Feb. 24 ,1923 Early Vigor , Yield , and jRotf Diseases of Maize 
597 
plants. Observations and records on many hundreds of individual 
plants at frequent* intervals over a period of four years have indicated 
that plants stunted in their early growth as a result of attacks by the 
root and stalk rot pathogenes are nearly always somewhat later in tassel- 
ing and silking (figures 1,2, and 3). These plants, therefore, on account of 
delayed pollination and fertilization combined with their weakened condi- 
£rx#£/?//y£-/vr 02# £Xps#/m£a/t sp 3 
Flo. 4.— Graph showing cubic centimeters of water lost in the curing of ioo gm. of 'freshly harvested 
Table^XIV 0 )^ ° n v * gorous * semivigorous, and weak (plants, fgrown from (uninoculated seed. (See 
tion, can not mature their grain as early nor as completely as the more 
nearly normal plants. As a result, the com from the weak plants and 
from diseased| plants usually contains more moisture when harvested 
and consequently shrinks more when reduced to an air-dry condition. 
Some data on this are shown in Table XIV. 
