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- Title
Seed-bank characteristics in a group of tropical weeds.
- Authors
Marks, M. K.; Nwachuku, A. C.
- Abstract
The response of seeds of 15 common Nigerian weeds to a set of standard treatments was followed during a 15-month period of burial in the soil. Monthly records were made of changes in dormancy and ability to germinate in light and darkness. These data were interpreted in relation to the periods of natural field emergence. Several species underwent a decline in resistance to germination at certain times of the year which generally coincided with peaks of seedling emergence in the field. Other species either underwent physiological changes soon after burial and then maintained that state for the rest of the period of the experiment or underwent little change. The seeds of several species lost viability rapidly when buried, especially the composites; the seeds of two of them all died within 1 month of burial. The significance of the results in planning weed control programmes are discussed in relation to changing agricultural practice in West Africa.
- Subjects
SEEDS; WEED control; VEGETATION management; DORMANCY in plants; GERMINATION; AGRICULTURE
- Publication
Weed Research, 1986, Vol 26, Issue 3, p151
- ISSN
0043-1737
- Publication type
Article
- DOI
10.1111/j.1365-3180.1986.tb00690.x