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1 edition of Effect of Ponderosa pine needle litter on grass seedling survival found in the catalog.

Effect of Ponderosa pine needle litter on grass seedling survival

Burt R. McConnell

Effect of Ponderosa pine needle litter on grass seedling survival

by Burt R. McConnell

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Published by Or. in Portland .
Written in English


Edition Notes

Issued July 1971. Bibliography: p. 6

SeriesU.S. Pacific Northwest Forest and Range Experiment Station. U.S.D.A. Forest Service research note PNW-155
The Physical Object
Pagination6 p. illus.
ID Numbers
Open LibraryOL25590493M

The herbicide, hexazinone, was applied four ways over ponderosa pine, 2–0 seedlings planted in northeast Oregon. The four treatments were two broadcast applications, a single broadcast application, a large spot application, and a small spot application. Seedling survival and growth were monitored for five growing by: 8. Abstract. Patterns of survival and stem-volume growth for planted seedlings of ponderosa pine (Pinus ponderosa Dougl. ex Laws.) competing with various levels of woody and herbaceous vegetation were derived from three previous studies—one in Oregon and two in ve hyperbolic curves of opposite concavity describe the relation between the abundance of woody or herbaceous vegetation Cited by:

survival checks, particularly of evergreens, may be indicative of seedling quality, planting technique and handling, while surveys done in the fall may reflect the influence of weather conditions during the growing season. Field checks of pine and other evergreen plantings should be conducted while. Pinus ponderosa, ponderosa pine. Range. Western North America. British Columbia to Mexico, east to South Dakota and Texas. Climate, elevation. Sea level - meters. Average annual temperature: C. Average July/ August temperature: C. Annual extremes: 40 to 43 C. Average annual precipitation in dryer parts of range: mm, much as snow.

Litter levels affected fire intensity but had relatively minor effects on subsequent growth of surviving seedlings, but season of burn did affect seedling mortality. The grass and herbaceous fuels of the low litter treatment did not burn during either season, indicating the importance of pine needles for by: 6. The ponderosa pine is a hardy tree that is used extensively as timber. Both the dry and green needles from the ponderosa pine tree can cause abortion in cows. Ponderosa pine grows in all of the states west of the Great Plains and in western Canada. Pine needles can be made available to cattle from slash remaining after logging operations.


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Effect of Ponderosa pine needle litter on grass seedling survival by Burt R. McConnell Download PDF EPUB FB2

Effect of ponderosa pine needle litter on grass seedling survival. Portland, Or.: Pacific Northwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, [] (OCoLC) Material Type: Government publication, National government publication: Document Type: Book: All Authors / Contributors.

plots. Needle litter had a significant effect on initial survival of fescue seedlings, but subse- quent losses undoubtedzy resulted from the inter- action of many factors.

Keywords: Pine needles, litter, grass seedlings, ponderosa pine, Pinus ponderosa. This bibliographic record was either created or modified by the Tall Timbers Research Station and Land Conservancy and is provided without charge to promote research and education in Fire Ecology.

The E.V. Komarek Fire Ecology Database is the intellectual property of the Tall Timbers Research Station and Land Conservancy.E.V. Komarek Fire Ecology. grass, and an herbicide on ponderosa pine seedling survival and growth.

Res. Paper PSW-RP Albany, CA: Pacific Southwest Research Station, Forest Service, U.S. Department of Agriculture; 15 p. On a site of above-average quality in northern California, an early shrub-forb-grass plant community was treated by artificially seeding two forageCited by: 1.

Blue wild-rye grass competition increases the effect of ozone on ponderosa pine seedlings Article (PDF Available) in Tree Physiology 21(5) April with 34 Reads How we measure 'reads'.

Effects of different grasses on ponderosa pine seedling establishment / Related Titles. Ponderosa pine and eight grass species were planted together on a burned area. Less than half the pine were dead after 3 years, whether in grass areas or not.

80 percent died. Of pines planted without grass, only 30 percent died. Grass species. The typical needle retention is three to four years, which means that one-quarter to one-third of the needles in a ponderosa pine tree come down every year, mostly between late August and October.

Down needles can be a concern to small forest landowners because they can. Montana and western Wyoming, lack of available moisture may prevent seedling establishment unless supplemental irrigation is provided. Soil moisture stress resulting from grass and shrub competition also limits seedling survival and growth.

Ponderosa pine is shade intolerant, and should be planted in full sun for best performance. Our survival results for ponderosa pine seedlings (% depending on GSL) are greater than Stein and Kimberling's () report of 0% survival the first year after germination ()() in.

Habitat: Ponderosa pine trees occur as pure stands or in mixed conifer forests in the mountains. It is an important component of the Interior Ponderosa Pine, Pacific Ponderosa Pine-Douglas fir, and Pacific Ponderosa Pine forest cover types.

In the northwest, it is typically associated with Rocky Mountain Douglas fir, lodgepole pine, grand fir, andFile Size: 96KB.

Not just pine needles but even deciduous leaves will damage lawns if allowed to accumulate. Getting leaves off the lawn helps keep turf healthy. A blanket of leaves blocks sun and slows the growth of grass; without sunlight, blades of grass can't photosynthesize as much plant energy.

Competition between ponderosa pine seedlings and various grasses and forbs was studied on a site in northern Arizona burned in by a wildfire. Two-year-old pine seedlings were planted in x m plots in Aprilfollowed by the sowing of grass and forb seeds on the same plots in July after summer rains had by: Ponderosa pines are large trees native to the Rocky Mountain region of North America.

A typical cultivated ponderosa pine grows to around 60 feet tall with a branch spread of about 25 feet. Planting ponderosa pine trees requires a big backyard. The lower half of the straight trunk is bare, while the top half has branches with needles. Needles. Planting of ponderosa pine after wildfire may accelerate reforestation, but little is known about survival of plantings and the amount of post-fire natural regeneration.

We compared ponderosa pine regeneration between paired planted and unplanted plots at eight sites in Arizona and New Mexico that recently (–) burned by: 5 Managing a new ponderosa pine plantation H. Dew and B.

Kelpsas Chapter2 A ttention to the details of site prepara-tion, stock type selection, andFile Size: KB. Pinus ponderosa is a dominant tree in the Kuchler plant association, the ponderosa shrub most western pines, the ponderosa generally is associated with mountainous topography. However, it is found on banks of the Niobrara River in Nebraska.

Scattered stands occur in the Willamette Valley of Oregon and in the Okanagan Valley and Puget Sound areas of : Pinaceae. Competition between ponderosa pine seedlings and various grasses and forbs was studied on:I site in northern Arizona burned in by a wildfire.

Two-year-old pine seedlings were planted in x m plots in Aprilfollowed by the sowing of grass and forb seeds on the same plots in July after summer rains had by: Ponderosa Pine Low temperature inhibits Ponderosa growth, so it is generally not found in the higher forests.

In southern and central Colorado Ponderosa pine grows on a few warm sites up to 10, feet in elevation. There is a grove at feet beside Twin Lakes, Size: KB. Bags will be constructed from mm mesh to allow arthropod detritivores access to the litter.

In order to test the relative effects of substrate quality versus microclimate on litter decomposition rates, we will fill half the litterbags with 2 g of ponderosa pine needle litter, and half with 2 g of senesced grass and forb material.

An update on the progress of the seedlings. CONTACT INFORMATION: You can contact me privately at [email protected] The time until a seedling in the cohort was attacked by a gopher was similar for the 2,4-D and the 2,4-D plus grass treatments, but seedlings on the control unit exhibited a shorter average time until gopher damage (), resulting in pronounced differences among survival curves (Wilcoxon comparison of Kaplan–Meier survival curves; χ 2 =df = 2, p Cited by: 4.2,4-D herbicide treatment was applied to 2 treatment units to remove the forbs that are the preferred food of pocket gophers.

One of these units also was seeded with grasses prior to the 2,4-D treatment. The effect of 2,4-D and grass seeding plus 2,4-D treatments were compared to an untreated control unit.

Long-term monitoring (7 yr) was conducted on the 3 units for vegetative cover (7 yr Cited by: 4. The multipurpose ponderosa pine (Pinus ponderosa), or western yellow pine, is susceptible to a number of diseases that cause severe damage unless treated immediately.

While some diseases damage the roots or needles, others rot the heart or inner section of the tree and cause branches to fall. Treat the disease.