Loblolly Pine Pinus Taeda Trees in Summer ILLINOIS RANGE

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Loblolly Pine Pinus Taeda Trees in Summer ILLINOIS RANGE

loblolly pine Pinus taeda Kingdom: Plantae FEATURES Division: Coniferophyta The loblolly pine is also known as the old-field pine. Class: Pinopsida This coniferous tree may grow to a height of 125 Order: Pinales feet and a trunk diameter of two feet. It has a rounded crown. The red-brown bark is divided into Family: Pinaceae plates. The leaves are needlelike, in clusters of three. ILLINOIS STATUS Each light green needle may be nine inches long. Staminate (male) flowers are grouped in yellow common, nonnative spikes up to one-half inch long. Pistillate (female) flowers are in yellow clusters. The fruit is a cone that may grow to six inches long. Each cone scale has a short, sharp prickle. The rounded seed measures about one-fourth inch long with a wing about one inch long. BEHAVIORS The loblolly pine is a native of the southern United States but is planted statewide in Illinois. It grows in dry sites. The wood is used for pulpwood and construction. Old cones often remain on the tree. trees in summer ILLINOIS RANGE © Illinois Department of Natural Resources. 2021. Biodiversity of Illinois. Unless otherwise noted, photos and images © Illinois Department of Natural Resources. © John Hilty © Illinois Department of Natural Resources. 2021. Biodiversity of Illinois. Unless otherwise noted, photos and images © Illinois Department of Natural Resources. Aquatic Habitats © John Hilty none Woodland Habitats coniferous forests Prairie and Edge Habitats none © Illinois Department of Natural Resources. 2021. Biodiversity of Illinois. Unless otherwise noted, photos and images © Illinois Department of Natural Resources..

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Hwd”Rni -I I Southern Rest SO-296 Experimen?” Station July, 1963
c=.. United States I &=*$ Departmenlt of ‘$!j’!&’ Argriculture Forest Service hWD”rnI -I I Southern rest SO-296 Experimen?” Station July, 1963 Lightning Strike Simulation for Studying Southern Pine Bark and Engraver Beetle Attacks Mitchel C. Miller SUMMARY Endemic populations of the southern pine beetle is probably conservative; actual values could be (Dendroctonus frontalis Zimm.) and Ips spp. at- considerably higher. tacked loblolly pilnes (Pinus taeda L.) on which light- Lightning struck trees may attract SPB with a re- ning strikes were simulated with detonating cord lease of volatile oleoresin fractions from the shower in the field. Southern pine beetles were reared in of finely divided bark and needle particles (Taylor successive generations in these trees from fall 1981 1973, Lorio and Yandle 1978); struck trees offer a through spring 1982; only Ips spp. attacked treated favorable attack and brood development site for trees through December 1982. Lightning strike SPB and Ips spp. as a result of reduced oleoresin simulation provides an alternative means of studying exudation pressure, reduced oleoresin flow, re- bark beetle attack and opens the way for com- duced relative water content and increased reduc- parisons with nat;ural lightning strikes. ing-sugar content of inner bark (Hodges and Pickard Keywords: Lightning strike simulation, southern 1971). Anderson and Anderson (1968) associated pine beetle, Ips, Dendroctonus frontalis. successful attack by three Ips species on a light- ning struck loblolly pine with reduced oleoresin
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Overcoming Dormancy in Loblolly Pine (Pinus Taeda L.)
Reprinted from: Edwards, D.G.W., compiler and editor. 1993. "Dormancy and barriers to germination." Proc. Internal. Sympos. IUFRO Project Group P2.04-00 (Seed Problems). Victoria, British Columbia Canada ' April 23-26, 1991. Forestry Canada, Pacific Forestry Centre, Victoria, B.C. Overcoming dormancy in loblolly pine (Pinus taeda L.) F.T. BONNER AND C.A. HARRINGTON u.s. Department of Agriculture, Forest Service Southern Forest Experiment Station, Starkville, MS 39759, U.S.A. and Pacific Northwest Research Station, Olympia, WA 98502, U.S.A. Abstract Dormancy patterns in loblolly pine (Pinus taeda L.) were examined by comparing various parameters of germination rate. Both linear and polynomial models showed that mean germination time (MGT) was the most sensitive to chilling period. MGT was then used in a test of a new chilling technique that employed 24-h warm interruptions of chilling. This procedure produced faster rates of germination (lower MGT) in one group of 9 lots, but a second test with 15 lots yielded negative responses to any type of stratification. Resume Chez Ie pin a encens (Pinus taeda L.), les caracteristiques de la dormance ont ete examinees par comparaison de differents parametres du taux de germination. Des modeles lineaires comme polynomiaux ont montre que Ie temps moyen de germination etait Ie plus sensible a la periode d'entreposage en chambre froide. Cette duree moyenne a ensuite ete mise a profit dans l'essai d'une nouvelle technique d'entreposage en chambre froide qui comporte des interruptions de 24 h de rechauffement. Cette technique a accelere les taux de germination (temps moyen de germination raccourci) dans un groupe de 9 lots, mais lors d'un second essai sur 15 lots, a conduit a des resultats negatifs, peu importe Ie type de stratification.
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Introgression Between Pinus Taeda L. and Pinus Echinata Mill
Introgression between Pinus taeda L. and Pinus echinata Mill. Jiwang Chen 1, C. G. Tauer l , Guihua Bai1, and Yinghua Huang1 Key words: cpDNA; introgression; microsatellite; nuclear ribosomal DNA; loblolly pine; shortleaf pine INTRODUCTION Loblolly pine (Pinus taeda L.) and shortleaf pine (Pinus echinata Mill.) have widely overlapping geographic ranges. Hybridization between the two species has interested tree breeders for a long time. Morphologically, the two pine species are different. The needles of loblolly pine are 6 to 9 inches long, usually with three yellow-green needles per fascicle; but shortleaf pine needles are 3 to 5 inches long, with two or three dark yellow- green slender and flexible needles per fascicle. Loblolly pine also has larger cones than shortleaf, as well as other differences, however, these characters offer limited help when the genotypes of the parents and their probable hybrids are compounded by environmental factors The limitations of morphological characters resulted in the identification of the allozyme marker IDH (isocitrate dehydrogenase) to identify hybrids (Huneycutt and Askew, 1989). The high frequency of IDH variation seen in natural shortleaf pine populations outside the natural range of loblolly pine (Rajiv et al., 1997) suggests either profuse hybridization between the two species or that IDH is an unreliable marker. These data required us to look for new markers to confirm the identity of putative hybrids. A more extensive study (relative to the study of Rajiv et al., 1997), sampling a larger portion of shortleaf-loblolly pine sympatric population, was conducted to further explore the nature and extent of these hybrids in the native populations.
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Tfsbbstudy.Pdf
Introduction Results Pine bark beetles, including the mountain pine beetle (MPB), Table 1. Effects of abamectin (Aba) injection treatments on the success of Ips engraver beetle adult Trial 1: Evaluation of bolts collected from treated and untreated Dendroctonus ponderosae Hopkins, and southern pine beetle (SPB), D. attack, brood development, and success of cerambycid larvae in loblolly pine logs in Texas: 2008 - loblolly pine trees in 2008 - 2011 indicated that a similar number frontalis Zimmermann, are some of the more important forest pests in 2011. of Ips engraver beetles attacked the bolts regardless of treatment the United States (Billings et al. 2004) with local and regional outbreaks (Table 1). However, the success of the Ips in constructing galleries causing severe economic losses on a nearly annual basis. Other species (> 2.5 cm) or producing brood was significantly less for both of pine bark beetles, including the secondary pests Ips avulsus (Eichoff), injection treatments, regardless of season, compared to the I. grandicollis (Eichoff), and I. calligraphus (Germar), also are known to checks (Fig. 3). Similarly, the number of cerambycid egg niches cause significant tree mortality particularly during severe drought periods was similar for all treatments, but there were significantly less in the southeastern U.S (Wilkinson & Foltz 1982). The current abundance phloem consumed by larvae in the injected logs. of susceptible trees and forests underlines the need to develop new methods to protect individual trees from bark beetle attacks. Trial 2: Nearly all baited trees were heavily attacked by MPB within 3 weeks. A final assessment for the 2010 season was Protection of individual trees with conducted in September 2011 and showed heavy mortality (60%, insecticides has historically 18 of 30) of untreated lodgepole pine trees (Fig.
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Rhizopogon Togasawariana Sp. Nov., the First Report of Rhizopogon Associated with an Asian Species of Pseudotsuga
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