Minute Nursery Trees, a Break-Though for the Tropics?

A method for producing 'mini-trees' for commercial production in the nursery environment. The author discusses how the 'mini-trees' are produced, packing and transport, second-stage nursery and field establishment, the scope for mini-trees in the tropics, and a project proposal.

Grass in the Nursery?

A discussion about the use of grass in between rhododendron field plantings in the nursery environment for weed suppression, improved water drainage, and mud control. The types of grass covered include; perennial ryegrass, tall fescue, red fescue, hard fescue, chewings fescue, colonial bentgrass, kentucky bluegrass, and annual bluegrass.

Complementary, Field Plantings: Grass and Nursery Plants

Nursery Crops
The Oregon State University affiliated author examines the practice of complementary field plantings and the various benefits of the practice. A list is provided that includes multiple practical ideas for growers to incorporate into their operations for increased efficiency.

Three Major Foliar Pathogens of Poplar

Plant Disease
A discussion about the three major foliar pathogens of poplar trees identified in the Pacific Northwest; rust, Marssonina leaf spot, and shoot blight. The discussion includes descriptions of the pathogens, damage, life cycle, and controls for two of the pathogens mentioned.

One of Our Under-Utilized Insecticides - Horticultural Spray Oils

A discussion about the use of horticultural sprays and their effectiveness in controlling a wide variety of pests. The Oregon State University affiliated authors include the specifications for superior oils and the traditional caution statements.

Phenyl-IBA as a Root-Inducing Agent for the Propagation of Cuttings

Research was conducted on the effectiveness of using P-IBA as a rooting-inducing agent for the propagation of cuttings. Cuttings of two rhododendron cultivars, 'Ramapo' and 'Roseum elegans' were used in the experiments, the methods and results are discussed.

Programmed Plant Development

Post Harvest
The author discusses the programmed plant development of bare-root of deciduous trees and controlled environments to ensure plants goes though the required developmental stages post field removal in order to be acclimatized to new environments.

Timing of Fall Digging of Bareroot Deciduous Trees - Where are we in Solving the Problems?

Nursery Crops
The Oregon State University affiliated authors offer incites into the issues concerning the timing of fall digging of bareroot deciduous trees. The authors discuss key concepts involving vegetative maturity and related research conducted on the subject.

Douglas-Fir Needle Midge...Determining a Spray Schedule Through Use of a Midge Trap

Christmas Tree
Douglas-fir needle midges are discussed in regard to their impact on Christmas tree production. The topics specifically addressed are; midge descriptions, building emergence traps, chemical control, cultural control, physical control, and biological control.

Flatheaded Apple Tree Borer & Pacific Flatheaded Borer: Live Larvae - Dead Trees

A discussion about the flatheaded apple tree borer (Chrysobothris femorata Olivier) and the Pacific flatheaded borer (Chrysobothris mali Horn). The authors offer information concerning; physical descriptions, habits, life cycle, damage, and several control methods.