FURTHER STUDIES OF THE ROTS OF STRAWBERRY FRUITS. 
9 
fruit by many growers was unfortunately less rigid, however, and 
during a few days some shipments contained large numbers of such 
culls. 
In a field of th& Russell variety in the same locality the moisture 
relation was still more evident. The soil was heavy and rather im- 
pervious, and in about 20 rows which had been coarsely cultivated 
just before the rain the ground was left rough and uneven. Following 
the rain, the water stood in pools under and around the plants in 
these rows after the smoothly packed uncultivated part of the field 
was drained and fairly dry. On the morning of April 18 a large 
proportion of the mature and green berries in the rough ground were 
infected with Botrytis, while only a small percentage of those in the 
rows on either side were diseased. 
The third and very interesting, though less marked, epidemic 
occurred at Monett, Mo., during May, 1917. The first examination 
of the fields in this vicinity was made Sunday, May 20, following a 
period of drought which threatened the strawbeny crop. At that 
time no evidence of Botrytis could be found. During the following 
week there was some rainfall nearly every day and comparatively 
little clear weather, as is shown by the accompanying report of weather 
observations at the near-by station of Springfield, Mo., kindly fur- 
nished by Mr. W. B. Hare, observer at that station (Table VIII). 
Throughout the week, May 20 to 26, strawberries in that vicinity 
were constantly under observation, and there was a more or less 
regular increase in the amount of Botrytis on the fruits, until in fruit 
picked Saturday, May 26, as many as 10 per cent of the berries in 
some fields were found to be affected by Botrytis. 
Table A r III. — Meteorological data, Springfield, Mo., May 20 to 27, 1917. 
Date. 
Temperature (° F.). 
Precipita- 
tion 
(inches). 
Character of day. 
Percentage 
ofpossibfe 
sunshine. 
Maximum. 
Minimum. 
May 20 
1 72 
. . 68 
61 
58 
41 
40 
51 
57 
66 
53 
0.45 
.69 
.02 
.02 
.07 
.54 

.74 
Partly cloudy 
28 
May 21 . 
Cloudy 
20 
May 22 
62 
62 
do 

May 23 .. 
Clear 
87 
May 24 
...... 68 
Partly cloudy... 
44 
May 25 
1 66 
80 
67 
1 
Cloudy 
6 
Mav26 
Clear 
67 
Mav 27 
Cloudy 
GROWTH OF BOTRYTIS ON STRAWBERRIES UNDER REFRIGERATION. 
As a cause of rot in transit Botrytis is of minor importance. Its 
development on ripe strawberries is so slow that it seldom does much 
damage in transit. Its presence in boxes is usually due to improper 
sorting. Most berries attacked by Botrytis can be detected and 
should be removed when the berries are packed. The importance 
