E i © oe 
DISEASES OF THE CUCUMBER 
Page 3 
TECHNICAL DATA 
MOSAIC (CONT'D) 
between, appear on the fruit which develops a bitter taste. Early season in- 
‘fection causes dwarfing;. late season infection causes dwarfing only on new 
Growth occurring after infection sets in. Mosaic can occur at any growth-stage~x 
CAUSES: A virus, transmitted by APHIDS.and CUCUMBER BEETLES. It over-winters 
-in seed of the Wild Cucumber and infected Matrimony Vine, Perennial, Milkweed, 
and Ground Cherry.° 
CONTROLS: 
(4) Immediately destroy and remove diseased plants. 
(2) Eradicate HCST PLANTS mentioned above in and within 400 yards of Cucumber 
Field. 
(3) Dust for APHIDS and CUCUMBER BEETLES. 
(a) 40% Calcium Arsenate; 30% Black Leaf 10; 414% Copper-—A Compound; 46% 
Take.’ 
This issue of TECHNICAL DATA covering DISEASES OF THE CUCUMBER, is the first ina 
group which will cover principal diseases, their causes, symptoms, and controls of all 
of the CUCURBIT SPECIES that we have under annual production. 
We hope you will write for additional copies for your roadmen. Increase your Dealers 
confidence in YOU and in YOUR STOCKS by having, at your salesmen's fingertips, information 
of this nature by which they can intelligently inform. 
NET RESULT: BIGGER CROPS —- 
CUSTOMER ENTHUSIASM & LOYALTY. 
Series 4 - Bulletin 2.° LAWRENCE ROBINSON & SONS 
June, 1947 
RESEARCH DEPARTMENT 
