Root growth potential, water relations and carbohydrate status of ash alternative species following pre-plant storage
| Autor: | Bert M. Cregg, Robert E. Schutzki, Dana Ellison, Pascal Nzokou |
|---|---|
| Rok vydání: | 2016 |
| Předmět: |
0106 biological sciences
010504 meteorology & atmospheric sciences Ecology biology Soil Science Cold storage Quercus ellipsoidalis Forestry biology.organism_classification Fraxinus 010603 evolutionary biology 01 natural sciences Taxodium Quercus bicolor Horticulture Emerald ash borer Celtis Botany Shoot 0105 earth and related environmental sciences |
| Zdroj: | Urban Forestry & Urban Greening. 18:59-64 |
| ISSN: | 1618-8667 |
| DOI: | 10.1016/j.ufug.2016.05.001 |
| Popis: | The catastrophic loss of ash (Fraxinus spp.) trees in the midwestern United States due to emerald ash borer has emphasized the need for greater diversity in urban and community forests. However, the availability of some important Fraxinus alternative species may be limited due to difficulties in nursery production. We conducted two trials to examine growth and physiological responses of bare-root tree liners to pre-plant storage and handling. In both trials, bare-root liners were given one of four treatments for three weeks prior to planting: 1) control, 2) cold storage (4 °C), 3) sweating (warm, moist storage), or 4) heeled-in (outdoor storage). Subjecting trees to a warm, moist environment before planting (sweating) increased shoot dieback of Celtic occidentalis trees. Root growth potential was very low for Quercus spp. trees and varied by treatment for Celtis occidentalis trees. Taxodium distichum trees had a relatively high root growth potential in all treatments. Stem water potential measured immediately before and after pre-plant treatments indicated that Quercus spp. trees and T. distichum trees were able to rehydrate during sweating while water stress in C. occidentalis trees remained high (stem water potential |
| Databáze: | OpenAIRE |
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