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| Web URL(s): | https://dl.sciencesocieties.org/publications/sssaj/pdfs/26/5/SS0260050456
Last checked: 11/11/2016
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| Publication Type:
| Refereed |
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| Author(s): | Guenzi, W. D.;
McCalla, T. M. |
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| Author Affiliation: | Guenzi: Chemist; McCalla: Research Microbiologist, Northern Plains Branch, Soil and Water Conservation Research Division, Agricultural Research Service, United States Department of Agriculture, Lincoln, Nebraska |
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| Title: | Inhibition of germination and seedling development by crop residues |
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| Column Name: | Division III - soil microbiology
Other records with the "Division III - soil microbiology" Column
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| Source: | Soil Science Society of America Proceedings. Vol. 26, No. 5, September/October 1962, p. 456-458. |
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| Publishing Information: | Madison, WI: Soil Science Society of America |
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| # of Pages: | 3 |
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| Keywords: | TIC Keywords: Autoclaving; Avena sativa; Bromus; Crop residues; Ethanol; Extraction; Germination inhibitors; Growth studies; Hay; Melilotus; Sorghum bicolor; Soybean meal; Straw; Triticum; Zea mays
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| Abstract/Contents: | "Wheat and oat straw, soybean and sweetclover hay, corn and sorghum stalks, bromegrass and sweetclover stems were extracted with hot and cold water, using 1 part of residue to 15 parts of water. One-half of the water extract of each residue was autoclaved for 1 hour at 20 pounds steam pressure. In addition, wheat straw was extracted with ethanol and the extract was separated into strong and weak acids, neutral, basic, and water-soluble compounds. The ethanol-soluble compounds were tested for their effect on wheat, whereas the hot and cold water extracts of residue were tested for their effect on germination and growth of wheat, sorghum, and corn seeds. All the residues contained water-soluble substances that inhibited the germination and growth of sorghum, corn, and wheat. The cold water extracted more toxic materials than did the hot water. Autoclaving increased the toxic effect of the water extract of residues on root growth. The toxic effect on germination and shoot growth was decreased for most residues by autoclaving of aqueous extract. Ethanol-soluble substances of wheat straw inhibited the germination and growth of wheat seeds. The ethanol extract of wheat straw, separated into strong acid, water soluble, neutral, weak acid, and basic compounds, showed decreasing toxicity in the order listed." |
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| Language: | English |
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| References: | 15 |
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| Note: | Partial reprint appears in The Golf Course Reporter, 31(2) February 1963 p. 59 with variant title "Seedling mulches may be harmful"
Pictures, b/w
Tables |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Guenzi, W. D., and T. M. McCalla. 1962. Inhibition of germination and seedling development by crop residues. Soil Sci. Soc. Am. J. 26(5):p. 456-458. |
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| Web URL(s):
https://dl.sciencesocieties.org/publications/sssaj/pdfs/26/5/SS0260050456
Last checked: 11/11/2016
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Access conditions: Item is within a limited-access website |
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MSU catalog number: S 590 .S65 |
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