NEMATODE GALLWORM ON POTATOES, ETC., IN NEVADA. 15) 
be grown on infested fields until the nematode is practically starved 
out. 
It is very Gintcalt to eradicate the nematode completely when it 
is once well established in a field, but its numbers may be so reduced 
by the use of immune crops hk susceptible crops may be grown 
again without serious injury. 
Approved: 
JAMES WILSON, 
Secretary of Agriculture. 
Wasuineton, D. C., February 10, 1912. 
[ Cir. 91] 
© 
