55.41 a	50.23 a
PD	CK	144.13 b	184.36 c	150.38 b	142.03 c	143.48 c	131.52 d	47.78 a	45.28 b	48.29 a
	P 0.1%	162.56 ab	190.68 bc	164.44 ab	167.09 ab	155.00 abc	149.75 bc	48.29 a	46.30 b	50.65 a
	P 0.2%	165.38 a	203.14 b	172.25 a	174.24 ab	166.51 a	165.35 a	53.19 a	49.77 ab	58.21 a