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- Title
Growth of seedling Achillea millefolium L. (yarrow) in association with pea (Pisum sativum L.).
- Authors
Kannangara, H. W.; Field, R. J.
- Abstract
When <em>Achillea millefolium</em> L. (yarrow) seedlings were grown in the field in association with a pea (<em>Pisum sativum</em> L.) crop vegetative growth of yarrow was significantly reduced by 6 weeks after emergence. Flowering was totally suppressed while the pure stand of yarrow developed flower clusters at 13 weeks after seedling emergence. Rhizome development occurred at 8 weeks after seedling emergence in the pure stand, but not until 15 weeks when grown with pea. The early suppression of seedling yarrow in a glasshouse experiment was associated with root interference, although by 5 weeks shoot interference by pea plants was important in reducing yarrow growth. The greatest suppression of yarrow occurred when both roots and shoots of the two species were allowed to interfere, Yarrow had low aggressivity against pea when grown in various combinations in a replacement series experiment in the glasshouse.
- Subjects
SEEDLINGS; COMMON yarrow; PEAS; YARROW; PLANT growth-promoting rhizobacteria; PLANT growth
- Publication
Weed Research, 1985, Vol 25, Issue 5, p355
- ISSN
0043-1737
- Publication type
Article
- DOI
10.1111/j.1365-3180.1985.tb00656.x