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Thursday, April 30, 2020 | History

1 edition of Effects of different grasses on ponderosa pine seedling establishment found in the catalog.

Effects of different grasses on ponderosa pine seedling establishment

Frank J. Baron

Effects of different grasses on ponderosa pine seedling establishment

  • 155 Want to read
  • 19 Currently reading

Published by California Forest and Range Experiment Station in Berkeley, Calif .
Written in English

    Subjects:
  • Breeding,
  • Ponderosa pine,
  • Forest regeneration

  • About the Edition

    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. When pine was planted in year-old grass, 80 percent died. Of pines planted without grass, only 30 percent died. Grass species differed in their effect on tree survival.

    Edition Notes

    Caption title.

    Statementby Frank J. Baron
    SeriesResearch note / Pacific Southwest Forest and Range Experiment Station -- no. 199, Research note / California Forest and Range Experiment Station -- no. 199, Research note (California Forest and Range Experiment Station) -- no. 199.
    ContributionsPacific Southwest Forest and Range Experiment Station (Berkeley, Calif.), California Forest and Range Experiment Station
    The Physical Object
    Pagination8 p. ;
    ID Numbers
    Open LibraryOL25584749M
    OCLC/WorldCa613227189

      Smoke-cued seed germination and emergence is common in some frequent-fire ecosystems, but this process is little studied in frequent-fire conifer forests of the southwestern United States. To assess whether aqueous smoke promotes plant emergence in frequent-fire ponderosa pine (Pinus ponderosa) forests in northern Arizona, I conducted three experiments at different Cited by: Effects Of Prescribed Fire In Mixed Conifer Forest, Crater Lake National Park, Oregon by Ronald J. and Joy D. Mastrogiuseppe Note: Ron Mastrogiuseppe is the founder of Crater Lake Institute Complete PDF file prescribed-fire-mixed-conifer.


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Effects of different grasses on ponderosa pine seedling establishment by Frank J. Baron Download PDF EPUB FB2

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.

When pine was planted in year-old grass, 80 percent died. Of pines planted without grass, only 30 percent died. Grass species differed in their effect on tree survivalPages: Effects of different grasses on ponderosa pine seedling establishment / Related Titles. Series: Research note 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. When pine was planted in year-old grass, 80 percent died. EFFECTS OF DIFFERENT GRASSES ON PONDEROSA PINE SEEDLING ESTABLISHMENT By Frank J.

Baron ABSTRACT: Ponderosa pine and eight grass species were planted together on a burned area. Less than half the pines vere dead after 3 years, whether in grass areas or not.

When pine was planted in year-old grass, 80 percent died. Of pines planted. summer, each seedling was watered by hand twice in June to reduce mor-tality. No other supplemental watering occurred. Six potential competitors of ponderosa pine seedlings were chosen for this study, including four grasses and two forbs.

The grasses included: (1) Bouteloua grucilis (H.B.K.) Lag ex Steud. (blue grama), (2) Ductylis glo-Cited by: Nitrate and ammonium concentrations in various grass treatment plots were significantly (P) different at both the beginning and end of the growing season.

Pine seedling xylem water potential differed among treatments, with potentials being lowest on plots sown with Agropyron desertorum. The differences in seedling xylem water potential and available soil nitrogen were reflected in differences in pine seedling by: Remove original litter, plant grass seed, remove new needle fall each spring.

Remove original litter, plant grass seed, allow new litter to accumulate. Remove original litter, plant grass seed, replace original litter, and allow new needle litter to accumulate.

Broadcast grass seed on undisturbed litter and allow new litter to accumulate. Effects of different grasses on ponderosa pine seedling establishment / By Frank J.

Baron, California Forest and Range Experiment Station. and Calif.) Pacific Southwest Forest and Range Experiment Station ( by:   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: establishment of ponderosa pine control brush with minimum soil seedlings.

Soil moisture was damage and nutrient loss and significantly higher on excellent preplanting site herbicide-treated plots than on preparation. scalped and untreated plots. HEIDMANN, T. Pre-emergent herbicides for preparing ponderosa pine planting sites in the Northwest.

U.S. For. methods to improve conifer seedling survival and growth. It focuses on competition from grasses, shrubs, forbs, and small hardwood trees where seedlings are planted for reasons such as reforestation following harvest, interplanting, and field afforestation.

Effects of pine-produced chemicals on selected understory species in aPinus ponderosa community Article (PDF Available) in Journal of Chemical Ecology 8(1). 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.

In a study on the effect of year-long grazing on longleaf pine (Pinus palustris Mill.) in Alabama, Boyer () found that even light grazing caused a seedling mortality rate of 23 percent after the first year.

McClean and Clark () found damage to heavily stocked stands of lodgepole pine (Pinus contorta by: 1. Soil surface conditions can have profound effects on plant seedling emergence and subsequent seedling survival. To test the hypothesis that different soil-surface treatments with logging residue affect range grass seedling emergence and survival, 6 alternative forest-residual treatments were established in the summer of following thinning of mature trees from Cited by: 9.

Successful ponderosa pine seedling germination and establish- ment generally requires a large supply of seed, a mineral seedbed, sufficient moisture, reduced unders- tory cover, and light (Larson and Schubert, ;Schubert, ;White and Pickett, ;Kolb and Robberecht, ;Stein and Kimberling, ).

Three ponderosa pine (Pinus ponderosa Lawson & C. Lawson var. ponderosa C. Lawson) seedling stock types were planted in the field and subjected to three levels of competition.

Winter wheat (Triticum aestivum L. em.) was sown in three densities (0,and plantsm –2) and was successfully used as a model competitor to create drought Cited by: We investigated seedling emergence and establishment for ponderosa and lodgepole pine from 96 primary sources, comprised of 74 laboratory and greenhouse studies (e.g.

‘greenhouse’ in text) and 22 field measurement and experimental studies (e.g. ‘field’ in text) (Fig. 1a).A total of 34 studies (35%) reported emergence or establishment data for ponderosa pine, and 62 Cited by: Effects of different grasses on ponderosa pine seedling establishment / View Metadata By: Baron, Frank J.

- Pacific Southwest Forest and Range Experiment Station (Berkeley, Calif.) - California Forest and Range Experiment Station. ponderosa pine needles for nesting material. Mice, porcupines, and other rodents use the bark for nesting material.

The trees are also important to various birds for cover, roosting and nesting sites. Wood production: Ponderosa pine is one of the most important timber species in the western United States. The annual production of ponderosa pine isFile Size: 96KB.

and Klamath Mountains ecoregions, ponderosa pine woodlands have open canopies, generally covering percent of the sky. Their understories are variable combinations of shrubs, herbaceous plants, and grasses. Ponderosa woodlands are dominated by ponderosa pine, but may also have lodgepole, western juniper, aspen, western larch.

Alternatively, purchase a young ponderosa pine from your garden store. Ponderosa pine care is easier if you plant the tree in a sunny location on loamy, well-drained soil. Don’t neglect water in the period of establishment when you are growing.

Establishment. Ponderosa pine establishes well given proper site conditions and preparation. Control of rhizomatous grasses and forbs 1 to 2 years prior to planting is highly recommended, as is the use of high quality woven weed fabric.

Supplemental water at planting time increases soil:root contact, ponderosa pine, Pinus ponderosa, native. BARON, F.J. Effects of different grasses on ponderosa pine seedling establishment. USDA Forest Service, Pacific Southwest Forest and Range Experiment Station, Berkeley, California.

Research Note p. Ponderosa pine (Pinus ponderoso) and eight species of grass (Poa ampici, Festuca ovina var. duriuscuia. Ponderosa pine (Pinus ponderosa Laws) is able to compete with grasses if planted before or at the same time as grass, but the degree of competition depends upon the species of grass (Baron, ).

However, both root and top growth of ponderosa pine seedlings is significantly greater when grown in. modeling; seedling establishment (seedlings/m 2, data from White and Mast et al. ) for frequent-fire modeling.

Mortality risk for ponderosa pine from fire was calculated using data for “light surface fires” and “hot surface fires” from Lindenmuth (). Multiple runs of FIRESUM were made in two differ-ent ways. The more rapid decline in cover of seeded species on the fire sites was due to rapid establishment of lodgepole pine on the Canyon Creek fire sites.

Erosion. On the fire impacted sites, the average cover factor for the seeded sites was 61% of the controls indicating erosion was decreased by at least 39% (Fig. bunch grass and pine grass (USDA, ARS, NGRP, ). Uses: Grazing/Rangeland: lived perennial bunch grass.

The plant has no rhizomes. The culms or stems can range from about 1 to 3 feet tall, clustered, pale blue-green, and are association with ponderosa pine. Effects of ponderosa pine litter smoke on sprouting in species native to ponderosa The Book summarizes 1, plant species whose seed have been tested for their response to smoke and it’s products, and reviews the known ponderosa pine litter: (effects.

Pub1 ished information on the effect of grass on the growth rate of iodgepole pine seedlings Is meagre, although grass seeding is widely recommended. on burned-over and clearcut lodgepole pine forests. Some work is reported for other species.

On ponderosa pine (Pinus ponderosa) si tes, Baron () observed that pfne. In ponderosa pine forests, total species richness and plant cover increased slightly because of annual and biennial forb and grass establishment in Cited by: with 2-year-old, nursery-grown ponderosa pine seedlings.

The seedlings, grown from seed collected locally, were planted with l-m spaces between trees. Six bitterbrush seedlings per plot were planted along with the pine seedlings. The bitterbrush seedlings were 10 to 15 cm tall when transplanted.

The first objective of this paper was to assess the effects of grazing on seedling establishment of two species whose relative abundance at the adult stage is affected by grazing in a contrasting fashion.

Second, we evaluated the relative importance of seed versus safe‐site availability in explaining the effect of grazing on seedling Cited by:   Pine needles are a good choice for mulching, and really economical if you have pine trees in your yard or pine straw easily available locally.

Because pine needles break down so slowly they are not good additives to turn directly into garden soils. Prescribed fire is a widely applied tool for lowering future wildfire severity in western US ponderosa pine (Pinus ponderosa Lawson & C.

Lawson) forests by reducing tree density, fuels, and excessive conifer seedlings (Agee and LolleySchwilk et al.Stephens et al. ).Ponderosa pine forests are widely distributed in North America (Mirov Cited by: 3. Abstract. Environmental factors (such as light, moisture, nutrients, density, and temperature) and plant physiological factors (such as carbohydrate reserves, hormone levels, frost hardiness, and dormancy) interact to shape growth and survival of coniferous seedlings in nursery fields and after by: Establishment of non-native plant species after wildfires: effects of fuel treatments, abiotic and biotic factors, and post-fire grass seeding treatments Molly E.

HunterA,C, Philip N. OmiA, Erik J. MartinsonA and Geneva W. ChongA,B ADepartment of Forest, Rangeland and Watershed Stewardship, Colorado State University, Fort Collins, COUSA. Effect of overstorey trees on understorey vegetation in California (USA) ponderosa pine plantations Article (PDF Available) in Forestry 89(1):cpv October with Reads Fertilizer supplies trees with essential nutrients often needed when a plant is young.

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.

The foreground at this location shows a plant grouping which includes evergreen trees and grasses and shrubs consistent with an intact ponderosa pine plant community. The rock outcrop in the median is high enough to block views of the southbound lanes. The outcrop is dramatic and higher in elevation than the roadway adding interest to the view.

The. For example, ponderosa pine (Pinus ponderosa P. Lawson & C. Lawson) seedling growth and root nitrogen levels are reduced under dry conditions (Dumroese et al., ). Young ponderosa pine (Pinus ponderosa var.

scopulorum Engelm.) survival in dry environments can be affected by seedling root length and planting depth (Pinto et al., ).Cited by: 2. [from the text] This paper synthesizes information regarding the effects of fire on soils in southwestern ponderosa pine. The intended audience for this paper is managers and others interested in ponderosa pine fire management in the Southwest.

Where specific studies of fire effects on some soil properties in the Southwest are lacking, we have drawn inferences .Dendrochronological techniques were used to assess the effect of fire exclusion on the radial growth of two age classes (approximately and years old) of mature ponderosa pine.

Decline in average radial growth in both classes is coincidental with the establishment of a large ponderosa pine seedling crop in that has since become.Ponderosa and Jeffrey pine sapwood samples and freshly cut stumps from trees with different amounts of oxidant injury were inoculated with Fomes annosus.

With stumps, percentage of surface cross-section area infected and extent of vertical colonization were determined 1 mo and mo after inoculation, respectively.