Published April 1986. 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
New varieties and advanced breeding lines of forage and turf grass species were grown under Oregon conditions to evaluate their seed yield potential. Seed harvest dates and clean seed yields for 146 entries are reported for 1982 and 1983, and ranked as a percent of the standard variety for each...
Seed moisture content is the most reliable indicator of seed maturity and harvest timing in grass seed crops. There are two significant times during harvest that knowledge of seed moisture is critical: at swathing and at combining. Swathing within the correct range of seed moisture content will maximize seed yield...
Discusses nutrient management and fertilizer recommendations for lime, nitrogen, phosphorus, potassium, calcium, magnesium, sulfur, chloride, and micronutrients on annual ryegrass grown for seed. Includes discussion of research and explanation of nutrient management recommendations.
Rough bluegrass (Poa trivialis L.), also known as roughstalk bluegrass, is commonly used in the southern United States to overseed golf course greens, fairways, and landscape areas in the winter. Warm-season grasses go dormant and turn brown during the cool season, and rough bluegrass generally is mixed with ryegrass to...
Kentucky bluegrass (Poa pratensis L.) is a widely used turfgrass in many temperate-climate areas of the United States and around the world.
It is popular because it is an adaptable, longlived perennial that forms a medium-textured, dark green turf with good leaf density and
aggressive sod-forming rhizomes.
This publication is prepared as a public service by faculty members at Oregon State University in response to a perceived need for information on field burning. The report has been prepared as a reference and source document for 1989 legislative and agency deliberations on further adjustments in thermal sanitation of...
Published September 1990. 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
This publication incorporates 20 years of field research by OSU faculty comparing two grass-seed residue management methods: full straw load (straw is chopped and left on the field) and clean nonthermal (straw is baled and removed from the field). Comparison includes discussion of seed yield and quality, nutrient management considerations...
Seed yield in perennial ryegrass is the product of yield components
that develop during the life of the plant. Crop yield potential is
defined by the number of fertile tillers, spikelets per spike, and
florets per spikelet. It has been shown that perennial ryegrass
realizes only a small percentage of...