Plant Tissue Cultures of Juniperus virginiana

The effect of Juniperus virginiana on plant species composition in an Oklahoma grassland

We established transects under twenty Juniperus virginiana trees that invaded an unburned central Oklahoma grassland within the last 20 years to determine their effects on plant species composition. Species richness and stem density increased as distance from the trunk increased. Stem density was also higher towards the south side of trees. Graminoid, forb and total cover were related to distan...

Podophyllotoxin Content in Leaves of Eastern Red Cedar (Juniperus virginiana)

Eastern red cedar (Juniperus virginiana L. Cupressaceae) occurs naturally throughout eastern North America and has been identified as a source of podophyllotoxin. Podophyllotoxin is used to manufacture drugs for treatment of cancer, rheumatoid arthritis, genital warts, psoriasis, and multiple sclerosis. Leaf material was collected from Juniperus plants located in northern Mississippi once a mon...

Inconclusive evidence of Juniperus virginiana recovery following sulfur pollution reductions.

Longevity of Plant Cells in Tissue Cultures.

slides over the barrel of the microscope and holds the cell flat against the ocular lens or the end of the lens barrel if the ocular lens is not used. All the light passing through the optical system of the microscope is intercepted by the cell. The camera speed is adjusted to fit the light intensity, or the light intensity is regulated by rheostat or diaphragm to conform with a desired film ve...

Topical wound-healing effects and phytochemical composition of heartwood essential oils of Juniperus virginiana L., Juniperus occidentalis Hook., and Juniperus ashei J. Buchholz.

Ethnobotanical surveys indicated that in the traditional medicines worldwide, several Juniperus species are utilized as antihelmintic, diuretic, stimulant, antiseptic, carminative, stomachic, antirheumatic, antifungal, and for wound healing. In the present study, essential oils obtained from heartwood samples of Juniperus virginiana L., Juniperus occidentalis Hook. and Juniperus ashei J. Buchho...