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. 2015 Feb 23;10(2):e0117496. doi: 10.1371/journal.pone.0117496

Table 2. Antiviral activity of the acetone extract against Southern rice black streaked dwarf virus (SRBSDV) under field conditions.

Testing units and test site Specific location Contact Person Host variety Plot area for seeding Compound Dosage g ha-1 Average disease index Average control effect Significant difference analysis 5%
Zhangzhou Academy of Agricultural Sciences, Zhangzhou, Fujian Zhangzhou City Longwen Area Chaoyang Town Shunzhang Wu Teyou Duoxi 1 20 m2 Acetone extract 300 2.11 43.67 c
450 1.59 57.33 b
600 1.18 67.85 a
8% Ningnanmycin 750 1.31 63.90 ab
Control 3.71 - -
Institute of Plant Protection, Fujian Academy of Agricultural Sciences Longyan, Fujian Longyan City Shanghang County Huyang Town Huyang Village Furu Chen Teyou 175 30 m2 Acetone extract 300 5.5 55.09 b
450 4.0 67.34 ab
600 3.25 73.46 a
8% Ningnanmycin 750 3.75 69.38 a
Control 12.25 - -
Institute of Plant Protection, Jiangsu Academy of Agricultural Sciences, Guanyun Jiangsu Lianyungang City Guanyun County Zhonghou Chen Xudao 3 25 m2 Acetone extract 300 0.8 48.61 c
450 0.72 55.64 b
600 0.68 62.16 a
8% Ningnanmycin 750 0.7 56.16 b
Control 1.85 - -
College of Agronomy, Jiangxi Agricultural University, Jiangxi Ji’an City Wan’an County Luotang Town Fengjia Village Jianmei Xiong Liangyou 6326 60 m2 Acetone extract 300 2.86 67.68 b
450 2.57 70.97 ab
600 2.36 73.43 a
8% Ningnanmycin 750 2.72 69.49 ab
Control 8.91 - -
Pesticides Administration of Jiangxi, Jiangxi Ji’an City Wan’an County Furong Town Guangming Village Minghui Xiao Rongyou 308 30 m2 Acetone extract 300 6.0 65.6 c
450 4.6 75.2 b
600 3.5 80.8 a
8% Ningnanmycin 750 4.5 74.4 b
Control 21.3 - -
Hunan plant Protection Institute, Hunan Changsha City Changsha County Langli Town Yong Liu Jinyou 207 30 m2 Acetone extract 300 3.5 69.09 cB
450 2.75 78.82 ab
600 2.25 83.99 aA
8% Ningnanmycin 750 3.25 74.85 bc
Control 11.5 - -
College of Biosafety Science and Technology, Hunan Agricultural University, Hunan Zhuzhou City Yanling County Luyuan Town Xitang Village Tuyong Yi Tianyou 998 30 m2 Acetone extract 300 3.8 57.0 b
450 3.0 65.9 a
600 2.8 68.5 a
8% Ningnanmycin 750 3.1 64.3 a
Control 8.8 - -