Helping Plants Survive the Cold

Plant stress

A discussion about cold hardiness and effective plant protection strategies to minimize cold damage. The Oregon State University affiliated author addresses how plants become cold hardy, stages of hardiness, and effective protection.

Bud Necrosis of Green Ash Nursery Trees is Influenced by Nitrogen Availablity and Fertilizer Type

Nursery Crops
The objectives of this study were to determine whether bud necrosis in green ash was associated with tree N status, and whether green ash trees containing the same amount of N from different types of fertilizer exhibited similar amounts of bud necrosis.

Inoculation with Ericoid Mycorrhizal Fungi Alters Fertilizer Use of Highbush Blueberry Cultivars

Fertilizer
This study investigates the potential role EMF plays in container-grown blueberry production. Specifically, it was determined whether growth and nutrition of highbush blueberry is influenced by inoculation with various EMF isolates, and whether the response to EMF is altered by the type of fertilizer used.

Root Damage Affects Nitrogen Uptake and Growth of Young Fuji/M.26 Apple Trees

Nursery Crops
Research was conducted with the intent of evaluating the effect of different levels of root damage at planting on nitrogen uptake and growth of bench-grafted young apple (Malus domestica Borkh 'Fuji'/M.26) nursery trees.

Modification of Root IAA Concentrations, Tree Growth, and Survival by Application of Plant Growth Regulating Substances to Container-grown Conifers

Nursery Crops
Field trials were conducted to assess the potential to modify the IAA concentration in roots, root growth responses, and plant survival by root application of plant growth regulators (PGRs) such as IBA, NAA, and ethylene, or alginate, a moisture retention material.

Influence of Ectomycorrhizal Fungal Inoculation on Growth and Root IAA Concentrations of Transplanted Conifers

Nursery Crops
USDA-ARS affiliated researchers tested the hypothesis that: (1) IAA concentration of mycorrhizal conifer roots is influenced by the in vitro (IAA and ethylene) production capacity of their associated ectomycorrhizal fungi; and (2) increased concentrations of root IAA cause an increase in root growth resulting in improved seedling growth and survival.

N Uptake, Soil Retention and Loss of Soil-Applied 15NH4 15NO3 in Young Fuji/M.26 Apple Trees with Different N Status

Nursery Crops
The purpose of research conducted on young apple (Malus domestica Borkh) trees was to determine the fate of soil applied nitrogen to young apple trees and the influence of tree nitrogen status on nitrogen uptake by young apple trees.

Peonies - Potential Forcing Crop

Greenhouse Crops
The University of California, Davis author examines the potential of forcing peonies as a greenhouse crop. The author provides background information on peonies along with the results and implications of the experiments conducted on the forcing potential of greenhouse grown peonies.

Container Spacing Strategies Modify Media Temperature and Plant Growth

Nursery Crops
Research was conducted to determine container spacing strategies to reduce the effects of media temperature increases. The study was completed at a nursery in Florida using Ilex crenata `Helleri'. The authors discuss the results and offer incites into potential spacing strategies.

Cold Injury in the Landscape: Georgia, 1983-1984

Plant Stress
An especially cold winter caused serious freeze damage to landscape plants in Georgia. Broadleaf species experienced the most observed freeze damage. The University of Georgia Department of Horticulture affiliated authors include a through list of landscape plants and associated freeze damage.

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