| Treatments | 
        0    day | 
        5th    day | 
        10th   day | 
        15th    day | 
        20th   day | 
       
      
        | RTS    10% | 
        12.1  ±  0.14  | 
        12.6 ±  0.05  | 
        13.1 ±  0.14  | 
        13.6 ±  0.02  | 
        13.8 ±  0.18  | 
       
      
        | RTS    15% | 
        12.4 ±  0.28  | 
        12.6 ±  0.17  | 
        12.9 ±  0.11  | 
        13.3 ±  0.06  | 
        13.7 ±  0.11  | 
       
      
        | RTS    20% | 
        13 ±  0.19  | 
        13.4 ±  0.11  | 
        13.7 ±  0.09  | 
        14.1 ±  0.11  | 
        14.3 ±  0.14  | 
       
      
        | RTS    25% | 
        13.7 ±  0.14  | 
        14.2 ±  0.07  | 
        14.4 ±  0.13  | 
        14.7 ±  0.08  | 
        15.1 ±  0.04  | 
       
      
        | F-    test | 
        S | 
        S | 
        S | 
        S | 
        S | 
       
      
        | C.D.(P=0.05) | 
        0.094 | 
        0.093 | 
        0.324 | 
        0.129 | 
        0.098 | 
       
     
    Mean ± S.D. (n=3) |