Wheat seeds (Yangmai 23, high sensitivity to R. cerealis) were provided by the Institute of Plant Protection and Agro-Product Safety at Anhui Academy of Agricultural Sciences. The R. cerealis strain was provided by the Laboratory of Plant Disease Prevalence and Comprehensive Treatment in the College of Plant Protection at Anhui Agricultural University. Naphthyl sulfonate formaldehyde condensation (NNO) was provided from Shandong Tongyi Chemical Co., Ltd. (Zibo, China). Lignin sulfonate was provided from Handan Cheng and Building Materials Co., Ltd. (Handan, China). Various emulsifiers, including polyethylene glycol 4000 (PEG4000), emulsifier TX-50, fatty alcohol ethoxylates (JFC-1), emulsifier HEL-40, BY-112 emulsifier, emulsifier EL-10, emulsifier O-10 and O-20, hard fatty acid polyether (SG-10 and SG-9), polyoxyethylene lauryl ether (MOA-7 and MOA-15), emulsifier S-20, polyethylene-polypropylene glycol (L-35 and L-65), polypropylene glycol 600 (PPG600), primary alcohol ethoxylate (E-1303, OS-15, and AEO-15), and polyether polyol HSH-206, were provided from Jiangsu Hai'an Petrochemical Factory (Nantong, China). Ethylene glycol was acquired from Shanghai Guangnuo Technology Co., Ltd. (Shanghai, China). Methyl alcohol was provided from Sinopharm Chemical Reagent Co., Ltd. (Shanghai, China). Metconazole was provided from Anhui Jiuyi Agriculture Co., Ltd. (Hefei, China). MWCNTs were provided from Shenzhen Evolution Technology Co., Ltd. (Shenzhen, China).