4 BULLETIN. 734, U. S. DEPARTMENT OF AGRICULTURE. 
TABLE I. —Results of the analyses of. commercial wheat samples for the presence 
of nematode galls. 
_ Per cent pee : Per. cent 
.| Number of sam- Number | of sam- 
State where grown. of ples State where grown. of ples 
samples.| showing ; ~ | samples. | showing 
gall. gall. 
ERT IKANSAS See oe ee eee eee 1 OF Nebraskameessee seo eee 23 0 
Californian tees ts eee 266 Trace. }||>New Jersey feaa22 225 eo 5 ee 1 0 
Dela WAneese elses ee eas 8 ORANG we Yorks chs ase eh se 44 0 
Georgia 3 Agee: 3 Onl OlO ge ee es Ue ae 204 0 
IMEMCUCK Y= 32 ee ee pee eo 1 Os | JO klahomamaecie ste sree oe en eee 0 
DUN OISSee sees es seek ee ee 172 ON MOne Gone Bae Se oe es ee 4 0 
lintGdiana sess es sacs sae ee 91 Os| Benn siybvamia tes eee 127 0 
TOW Oks Sees Rie eee oe On| SNorihsDakotas == eealece 193 0 
Maryland. 22 oe 201 -O0F||pSOUtnEDSKkOtas=es = eee 83 0 
Mi Chii ar se sae enone ers 85 Oc GVAR ein as sean cer untae 108 11 
Minnesota=.= - - Bare he Se 163 OFM WeSG VATE INT ae es ene ene 52 0 
MUSSISSID Dita *aesseees ee Oeil AWASCOMSIME sents eee 1 0 
MiSSOUDIS=toten= ee escee rr a 223 0) || > Notiknowm: = 222s est 1, 000 0 
Montana <= == 222. = = 163 = 0 — 
No samples were found outside of the States of California and 
Virginia having wheat infected with these nematode galls, and it 
would seem at the present writing that the disease is confined mostly 
-¥Fig. 2.—A, Nematode galis; B, Sie nine an iene of salle: C, wheat 
for comparison with A. Lower, galls and wheat enlarged 3x. 
to the State of Virginia. Eleven per cent of the samples of the 
‘Food Administration from Virginia showed the galls to be present 
to a greater or less degree. One of the California samples had ae 
present in the dockage determination separation. 
DESCRIPTION OF THE GALLS AND DISEASED PLANTS. 
The ‘galls which have been photographed and are shown in figure 2 
in comparison «with sound wheat are irregular in shape, shriveled, 
