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  • 1
    Electronic Resource
    Electronic Resource
    Simultaneous determination of 2,6-dichlorobenzonitrile and 2,6-dichlorobenzamide in aqueous samples by a direct high-performance liquid chromatographic method (1984)
    s.l. : American Chemical Society
    Journal of agricultural and food chemistry 32 (1984), S. 200-202 
    Details
    ISSN: 1520-5118
    Source: ACS Legacy Archives
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/jf00122a007
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  • 2
    Electronic Resource
    Electronic Resource
    Preparation and evaluation of controlled-release formulations of 2,6-dichlorobenzonitrile (1984)
    s.l. : American Chemical Society
    Journal of agricultural and food chemistry 32 (1984), S. 1199-1205 
    Details
    ISSN: 1520-5118
    Source: ACS Legacy Archives
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/jf00125a067
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  • 3
    Electronic Resource
    Electronic Resource
    Preparation, isolation, and high-performance liquid chromatographic separation of diastereomers of a strigol analog (1981)
    s.l. : American Chemical Society
    Journal of agricultural and food chemistry 29 (1981), S. 984-986 
    Details
    ISSN: 1520-5118
    Source: ACS Legacy Archives
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/jf00107a024
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  • 4
    Electronic Resource
    Electronic Resource
    Determination of 2,4-(dichlorophenoxy)acetic acid and of dichlobenil in water by high-performance liquid chromatography (1982)
    s.l. : American Chemical Society
    Journal of agricultural and food chemistry 30 (1982), S. 258-260 
    Details
    ISSN: 1520-5118
    Source: ACS Legacy Archives
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/jf00110a010
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  • 5
    Electronic Resource
    Electronic Resource
    Identification and bioactivity of volatile allelochemicals from amaranth residues (1989)
    s.l. : American Chemical Society
    Journal of agricultural and food chemistry 37 (1989), S. 792-796 
    Details
    ISSN: 1520-5118
    Source: ACS Legacy Archives
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/jf00087a049
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  • 6
    Electronic Resource
    Electronic Resource
    Seed-germination inhibition by volatile alcohols and other compounds associated withAmaranthus palmeri residues (1988)
    Springer
    Journal of chemical ecology 14 (1988), S. 1633-1648 
    Details
    ISSN: 1573-1561
    Keywords: Allelopathy ; volatile allelochemicals ; alcohols ; aldehydes ; germination inhibitors ; onion ; Allium cepa ; carrots ; Daucus carota ; Palmer amaranth ; Amaranthus palmeri ; tomato ; Lycopersicon esculentum
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Effects of 3-pentanone and eight low molecular weight aliphatic alcohols and aldehydes identifed in the mixtures of volatiles released byAmaranthus palmeri S. Wats. (AMAPA) residues were determined on germination of onion, carrot, AMAPA, and tomato seeds. Three-day exposures to these volatiles significantly inhibited germination of these assay seeds, and the inhibition was dependent upon exposure time and concentration. Based on the degree of inhibition observed in both time- and concentration-dependent assays, the following activity series was obtained: 2-heptanol 〉 3-methyl-1-butanol, 1-hexanol 〉 hexanal, 1-pentanol, 3-pentanone, acetaldehyde 〉 ethanol, 2-methyl-1-propanol. The activities of this group of compounds with that of 2-heptanone appear to be additive and related to test compound volatility and hydrophilicity. 2-Heptanol and 2-heptanone also significantly inhibited the germination of other species, including shepherdspurse, soybean, lettuce, alfalfa, common purslane, oats, and lovegrass.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01012528
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  • 7
    Electronic Resource
    Electronic Resource
    Allelochemicals from palmer amaranth,Amaranthus palmeri S. Wats (1987)
    Springer
    Journal of chemical ecology 13 (1987), S. 185-202 
    Details
    ISSN: 1573-1561
    Keywords: Allelopathy ; seed germination ; Amaranthus palmeri ; Allium cepa ; Daucus carota ; Lycopersicon esculentum ; onion ; carrot ; tomato ; volatiles ; aqueous extracts ; weed residues
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract The presence of Palmer amaranth (AMAPA) residues in the soil reduced fresh weight accumulation in onions and carrots and markedly decreased seedling field establishment of carrots. Solid-phase separation techniques were used to isolate fractions containing water-soluble organic compounds from AMAPA residues and soil amended with such residues. At concentrations of 20–100 mg/liter most of the organic solids thus extracted were inactive in seed germination assays using onion, carrot, AMAPA, and tomato seeds. Extracts from the roots of AMAPA increased 72-hr germination percentages in carrot, AMAPA, and tomato. A time-study of AMAPA residue decomposition in soil showed an increase in extractable inhibitors of onion germination after 62 days but no other significant changes in the activity. The most active allelochemicals from AMAPA proved to be volatile compounds. Volatiles emitted by soil containing AMAPA residues and by the dried and partially rehydrated leaf and flower residues themselves reduced carrot and tomato seed germination to less than 7%. Freshly harvested aerial AMAPA inhibited only carrot seed. Germination of AMAPA and carrot seeds was retarded by exposure to volatiles from dried AMAPA residues. Residues from AMAPA grown in Texas and Louisiana exhibited comparable inhibitory activity after air-drying two weeks. Onion seeds were also inhibited by volatiles from AMAPA residues.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01020362
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  • 8
    Electronic Resource
    Electronic Resource
    Volatile methyl ketone seed-germination inhibitors fromAmaranthus palmeri S. Wats. Residues (1988)
    Springer
    Journal of chemical ecology 14 (1988), S. 1617-1631 
    Details
    ISSN: 1573-1561
    Keywords: Allelopathy ; volatile allelochemicals ; methyl ketones ; germination inhibitors ; onion ; Allium cepa ; carrot ; Daucus carota ; Palmer amaranth ; Amaranthus palmeri ; tomato ; Lycopersicon esculentum
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract The effects of nine methyl ketones previously identified in the mixture of volatiles released byAmaranthus palmeri (AMAPA) residues upon onion, carrot, AMAPA, and tomato seed germination were determined. Three-day exposures to these volatiles significantly inhibited germination of all assay seeds, and the degree of inhibition was dependent upon seed species, exposure time, and concentration. Based on the degree of inhibition observed in both time- and concentration-dependent assays, the following activity series was obtained: 2-octanone, 2-nonanone 〉 2-undecanone 〉 2-heptanone 〉 2-hexanone, 3-methyl-2-butanone, 2-pentanone, 3-hydroxy-2-butanone 〉 2-butanone. The activities of these compounds appear to be additive and dependent on relative volatility and hydrophilicity.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01012527
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  • 9
    Electronic Resource
    Electronic Resource
    Comparison of the seed germination effects of synthetic analogs of strigol, gibberellic acid, cytokinins, and other plant growth regulators (1988)
    Springer
    Journal of plant growth regulation 7 (1988), S. 227-239 
    Details
    ISSN: 1435-8107
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract Four synthetic multiring analogs of strigol, a naturally occurring sesquiterpene lactone that promotes germination of dormant seeds ofStriga (witchweed), were found to stimulate germination of dormantLactuca (lettuce) seeds. The effects on light-sensitive and light-insensitive lettuce seeds were concentration-dependent and exceeded those produced by equimolar (0.1 mM) solutions of gibberellic acid. Strigol and epistrigol promoted lettuce seed germination to a lesser degree than did the synthetic analogs. The strigol group compounds had minimal effect on the germination of monocot seeds. The results indicate that the synthetic strigol analogs have plant growth regulatory activity in dormant seeds of genera beyondStriga in which germination stimulation by strigol and the synthetic analogs was first demonstrated.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02025265
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  • 10
    Electronic Resource
    Electronic Resource
    Controlled release of the herbicides 2,4-D and dichlobenil from alginate gels (1982)
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Applied Polymer Science 27 (1982), S. 3341-3348 
    Details
    ISSN: 0021-8995
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: The herbicides 2,4-D[(2,4-dichlorophenoxy)acetic acid] and dichlobenil (2,6-dichlorobenzonitrile) were individually incorporated into 1.6-2.8-mm alginate gel beads by using calcium chloride and barium chloride as gellants. The release rate of each herbicide from the beads into water was greatly influenced by drying and the choice of gellant cation. Slowest release was obtained with dried samples that were gelled with barium chloride. At the slowest rates, release of 2,4-D was complete in 14 days, while only 59% of the less-soluble dichlobenil was released in 150 days.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/app.1982.070270912
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