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Articles 1 - 4 of 4
Full-Text Articles in Life Sciences
Penstemon In Your Garden, R. D. Uhlinger, G. Viehmeyer
Penstemon In Your Garden, R. D. Uhlinger, G. Viehmeyer
Nebraska Agricultural Experiment Station: Historical Circulars
A new race of hardy perennials is beginning to appear in American gardens. These are the penstemons, a genus of plants closely related to the familiar snapdragon, which may become important ornamentals as they be come better known to gardeners. The purpose of this bulletin is to show the possibility of the genus as an ornamental and to suggest species and species hybrids of possible value to Great Plains gardeners; to provide information about propagation and culture; and to encourage gardeners to engage in penstemon breeding as an avocation.
Penstemon In Your Garden [Revised], Roger D. Uhlinger, Glenn Viehmeyer
Penstemon In Your Garden [Revised], Roger D. Uhlinger, Glenn Viehmeyer
Department of Agronomy and Horticulture: Faculty Publications
The Genus Penstemon
Penstemon Breeding: Emasculation • Pollen Collection • Pollination • Keeping Records
Selection of ParentaI MateriaIs
Species Crosses
Breeding Behavior
Sources of Breeding Material
Penstemon Propagation: Propagation by Seed • Propagation by Division and Layering • Propagation by Cuttings • Tip Cuttings • Single Node and Single Eye Cuttings • Striking the Cuttings • Rooting Mediums • Setting the Cuttings
Penstemon Diseases : Leaf Diseases • Soil Borne Diseases • Virus Diseases
Insects that Affect Penstemon: Aphids • Cutworms • False Plant Bug • Flea Beetle • Grasshoppers • Leaf hoppers • Slugs • Red Spider Mites • …
Life History Studies As Related To Weed Control In The Northeast; 6: Large And Small Crabgrass, R.A. Peters, Stuart Dunn
Life History Studies As Related To Weed Control In The Northeast; 6: Large And Small Crabgrass, R.A. Peters, Stuart Dunn
Storrs Agricultural Experiment Station
No abstract provided.
Cause And Control Of A Common Market Disease Of Lettuce, William Palmore
Cause And Control Of A Common Market Disease Of Lettuce, William Palmore
Masters Theses & Specialist Projects
Head lettuce, Lactuta sativa var. capitata, is susceptible to a number of economically important diseases, the most frequent being russet spot, rib discoloration, and vascular browning (28), which have been shown by Ceponis and Friedman (7) to be caused by Pseudomonas marginalis. Pseudomonads are common plant pathogens and cause such diseases as halo blight in beans (20), bacterial blight in soybeans (20), and bacterial wilt of the bird-of-paradise (27) and tobacco (24).
Plants that develop symptoms similar to russet of lettuce are oats, infected by Pseudomonas cichorii, and tobacco infected with Pseudomonas tobaci (34). In general, russet symptoms …