| |
Publication Type:
| Refereed |
Author(s): | Johnson, B. G.;
Buchholtz, K. P. |
Author Affiliation: | Johnson: Former Assistant Professor; Buchholtz: Professor, Agronomy, University of Wisconsin, Madison, Wisconsin |
Title: | The natural dormancy of vegetative buds on the rhizomes of quackgrass |
Source: | Weeds. Vol. 10, No. 1, January 1962, p. 53-57. |
Publishing Information: | Champaign, IL: Weed Science Society of America |
# of Pages: | 5 |
Keywords: | TIC Keywords: Dormancy; Buds; Elymus repens; Rhizomes; Perennial weeds; Seed production; Weed control; Rhizome growth; Shoot growth; Root growth
|
Abstract/Contents: | "Rhizomes were sampled from quackgrass sod weekly during two seasons. The activity of buds on one-bud sections from mature rhizomes was used to determine periods of growth and dormancy. The rhizome buds showed a steady decrease in activity from mid-April to June 1. During June, the buds were dormant. Recovery began in late June and continued the rest of the summer. Only one-third of all rhizome material in a three-year-old sod was viable. The amount of viable mature rhizomes decreased during the season while the viable new rhizomes increased, and the total viable level remained fairly constant. This suggested a definite cycle in rhizome production and decomposition from year to year and a short life-period in the soil. The term "late-spring dormancy" is suggested for quackgrass rhizomes, based on the prevailing cool and moist weather conditions and the late-spring time occurence during the year. This distinguishes the type of dormancy described from "summer dormancy"." |
Language: | English |
References: | 9 |
Note: | Pictures, b/w Tables Graphs |
| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete): Johnson, B. G., and K. P. Buchholtz. 1962. The natural dormancy of vegetative buds on the rhizomes of quackgrass. Weeds. 10(1):p. 53-57. |
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