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| Web URL(s): | http://www.jstor.org/stable/view/4042192
Last checked: 05/08/2014
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http://www.jstor.org/stable/pdfplus/4042192.pdf
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| Publication Type:
| Refereed |
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| Author(s): | Selleck, G. W. |
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| Author Affiliation: | Reg. Manager, Agr. Market Develop., Monsanto Co., St. Louis, Missouri |
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| Title: | The antibiotic effects of plants in laboratory and field |
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| Source: | Weed Science. Vol. 20, No. 2, March 1972, p. 189-194. |
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| # of Pages: | 6 |
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| Related Web URL: | http://www.jstor.org/stable/info/4042192#abstract
Last checked: 05/08/2014
Notes: Abstract only |
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| Keywords: | TIC Keywords: Bromus inermis; Agropyron cristatum; Triticum; Seed germination; Euphorbia esula; Antennaria microphylla; Plant extracts; Plant growth regulators; Roots; Growth factors; Exudates; Root exudates
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| Abstract/Contents: | "In laboratory experiments, plant extracts of small everlasting (Antennaria microphylla Rydb.), field pussytoes (A. neglecta Greene), and leafy spurge (Euphorbia esula L.) were toxic to germinating seeds. Extracts of small everlasting inhibited vegetative development of leafy spurge, and soil taken from the immediate vicinity of roots inhibited germination and radicle elongation of germinating seeds of some species. Small everlasting competes vigorously with leafy spurge, and this competition cannot be attributed to morphology and growth habit. It suppressed vegetative growth of leafy spurge from rhizome sections in which the two species were competing in pots. In field experiments, this shallow-rooted, low-growing plant exhibited a marked inhibition on the growth of the vigorous, deep-rooted perennial, leafy spurge, as did the soil in which small everlasting had been growing. Antibiotic competition appears to be significant with the Antennaria spp., and the paucity of forbs in patches of leafy spurge, even when bare ground is visible between shoots, suggests that this species also exerts antibiotic effects on other plants. Allelopathy is probably a significant influence in interspacial relationships of species in most plant communities. A fuller knowledge of these relationships and their causes could lead to the utilization of this phenomenon in weed control." |
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| Language: | English |
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| References: | 17 |
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| Note: | Pictures, b/w
Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Selleck, G. W. 1972. The antibiotic effects of plants in laboratory and field. Weed Sci. 20(2):p. 189-194. |
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| Web URL(s):
http://www.jstor.org/stable/view/4042192
Last checked: 05/08/2014
Access conditions: Item is within a limited-access website
http://www.jstor.org/stable/pdfplus/4042192.pdf
Last checked: 05/08/2014
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
| 
MSU catalog number: SB 610 .W38 |
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