THE LEGUME POD MOTH. 99 
TasLe II.— Mean percentage of damage done by the legume. pod moth to all plats in full 
bloom on a given date in the season of 1910. 







|| 
Mean Mean 
; er cent | Number : yer cent | Number 
Date of full bloom. ae seed | of plats. Date of full bloom. a seed | of plats. 
damaged. damaged. 
TAGE Greece Pesala ict tet oe See (Oe MeN, Ae yg a eke ete ee eee 0.2 7 
ARC 120 pea ea rae eer eee aul Dsl MUU porte sence eels anna se ne oe all 2 
LIPPER We i pape Scent eee -0 S| ULV neers nee, Seta te ei ileal 15 
MMe wa. = ok bee ee mcise cee ces 5! Si UL Oe oer eee Be ees on 3 2.5 8 
Tt Sean 3s oe eee eee 3 2 aioli Ga as Sear Se Ae See 2.3 1 
June 25 .0 a yas ie ee eee oye AE oe a | . 2 
June 26 .4 (Gio [tt fLDU A/a Git Se peers Se a ter a a 1 
June 28 -3 | ne Ct gee ie ee ee ek eee S ile’: 1 
pbholn,3} 092s ees sere 5 SSA Soe 5 = 1.0 6 

7. 
7.0 
5.0 
F.0 
4.0 

Fic. 36.—Diagram showing maximum and minimum damage done by the legume pod moth to varieties 
of peas in full bloom on a given date in 1910. (Original.) 
EXPERIMENTAL WORK CARRIED ON DURING THE SEASON OF 1911. 
Sixty-seven varieties of field peas were planted in 1911 on the 
farm of the State College at Pullman, Wash. The field selected was 
in a draw, or ravine, bordered on three sides by grain fields and on 
