Hawaii 
Washe 
Coloe 
- 200- 
Control of Insects of Truck Crops. 2. Beans. To 
(1) determine biology and habits of insects of beans; 
(2) determine susceptibility of insects involved to most 
promising insecticides; (3) determine phytotoxic effects of 
different insecticides on beans; and (4) develop effective 
methods for controlling different pests involved. 
Ente 954.2 
Chemical Control of Bean Insects: Evaluation of 
Commercial Treatments and Investigations of New 
Insecticides. To (1) evaluate present recommendations for 
chemical control of bean insects under commercial 
conditions; (2) determine effectiveness of new insecticides 
for bean insect control in small plot tests; and (3) obtain 
information on effectiveness of earworm control on lima 
beans particularly regarding dosage and timing of treatments. 
Entey Agre Engines Hort. H-29-L 
Inheritance in Garden Beans with Reference to 
Resistance to Mexican Bean Beetle and Other Insects, 
Nematodes, Diseases, Southern Adaptation and Commercial 
Quality. To study possibilities of combining species, 
kinds and varieties of beans in order to develop Southern 
garden beans. 
Hort. 121 
Insect Transmission of Bean Virus Diseases. To learn 
(1) what insects are responsible for field transmission of 
bean virus diseases; (2) seasonal cycles, field distribution, 
and alternate hosts of those insects transmitting the 
diseases; (3) effect of insect control on field spread of 
virus diseases of beans; and (4) native and cultivated 
plants which serve as reservoirs of bean virus diseases. 
G. Potato Insects 
Control of Insects Transmitting Potato Viruses in 
Colorado. Learn (1) what insecticides give best control 
Of aphids and leafhoppers; (2) most effective and economical 
rates of application; (3) if systemic insecticides will give 
protection to the potatoes late in growing season when there 
is a build 2 of aphid and leafhopper population. 
Ent. 3 
