spruce

Listing 11 - 20 from 333 for spruce

Weeping Spruce
... Weeping Spruce Brewer Spruce Weeping Spruce Picea breweriana This rare spruce is found in southwestern Oregon and northwestern California from 4000 to 7000 feet above sea ...
signsofdissent.com

Engelmann Spruce
... Engelmann Spruce Engelmann Spruce Picea engelmannii This tree grows to 150 feet and is found in the high mountain ...
signsofdissent.com More from this site

Fir, Pine or Spruce - Which Do I Have?
... the branches and branchlets. To tell spruce and fir trees apart, it helps to know that spruce needles appear square in cross- ... . Spruce needles can be blunt as in the white spruce, or sharply pointed as in the Colorado spruce. The needles on both spruce and ... one side as compared to the rounded appearance of spruce tree branchlets. Spruce needles are attached to small, stalk-like woody projections. ...
gardenline.usask.ca

White pine weevil (Pissodes strobi) biological performance is unaffected by the jasmonic acid or wound-induced defense response in Norway spruce (Picea abies)
... Pissodes strobi Peck) is a pest of several native pine and spruce species and of the introduced species, Norway spruce (Picea abies Karst). We evaluated the feeding activities, oviposition ... terpene synthase genes showed distinctive profiles in Norway spruce bark and needles following all treatments. Although the Norway spruce trees showed different physiological responses to mechanical wounding and ...
heronpublishing.com

Effects of ABA application on cessation of shoot elongation in long-day grown Norway spruce seedlings
... of shoot elongation in long-day grown Norway spruce seedlings Home Editors Contents Contribute Subscribe Contact Tree Physiology, 1: ... on cessation of shoot elongation in long-day grown Norway spruce seedlings Ola M. Heide Department of Botany, Agricultural University of ... (ABA) was applied in lanolin to apical buds of Norway spruce (Picea abies (L.) Karst.) seedlings actively growing in a 24 ...
heronpublishing.com More from this site

Cytospora Canker of Spruce, HYG-3033-96
... is frequently found on Norway spruce and Colorado blue spruce and its cultivars. White spruce is also susceptible and there are a few reports on Serbian spruce. In addition to the spruces ... of this disease. Avoid bark and stem injuries. Control insects and mites; especially spruce gall adelgids and spider mites. Fertilize according to horticulturists' recommendations. Water during extended ...
ohioline.osu.edu

Rhizosphaera Needlecast on Spruce, HYG-3059-96
... Columbus, OH 43210-1087 Rhizosphaera Needlecast on Spruce HYG-3059-96 Nancy J. Taylor Stephen T. Nameth Spruce, in particular, Colorado blue spruce, can be infected with a needlecast disease caused ... Purple needles in the interior of a spruce infected with Rhizosphaera. Figure 3. Purple needles of spruce infected with Rhizosphaera. Figure 4. Defoliation of spruce caused by Rhizosphaera. Figure 5. ...
ohioline.osu.edu More from this site

PLANTS Profile for Picea glauca (white spruce) | USDA PLANTS
... : Home / PLANTS Profile Printer-Friendly / Plug-Ins PLANTS Profile Picea glauca (Moench) Voss white spruce Symbol: PIGL Group: Gymnosperm Family: Pinaceae Growth Habit: Tree Duration: Perennial U.S. Nativity: ... – Family Pinaceae – Pine family Genus Picea A. Dietr. – spruce Species Picea glauca (Moench) Voss – white spruce Wetland Indicator Status: Picea glauca (Moench) Voss Nat. Ind. Reg. ...
plants.usda.gov

Trees of Reed: Brewers Spruce
... Trees of Reed: Brewers Spruce Western Larch Scientific Name: Larix occidentalis Family: Pinaceae Larix Occidentalis Western Larch A decidious conifer ...
web.reed.edu

Eastern Spruce Gall Adelgid
... Michigan State University Extension Ornamental Plants plus Version 3.0 - 00001756 11/12/99 Eastern Spruce Gall Adelgid The insect overwinters as a female. The female lays eggs near the base ...
web1.msue.msu.edu

These listings are filtered
View all for spruce