Alaska 
Dele 
Ideho 
Maine 
- 1. 
III. VEGETABLE, INSECTS 
A. General 
Root Maggots in Alaska. To (1) investigate root 
maggot incidence, wild host plants, dissemination and 
crop plant damage under various environmental conditions 
in field and laboratory, and to learn an effective means 
of control for turnip, seed=-corn, onion, and other root 
maggot species which are, or may become, serious hazards. 
Hort., Soils AL-l-7-1(A) 45 Coop. ARS 
Controls for Vegetable Insects. Improve control of 
vegetable insects by use of resistant varieties, new 
toxicants, and better methods of insecticide application. 
Ent. 5@E 
Insect Pollination of Vegetable Seed Cropse Learn 
(1) insects associated with pollination of vegetable seed 
crops and their relative abundance; (2) effectiveness, in 
terms of seed yields, of the more important pollinating 
insects and factors responsible for effectiveness; (3) how 
pollinating ae can be increased in vegetable seed fields. 
Ent. 33 
Biology and Control of Insects Affecting Vegetable and 
Fruit Crops. (1) Obtain more complete information on 
biology of insects affecting vegetable and fruit crops. 
(2) Evaluate damage caused by various species. (3) Develop 
control measures allowing for production of vegetable and 
fruit crops free from insect damage and excessive 
insecticide residues. (4) Investigate possibilities of 
using cultural practices, time of planting methods and virus 
diseases of insects as further means of control. 
Ent. 406 
Biology and Control of Vegetable Insect Pests with 
Special Reference to Soil Inhabiting Species. To obtain 
better and more practical control of insects injurious to 
Maine vegetables. 
Ente, Cheme, Hort. 37 
