SULPHUR blOXTDE AS AN INSECTICIDE. 



151 



United States Department of Agriculture, 



Bureau of Plant Industry, 

 Botanical Investigations and Experiments, Seed Laboratory, 



Washington, D. C, Octobers, 1905. 



Final report of germination test of seed received September 22, 1905. 



Test 

 number. 



34573 

 34574 

 34575 

 34576 

 34-577 

 34578 

 34579 

 34580 

 34581 

 34582 

 34.583 

 34584 

 34585 

 34586 

 34587 

 34588 



Sender'i 

 mark. 



Name of seed. 



12001 i Wheat, nonfumigated .. 



1 ' Wheat, 1 hour at 7i per cent 



2 Wheat, 2 hours at 10 per cent 



3 Wheat, 3 hours at 5 per cent 



11760 j Rye, nonfumigated 



1 Rye, 1 hour at 7^ per cent 



2 Rye, 2 liours at 10 per cent 



3 I Rye, 3 hours at 5 per cent 



11215 ' Timothy, nonfumigated 



1 Timothy, 1 hour at 7^ per cent 



2 Timothy, 2 hours at 10 per cent. . . 

 2a j Cotton, 2 hours at 10 per cent 



Garden pea, nonfumigated 



1 I Garden pea, 1 hour at 7i per cent. 



2 I Garden pea, 2 liours at 10 per cent 



3 Garden pea, 3 hours at 5 per cent. 



The actual value is the percentage of pure seed that will germinate. This is obtained by multiply- 

 ing the percentage of pure seed by the percentage of total germination. 

 Remarks. — E.xposed to SOn gas as above. 



E. Brown, 



Botanist in Charge of Seed Laboratory. 



United States Department of Agriculture, 



Bureau of Plant Industry, 

 Botanical Investigations and Experiments, Seed Laboratory, 



Washington, D. C, Octobers, 1905. 



Final report of germination test of seed received September 22, 1905. 



Name of seed. 



Dura- 

 tion of 

 test in 

 da vs. 



Germina- 

 tion, per 

 cent. 



Rice, nonfumigated 



Rice, 1 hour, at 74 per cent . . . 

 Rice, 2 hours, at 10 i>er cent . . 

 Rice, 3 hours, at 5 per cent . . . 



Oats, nonfumigated 



Oats, 1 hour, at 7^ per cent . . . 

 Oats, 2 hours, at 10 per cent . . 

 Oats, 3 hours, at 5 per cent . . . 



Barley, nonfumigated 



Barley, 1 hour, at ~\ per cent. 

 Barley, 2 hours, at 10 per cent 

 Barley, 3 hours, at 5 per cent . 



Flax, nonfumigated 



Flax, 1 hour, at 7^ per cent . . . 

 Flax, 2 hours, at 10 per cent . . 

 Flax, 3 hours, at 5 per cent . . . 



96 













 62 













 99.5 

 76.6 

 70 



6 

 82 



2?. 5 

 25 



2 



The actual value is the percentage of pure seed that will germinate. This is obtained by multi- 

 plying the percentage of pure seed by the percentage of total germination. 

 Remarks. — Exposed to SOo gas as above. 



E. Brown, 



Botanist in Charge of Seed Laboratory. 



