1920 



ENTOMOLOGICAL SOCIETY, 



SUBSTANCES UPON RADISH MAGGOTS. 

 OF Early Radishes. 



No. of 

 wormy 

 plants. 



Per cent 

 wormy. 



Remarks 



; No. of 

 i-ow. 



38 

 94 



201 



17 



18 



50 

 68 

 70 

 79 

 50 

 30 

 25 



37 



Roots not nearly so good as in corrosive su'blimate rows. 

 Vigorous foliage, long, rough, slender, poor quality roots. 

 Moderate foliage, large, globular, smooth, good quality roots. 



Vigorous foliage, long, slender, rough, poor quality roots. 



Roots not nearly so good as on corrosive sublimate rows. 

 Roots like tobacco rows, much inferior to corrosive sublimate. 

 Not a good test. 



Mostly surface injury; good roots for table purposes. 



Early Radishes. 



Radi.shes. 



No. of 

 wormy 

 plants. 



20 



15 

 27 

 12 



12 

 15 



18 



Pel cent, 

 W3rniv. 



17.2 



8.2 



4.3 



23.8 

 21.9 

 16.2 



6.5 



30.0 

 38.4 



32.7 

 21.4 



Remarks. 



Note: The later application gave the better results. 

 Note: The two applications gave better results than one. 



The later date here again gave better results than row 8. 

 Note: Two applications better than one. 



13 

 17 

 18 

 19 



20 



21 



22 



23 



24 



25 



2(i 



27a 



27b 



28 



No. of 

 row. 



8 

 9 



10 



II 

 12 



13 

 14 



