氮肥与生物炭互作对设施番茄生长及根结线虫病害的影响

周琦, 吴芳, 王振龙, 徐志鹏, 邓超超, 施志国, 张靖, 宿翠翠, 余亚琳, 周彦芳

Effects of Nitrogen Fertilizer and Biochar Application Rate Interaction on Growth and Root-Knot Nematode Disease of Greenhouse Tomatoes

Zhou Qi, Wu Fang, Wang Zhenlong, Xu Zhipeng, Deng Chaochao, Shi Zhiguo, Zhang Jing, Su Cuicui, Yu Yalin, Zhou Yanfang

表6 番茄生长、产量、品质、光合特性及根结线虫指标相关性分析

Table 6 Correlation analysis of tomato growth, yield and quality, photosynthetic characteristics and root-knot nematode indicators

指标Index	SD	LA	SPAD	Y	L	SS	V_c	P_n	G_s	C_i	T_r	PK	NN
PH	0.502^**	0.367	0.616^**	0.526^**	0.404^*	0.486^*	0.407^*	0.469^*	0.740^**	0.576^**	0.662^**	-0.692^**	-0.448^*
SD		0.416^*	0.365	0.345	0.384^*	0.799^**	0.484^*	0.696^**	0.446^*	0.350	0.567^**	-0.533^**	-0.751^**
LA			0.804^**	0.908^**	0.905^**	0.797^**	0.935^**	0.750^**	0.704^**	0.435^*	0.712^**	-0.572^**	-0.599^**
SPAD				0.907^**	0.745^**	0.599^**	0.798^**	0.560^**	0.717^**	0.507^**	0.727^**	-0.666^**	-0.410^*
Y					0.906^**	0.666^**	0.916^**	0.661^**	0.755^**	0.502^**	0.738^**	-0.738^**	-0.535^**
L						0.707^**	0.927^**	0.786^**	0.704^**	0.591^**	0.660^**	-0.705^**	-0.692^**
SS							0.806^**	0.817^**	0.667^**	0.365	0.707^**	-0.643^**	-0.833^**
V_c								0.797^**	0.680^**	0.387^*	0.736^**	-0.734^**	-0.710^**
P_n									0.669^**	0.591^**	0.711^**	-0.698^**	-0.845^**
G_s										0.645^**	0.700^**	-0.707^**	-0.582^**
C_i											0.524^**	-0.559^**	-0.521^**
T_r												-0.758^**	-0.655^**
RK													0.797^**