Aspen Bibliography

The Effect of Soil Temperature and Light on Sprouting and Rooting of Root Cuttings of Hybrid Aspen Clones

Document Type

Article

Journal/Book Title/Conference

Canadian Journal of Forest Research

Volume

35

Issue

11

Publisher

NRC Research Press

First Page

2671

Last Page

2678

Publication Date

11-16-2005

Abstract

Root cuttings from five clones of hybrid aspen (Populus tremula L. × Populus tremuloides Michx.) obtained from 2-year-old stock plants were grown in a peatsand mixture (soil) at four soil temperatures (18, 22, 26, and 30 °C). Half of the cuttings were grown in light and the rest in darkness. The root cuttings that were grown at the highest soil temperature sprouted and rooted significantly better than the cuttings grown at the lower temperatures. Light did not affect the sprouting of root cuttings but did have a negative effect on their rooting. Moreover, the clones varied significantly in sprouting and rooting percentages, as well as in the time required for sprouting. In general, higher soil temperatures hastened sprouting of the cuttings. Sprouting was also faster in the light than in the dark treatment. Differences in soil temperature, light conditions, or clone had no significant effect on rooting time.

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