Studies were conducted to determine the site of DCPA toxicity
on annual ryegrass. This was done by means of a technique which
used pyrex tubing and a vapor barrier to separate exposure of coleoptile
and roots of emerging grass seedlings to various concentrations of DCPA. Coleoptiles that emerged through treated...
Atrazine, atratone and ametryne are asymmetric s-triazine
herbicides used pre- and post-emergence on many crops. Under
conditions unfavorable for microbial activity, these compounds
may persist in the soil for long periods of time.
This study was conducted to determine the influence of the
soil microflora upon atrazine, atratone and ametryne...
Atrazine is an asymmetrical s-triazine herbicide used pre- and
post-emergence for the control of weeds in many crops. Under conditions
considered unfavorable for microbial activity, atrazine may
persist in soils for extended periods of time. However, the significance
of chemical versus microbial degradation is not known.
This study was conducted...
The use of CIPC (isopropyl N-(3-chlorophenyl) carbamate) to
control dodder (Cuscuta spp.) in alfalfa is an established practice. A
rate of six pounds per acre applied to moist soil has given good dodder
control lasting from four to six weeks.
The purpose of this study was to determine the effect...
Oregon is the largest producer of
green beans for processing
in the United States.
Because the repeated use of a single herbicide
may lead to
changes in the weed population, build
up of residues, and other
undesirable factors, a continuous search for
new herbicides is
taking place.
C-6989¹[superscript /] has...