Investigations were conducted to study in detail some biochemical and physiological aspects of ripening in pears. Anjou pears
picked at different degrees of maturity were treated with Ethrel
(2-chloroethane phosphonic acid), 4000 ppm, and ethylene, 500 ppm,
for different lengths of time. Respiration rate was measured twice
daily and changes...
A study was conducted of the influence of various climatic and
soil factors on the development of onion pink root disease and of the
influences of temperature, light, pH, carbon and nitrogen sources,
and vitamins on the growth in vitro of an Oregon isolate of the pink
root fungus, Pyrenochaeta...
Attempts to synthesize diboron tetrafluoride by the reduction of
boron trifluoride with alkali metal solutions in 1, 2-dimethoxyethane
proved to be unsuccessful. No diboron tetrahalide was found when
boron trifluoride, antimony trifluoride, or boron trichloride was
reacted with tetra-(dimethylamino)-diboron; although there appeared
to be some exchange between chloride and amine...
This study was designed to identify and describe home management
tasks, perceived managerial competency, and related social,
psychological, and economic consequences for a sample of retired
couples.
Managerial tasks were defined as essential, periodic activities
which (1) sustain the living patterns of a person or family in a common
household,...