Yield reductions due to competition of weeds with crop plants
can be extremely important. Early weed competition can be as important
in reducing crop yield as weed competition for the entire
season.
The objectives of this study were (1) to determine the weed
control achieved by narrow row-cropping patterns, (2)...
Improving crop cultivars for use on organic farms is pertinent, as current elite germplasm is less resilient within the more variable context of organic farm environments. Although a growing number of studies have focused on organic plant breeding in cereal crops, very few have focused on vegetable crops, especially those...
Although the concept of breeding crops for organic agricultural systems has been around for decades, few studies have been reported for vegetable crops to quantify and compare how conventional and organic systems differ in their selection pressures on genotypes advancing through the breeding cycle; especially research utilizing modern sequencing capabilities....
Published June 1960. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Inheritance of the volatile components in bush snap beans,
O.S.U. 58-110 X 'Romano' cross and reciprocal, was determined
using gas-liquid chromatographic technique with gas-entrainment
on-column trapping. A sample of 10 to 14 pods averaging 5 grams
from a single plant was found to be adequate for F₁, F₂, and backcross...
During 2 seasons effects of high and low irrigation (water applied
at -0.6 and -2.5 bars soil water potential, respectively) and
density were evaluated on yield parameters and flower/pod development
at mainstem nodes 2 and 6 (terminal) of 'Oregon 1604', a determinate
snap bean. High and low plant densities were...