- 73 - 



P. R. Control of Coffee Insect Pests , To determine (l) most 

 effective and economic insecticides for control of coffee 

 leaf miner Leucoptera coffeella Ouerin-Menneville and the 

 hormiguiUa Myrmelachis ta aaibigua var raamlorum Wheeler; 

 and, (2) best spraying schedule, rates, and methods for 

 application of insecticides which prove to be of value in 

 control of the leaf miner and hormiguiUa, 

 Ent., Plant Physiol, 72 Coop. ARS 



Economics and Marketing 



Fla, Factors Affecting Costs and Returns in Florida Citrus , 

 To learn effects of grove practices, such as fertilization, 

 irrigation, cultural, and spray on grove costs, returns, 

 yields, and profits; as classified by rootstocks, soils, and 

 varieties, and how efficient practices may be implemented. 

 Agr, Econ, I86 



Hawaii Farm Cost of Production and Efficiency Studies on Certain 

 Specific HorticxLltural Crops Including Coffee and Passion Fruit , 

 To (1) ascertain production costs for selected horticultxoral 

 crops; and, (2) further analyze these costs with objective of 

 increasing production efficiency, 

 Agr. Econ, 361.1 



P, R, Shipping and Export Tests with Avocados . To determine 



(1) which of over 50 varieties and selected clones now con- 

 sidered highly promising are best for export ptirposes; axid, 



(2) most profitable shijjping period and to develop maturity 

 standards and packing and shipping techniques with the view 

 of fostering establishment of an avocado export industry. 



Agron. 58 



NOTS 

 Breeding 



N. Max. Breeding Pecans for New Mexico Conditions and Determin- 

 ing Adapted Veurieties . To (l) develop one or more varieties 

 of pecans of early maturity and high resistance to aphid 

 inj\aiy, tolerant to moderate Zn deficiency, and otherwise 

 adapted to climate and soils of southern New Mexico; and 

 which combine the nut characteristics of the best commercial 

 varieties; and, (2) grow and test certain varieties of out- 

 of-state origin to learn their adaptation and commercial 

 value for New Mexico. 

 Sort. 18 



